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ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213)

ServHelper is a backdoor first observed in late 2018. The backdoor is written in Delphi and is typically delivered as a DLL file.(Citation: Proofpoint TA505 Jan 2019)

Cluster A Galaxy A Cluster B Galaxy B Level
System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern 1
Remote Desktop Protocol - T1021.001 (eb062747-2193-45de-8fa2-e62549c37ddf) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
Account Manipulation - T1098 (a10641f4-87b4-45a3-a906-92a149cb2c27) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5) Attack Pattern 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 1
Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern 1
ServHelper - S0382 (aae22730-e571-4d17-b037-65f2a3e26213) Malware Local Account - T1136.001 (635cbe30-392d-4e27-978e-66774357c762) Attack Pattern 1
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf) Attack Pattern 2
Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern 2
Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118) Attack Pattern Asymmetric Cryptography - T1573.002 (bf176076-b789-408e-8cba-7275e81c0ada) Attack Pattern 2
Remote Desktop Protocol - T1021.001 (eb062747-2193-45de-8fa2-e62549c37ddf) Attack Pattern Remote Services - T1021 (54a649ff-439a-41a4-9856-8d144a2551ba) Attack Pattern 2
Rundll32 - T1218.011 (045d0922-2310-4e60-b5e4-3302302cb3c5) Attack Pattern System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4) Attack Pattern 2
PowerShell - T1059.001 (970a3432-3237-47ad-bcca-7d8cbb217736) Attack Pattern Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern 2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 2
Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern 2
Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern Scheduled Task/Job - T1053 (35dd844a-b219-4e2b-a6bb-efa9a75995a9) Attack Pattern 2
Create Account - T1136 (e01be9c5-e763-4caf-aeb7-000b416aef67) Attack Pattern Local Account - T1136.001 (635cbe30-392d-4e27-978e-66774357c762) Attack Pattern 2