General

  • Target

    c90c0230b4abada1a1c1d86ee3e15fa885436ccd201b8fba78a02d25c3009706

  • Size

    2.6MB

  • Sample

    240619-e5771syclr

  • MD5

    686cbc6ce208dddf910684b403208b03

  • SHA1

    5ae33ce85a66600ec839d1c04982bd8eb173b922

  • SHA256

    c90c0230b4abada1a1c1d86ee3e15fa885436ccd201b8fba78a02d25c3009706

  • SHA512

    8a9752c8ca1966ce4af793256566e6b71a69130ddb3deb8e9d373b03bdb45b5eb199969cc00c640499c20d80b5b062b3bf7313c5c0987ff2c9f7bf22b62ed3c9

  • SSDEEP

    24576:iCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHb:iCwsbCANnKXferL7Vwe/Gg0P+Whetl

Malware Config

Targets

    • Target

      c90c0230b4abada1a1c1d86ee3e15fa885436ccd201b8fba78a02d25c3009706

    • Size

      2.6MB

    • MD5

      686cbc6ce208dddf910684b403208b03

    • SHA1

      5ae33ce85a66600ec839d1c04982bd8eb173b922

    • SHA256

      c90c0230b4abada1a1c1d86ee3e15fa885436ccd201b8fba78a02d25c3009706

    • SHA512

      8a9752c8ca1966ce4af793256566e6b71a69130ddb3deb8e9d373b03bdb45b5eb199969cc00c640499c20d80b5b062b3bf7313c5c0987ff2c9f7bf22b62ed3c9

    • SSDEEP

      24576:iCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHb:iCwsbCANnKXferL7Vwe/Gg0P+Whetl

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • Drops file in Drivers directory

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Tasks