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Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 12:15

General

  • Target

    JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe

  • Size

    375KB

  • MD5

    6505821479e7f5d59cfae03777cd35c1

  • SHA1

    70a20cc77a147c62ac0d12c698aae6bb7e3e6f9d

  • SHA256

    65bc3003f3f0a776f2bdcd73bff6cd07bd669dc58b73c83ef2bd10ea6520c3f1

  • SHA512

    74fc6aab3a459c32b6748f0eaa8ff5a309c9cbdc0c454ef4031c338fc69daa4b3b8517b2e5858a30181b0c2f02436c3a28dbc4138dade20ed39490fa49dc8709

  • SSDEEP

    6144:agXUwvcgKxfirHG3tDBXDM5Y9Qd6Ud9oqk/fPQ8PUBObn+xc85f86UCzac:rkwvcaK3o5Y9Qkq+/X/xzYK/

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6505821479e7f5d59cfae03777cd35c1.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:2556
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\201015_162226767166364_100001371263702_310702_3428106_O.JPG

    Filesize

    123KB

    MD5

    72af90b7e4e5da6bbbf2a6d09c494d29

    SHA1

    d1e971c5793152898441ce4898c94560c1a40196

    SHA256

    1a65228e67e279634777afba1aa099e17921bb052a0377421d7b6df542cace77

    SHA512

    3987abe99d1f3a54b76e012fbfaa699ddcc9353478a79073149680001085d53f66ee3584ddddc1b88849add62b213add053ad889e105d522550a4fca29bd0636

  • \Windupdt\winupdate.exe

    Filesize

    375KB

    MD5

    6505821479e7f5d59cfae03777cd35c1

    SHA1

    70a20cc77a147c62ac0d12c698aae6bb7e3e6f9d

    SHA256

    65bc3003f3f0a776f2bdcd73bff6cd07bd669dc58b73c83ef2bd10ea6520c3f1

    SHA512

    74fc6aab3a459c32b6748f0eaa8ff5a309c9cbdc0c454ef4031c338fc69daa4b3b8517b2e5858a30181b0c2f02436c3a28dbc4138dade20ed39490fa49dc8709

  • memory/2124-12-0x0000000003490000-0x0000000003573000-memory.dmp

    Filesize

    908KB

  • memory/2124-1-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2124-5-0x0000000003B40000-0x0000000003B42000-memory.dmp

    Filesize

    8KB

  • memory/2124-0-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2124-16-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-26-0x0000000000260000-0x0000000000343000-memory.dmp

    Filesize

    908KB

  • memory/2556-30-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-22-0x0000000000260000-0x0000000000343000-memory.dmp

    Filesize

    908KB

  • memory/2556-21-0x0000000000260000-0x0000000000343000-memory.dmp

    Filesize

    908KB

  • memory/2556-41-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-24-0x0000000000260000-0x0000000000343000-memory.dmp

    Filesize

    908KB

  • memory/2556-25-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-40-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-27-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-28-0x0000000000260000-0x0000000000343000-memory.dmp

    Filesize

    908KB

  • memory/2556-29-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-39-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-31-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-32-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-33-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-34-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-35-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-36-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-37-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2556-38-0x0000000000400000-0x00000000004E3000-memory.dmp

    Filesize

    908KB

  • memory/2752-7-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2752-6-0x00000000001A0000-0x00000000001A2000-memory.dmp

    Filesize

    8KB

  • memory/2752-23-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB