Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 07:25

General

  • Target

    JaffaCakes118_786b98bcff876f951273fed95487eb00.exe

  • Size

    818KB

  • MD5

    786b98bcff876f951273fed95487eb00

  • SHA1

    cb93b11234aa9ac2d2b6bf6a40dadb59c435f448

  • SHA256

    78461eb689a9ffe0edb5b3481cbd5f90c7418a2472be81b886563973314a4654

  • SHA512

    95f6c959f3fe51f234d315d749d1cc4cafb4ba027638c72b6a75a7de3339d5484a77d6244ca38fc8f958ef331093a76cd92ab54f1088354cd905e87e51909e82

  • SSDEEP

    24576:BK4U9Ot+ogFV7gxzq6SOEo9no4DtLIBbl+z2kT:o4Uw+LF9gJL+om61j

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

ghost1997.no-ip.biz:1337

Mutex

DC_MUTEX-AZZ26SG

Attributes
  • gencode

    v1pe6tD2bNTU

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Windows security bypass 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3896
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2196 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3300
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe
      2⤵
      • Windows security bypass
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1404
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:3668
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1412
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:328
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    8fad2e07a4c7a80a9b50d87e76420c29

    SHA1

    7faa7310d52e1b97b5f7597dda3fa439f4ec04d8

    SHA256

    be210b4b624d55d076fdc5b6d9f6b98acb116c646e43c56e52790d910bca942d

    SHA512

    459a02e6817f3ba0a1edc2590a266a772127f39f651c9a5ee1170fbaefedeadff6a6ff948f97ed09670413dabe611c2c34e00e7600b4ff501455c35776da7895

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    d55488edf5f3a0f45afd90f180432554

    SHA1

    c5c788e7301f939b9c3c77e36433e4d3df8ed4c7

    SHA256

    3c33037bddbfe2f1c8553c29060751c21f1e676ae6ad2c277b58a7a2bc5dbac5

    SHA512

    b02cc2de126e1847679db735de740d79e586f08f118c228227a59c0fc286efdfdf3d6acb28e6ec842944c9b2f87df9b474d8e2d58faa1e27659efef05099ae78

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_786b98bcff876f951273fed95487eb00.exe

    Filesize

    818KB

    MD5

    786b98bcff876f951273fed95487eb00

    SHA1

    cb93b11234aa9ac2d2b6bf6a40dadb59c435f448

    SHA256

    78461eb689a9ffe0edb5b3481cbd5f90c7418a2472be81b886563973314a4654

    SHA512

    95f6c959f3fe51f234d315d749d1cc4cafb4ba027638c72b6a75a7de3339d5484a77d6244ca38fc8f958ef331093a76cd92ab54f1088354cd905e87e51909e82

  • memory/2196-6-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-19-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-30-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-13-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-15-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-51-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-17-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-18-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-50-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-20-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-9-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-11-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-31-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-32-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-33-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-49-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-44-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-45-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-46-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-47-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2200-48-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2292-14-0x0000000000E10000-0x0000000000E11000-memory.dmp

    Filesize

    4KB

  • memory/5072-1-0x0000000002220000-0x0000000002224000-memory.dmp

    Filesize

    16KB

  • memory/5072-0-0x0000000002210000-0x0000000002211000-memory.dmp

    Filesize

    4KB