Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 16:53

General

  • Target

    JaffaCakes118_6e0fbeb3024f048d4af3c94ea6e01570.exe

  • Size

    1013KB

  • MD5

    6e0fbeb3024f048d4af3c94ea6e01570

  • SHA1

    875d112d7d0d998ac0e02dac63308a51daacca5d

  • SHA256

    540614de632096048ee54364395b33ac0dc2043d73a19e5cbfc66c0da85cb276

  • SHA512

    87cd3ad011076ec4f3e6308b1bbfca7c5a21b662a3b16e766cb91c227f624fcf8258c403fa790c7bd39aec0733fdd7fdcf68fcc821be73d5fab4867479c0fb01

  • SSDEEP

    24576:64+HowUbJRS1/asWRMar5fHQ4VNQT3F9qVesoLl:64+Iw1eRLhjYbDqVRoR

Malware Config

Extracted

Family

darkcomet

Botnet

HaCkEd

C2

spyhacker.zapto.org:3070

Mutex

DC_MUTEX-D8DFF0W

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ZCLBnAz03c07

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

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

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e0fbeb3024f048d4af3c94ea6e01570.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e0fbeb3024f048d4af3c94ea6e01570.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ztmp\t21267.bat" "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e0fbeb3024f048d4af3c94ea6e01570.exe" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Users\Admin\AppData\Local\Temp\afolder\2.exe
        2.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Users\Admin\AppData\Local\Temp\afolder\2.exe
          "C:\Users\Admin\AppData\Local\Temp\afolder\2.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2744
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\afolder\2.exe" +s +h
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1396
            • C:\Windows\SysWOW64\attrib.exe
              attrib "C:\Users\Admin\AppData\Local\Temp\afolder\2.exe" +s +h
              6⤵
              • Sets file to hidden
              • System Location Discovery: System Language Discovery
              • Views/modifies file attributes
              PID:2120
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\afolder" +s +h
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2444
            • C:\Windows\SysWOW64\attrib.exe
              attrib "C:\Users\Admin\AppData\Local\Temp\afolder" +s +h
              6⤵
              • Sets file to hidden
              • System Location Discovery: System Language Discovery
              • Views/modifies file attributes
              PID:2352
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2900
          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2224
            • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
              "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
              6⤵
              • Modifies security service
              • Windows security bypass
              • Executes dropped EXE
              • Windows security modification
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • System policy modification
              PID:2916
              • C:\Windows\SysWOW64\notepad.exe
                notepad
                7⤵
                • System Location Discovery: System Language Discovery
                PID:532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ztmp\t21267.bat

    Filesize

    205B

    MD5

    326536ee271c43cd89010b205fe9dd22

    SHA1

    a423ab06c21e168f77c9d4e575282eeacbfc755d

    SHA256

    947015bf98593487f36204f79350251f70f0e88285dd01b6e02dca48630efec0

    SHA512

    e38de2d655e450179248dc9b97303e15a91a11a18b4d2704153ac713c205ae923a4962135371324ba54575bb9b09791ec9a8135424a6f91c565d055f5c55b359

  • \Users\Admin\AppData\Local\Temp\afolder\2.exe

    Filesize

    952KB

    MD5

    ec8975dd5daea4db3f8424efa79c349c

    SHA1

    6dc1a6270441da7c66fe10af5f7c7e2cac0fbbdd

    SHA256

    0e75cd9e4d50077a65dadd05183af11f4c753ef0addf45fef58b58e0642de574

    SHA512

    ecb0984eea29afbe5dbcdba940b051afe3ca7e67cb0364c1b6b49e9e0f4a392d1cd276f61ac04e2f2966d7fa3af8a41116b8b8c316d3629614043085f97cb459

  • memory/2224-106-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2656-19-0x0000000000270000-0x000000000032E000-memory.dmp

    Filesize

    760KB

  • memory/2656-50-0x0000000000270000-0x000000000032E000-memory.dmp

    Filesize

    760KB

  • memory/2744-40-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-26-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-38-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-36-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-34-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-32-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-45-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-152-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-47-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-46-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2744-84-0x00000000041A0000-0x000000000425E000-memory.dmp

    Filesize

    760KB

  • memory/2776-22-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2776-44-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/2900-52-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2900-80-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB