Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2025, 10:00

General

  • Target

    JaffaCakes118_c24b23d3c854fceb5e4af9d151ffe7fc.exe

  • Size

    7.3MB

  • MD5

    c24b23d3c854fceb5e4af9d151ffe7fc

  • SHA1

    90419748e89d38f964db9e8eac4ca62b6a355460

  • SHA256

    8ed58fccd0234e53dd1b82468875c8e34e02c4b6d51c93041077bc412fb482bf

  • SHA512

    fe9b05ef5bb9551f7d6f8d72afad2e6e40a646e8c897213c0aaed84f7b3960c8ea45c2f3a48a35a0f3140cd97e79f9b5c8d376ff140b270b3fffce87504c78b8

  • SSDEEP

    98304:3Xo61VhZXRqa3KNLY1zNwrTPzQAqZto4OP2+95Zohk95TadWSMBoAI5Ku77v:no61LtRnaNM1zBOPjdohk9Ra0Ss9

Malware Config

Extracted

Family

darkcomet

Botnet

Hacking

C2

127.0.0.1:82

kindos223.zapto.org:82

Mutex

DC_MUTEX-A3AJRZF

Attributes
  • gencode

    kPer*-ghPCmM

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c24b23d3c854fceb5e4af9d151ffe7fc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c24b23d3c854fceb5e4af9d151ffe7fc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5288
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Client.exe
      "C:\Users\Admin\AppData\Local\Temp\Client.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4744
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5352
    • C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5180
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        3⤵
        • Checks BIOS information in registry
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4980
      • C:\Users\Admin\AppData\Local\Temp\Client.exe
        "C:\Users\Admin\AppData\Local\Temp\Client.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4824
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5328
    • C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        3⤵
        • Checks BIOS information in registry
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:4948
      • C:\Users\Admin\AppData\Local\Temp\Client.exe
        "C:\Users\Admin\AppData\Local\Temp\Client.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3636

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\winlogon.exe.log

    Filesize

    319B

    MD5

    e7df52bc2fea4cb49c9c749bd9f8d618

    SHA1

    fd956953e48f15d113f59be5e6a6534d32f2a25a

    SHA256

    65a906ff066056f5d93198115645da23ab4f880aad5d85f2fab41248b5831373

    SHA512

    538d0e3958b2b6a2d876e64ed70518aeba857b4effece13c930417754e2df23b612c7368bc4d8344bb9b10b721916d4ff2529cbac86142993170aa1d1918bae7

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

    Filesize

    6.5MB

    MD5

    0182a6151011cb541780f4ed789a72fe

    SHA1

    7d5e2c14edbd010f838af179d261cd0603fe8681

    SHA256

    4a1ddb308d9bde6b5238bb907e52834705f2a5280ba8c69ce7af36447e8ba923

    SHA512

    e78f42385076acfc95abb00ffca888dacb6ea50fba69620a75f7c244e6214ecc2b98c50fc6df01633c5f8359646e903317ab621bb00b7decd627e64ccdfe50c6

  • C:\Users\Admin\AppData\Local\Temp\config.ini

    Filesize

    20B

    MD5

    8bb400d926ed7f40be31fada430f45ea

    SHA1

    27826dc07859a23a11bcbd1317912de9593bb074

    SHA256

    68a10a393c2fe6e8e1f47bd3b42564456cf55a7fc881550b1d7dcc765462c405

    SHA512

    f84f346c73a5ddc1ab0c3484e20402b236f3bff186c0d45c38cb770acecb4d3a26a318d772007c298082f4111125cba9b2473a0bee38e0dfcb91e7d8b4c1e8a4

  • C:\Users\Admin\AppData\Local\Temp\config.ini

    Filesize

    20B

    MD5

    8b95c8c3b5a785465f8e2f868e20cc30

    SHA1

    2787db459289b44cde9107db26cbadc589883ce3

    SHA256

    976c786397ad5cd5f0d2ac8e96dc67bc904f3eeffa10d08bc2c975a213ebd041

    SHA512

    e51500409551a44b22582a1b8c3d5d25f5b708a0a443a714373da402b25f6a8044d0d2d39198ccc4b4729cb5c3cc68b201fbf164aded78054378291df09f7ac0

  • C:\Users\Admin\AppData\Roaming\Microsoft\System\Services\Winlog\winlogon.exe

    Filesize

    7.3MB

    MD5

    c24b23d3c854fceb5e4af9d151ffe7fc

    SHA1

    90419748e89d38f964db9e8eac4ca62b6a355460

    SHA256

    8ed58fccd0234e53dd1b82468875c8e34e02c4b6d51c93041077bc412fb482bf

    SHA512

    fe9b05ef5bb9551f7d6f8d72afad2e6e40a646e8c897213c0aaed84f7b3960c8ea45c2f3a48a35a0f3140cd97e79f9b5c8d376ff140b270b3fffce87504c78b8

  • memory/2756-89-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-78-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-8-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-9-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-7-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-93-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-64-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-86-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-82-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-3-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-96-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-61-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-75-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-52-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-53-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-54-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-100-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-57-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-71-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2756-68-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3636-51-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-55-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-97-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-69-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-62-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-58-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-73-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-101-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-87-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-76-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-65-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-94-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-80-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-90-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4744-83-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4824-50-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/4948-32-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/4948-36-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/4980-37-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/4980-35-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/5180-25-0x0000000074E81000-0x0000000074E82000-memory.dmp

    Filesize

    4KB

  • memory/5288-49-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/5288-2-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/5288-1-0x0000000074E80000-0x0000000075431000-memory.dmp

    Filesize

    5.7MB

  • memory/5288-0-0x0000000074E81000-0x0000000074E82000-memory.dmp

    Filesize

    4KB