Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2025, 13:13

General

  • Target

    JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe

  • Size

    1.8MB

  • MD5

    f8349d63d18628e5bcf39919ddf37096

  • SHA1

    c87fc1f864946759c4dc5dddb9ede3112651be2f

  • SHA256

    0236382d957dcebb0c86dd5042603544aad75a56d4cb949f9ea045f72e0973a8

  • SHA512

    bc1d17c0d5c9170ed5354e540057257a62130493976effa1b332e1f8cf8c248fb71965f83386bf7b635ecf1d7a92edf9b3428031e2d7aaeda00ebcfb1f8e2bd8

  • SSDEEP

    24576:0GgVX4tJrQgpMQgL7MwUn+OItWkbVvP2LbwXoii:0t40gpMQJ+OlkNdXoii

Malware Config

Extracted

Family

darkcomet

Botnet

Random

C2

kromoz23.no-ip.biz:1604

Mutex

DC_MUTEX-Z2B25MB

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    w9R4vECN2$Gj

  • install

    true

  • offline_keylogger

    true

  • password

    23life

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 2 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
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Modifies WinLogon for persistence
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3160
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          4⤵
          • Modifies WinLogon for persistence
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1928
          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3508
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:4212
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mjc0NjUwNDQ4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:3916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    116B

    MD5

    fbcc48ddf361df41da6b0400718841f8

    SHA1

    b6d3641dc3c8186662f3906a350e355f47e373e3

    SHA256

    ecb300191d0e3420d114338ed6850afa649b270f75c181ffe86b435420100870

    SHA512

    1d9d8e3335423152e7b19bc3b0ac8f04d318c342cfeb1567b9b82f0dde0e3d3f57c3fb7c312fbca7d9f46ba2383f32a2abc90df9a924f27da43f854bd490e578

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    1.8MB

    MD5

    f8349d63d18628e5bcf39919ddf37096

    SHA1

    c87fc1f864946759c4dc5dddb9ede3112651be2f

    SHA256

    0236382d957dcebb0c86dd5042603544aad75a56d4cb949f9ea045f72e0973a8

    SHA512

    bc1d17c0d5c9170ed5354e540057257a62130493976effa1b332e1f8cf8c248fb71965f83386bf7b635ecf1d7a92edf9b3428031e2d7aaeda00ebcfb1f8e2bd8

  • memory/644-1-0x0000000074490000-0x0000000074A41000-memory.dmp

    Filesize

    5.7MB

  • memory/644-2-0x0000000074490000-0x0000000074A41000-memory.dmp

    Filesize

    5.7MB

  • memory/644-11-0x0000000074490000-0x0000000074A41000-memory.dmp

    Filesize

    5.7MB

  • memory/644-0-0x0000000074492000-0x0000000074493000-memory.dmp

    Filesize

    4KB

  • memory/748-4-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/748-3-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/748-6-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/748-7-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/748-8-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/748-24-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1928-34-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1928-31-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/1928-32-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/3160-27-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-33-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-26-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/3160-25-0x0000000073DE2000-0x0000000073DE3000-memory.dmp

    Filesize

    4KB

  • memory/4212-43-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-50-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-41-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-40-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-39-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-45-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-46-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-48-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-49-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-42-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-51-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-52-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-53-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-54-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-55-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-56-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/4212-57-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB