Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 07:18

General

  • Target

    JaffaCakes118_22417ced93044d377d8c8c791c952090.exe

  • Size

    385KB

  • MD5

    22417ced93044d377d8c8c791c952090

  • SHA1

    0478205a61cff38a6cecf21f5d112956bb36ed49

  • SHA256

    950582ca83f3793e48268be3385be6e1fcbcb35c5377118ca042bd0813e6fd69

  • SHA512

    cc1d546b5dbee96aa07c37cf7c8d73035fdeeab23cf709c17777fd065e4fb256ab1b12d405048221e9af45f56b9fb80157e7b35c46d6bff7cf96a3a208b1d3ba

  • SSDEEP

    12288:NWUtK/gTC7PLxIkjiw+8iG6TEgeM8F/ydYDmj:NWUtK/wWP/jiLQCONWbj

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

stevecarl2010.zapto.org:21

Mutex

DC_MUTEX-U6Y530W

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    AT34ypRw3ul4

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

latentbot

C2

stevecarl2010.zapto.org

Signatures

  • Darkcomet

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

  • Darkcomet family
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22417ced93044d377d8c8c791c952090.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22417ced93044d377d8c8c791c952090.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    385KB

    MD5

    22417ced93044d377d8c8c791c952090

    SHA1

    0478205a61cff38a6cecf21f5d112956bb36ed49

    SHA256

    950582ca83f3793e48268be3385be6e1fcbcb35c5377118ca042bd0813e6fd69

    SHA512

    cc1d546b5dbee96aa07c37cf7c8d73035fdeeab23cf709c17777fd065e4fb256ab1b12d405048221e9af45f56b9fb80157e7b35c46d6bff7cf96a3a208b1d3ba

  • memory/2100-0-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2100-1-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2100-13-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/2532-17-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/3056-14-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/3056-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/3056-19-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB