Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2024 12:22

General

  • Target

    7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    7c628b63e00fdfb7cf03f79411deeeea

  • SHA1

    a60b798e860fa4c4aa8a43474b86b3f01969ba79

  • SHA256

    4c308a8c665839ea491089cd987ab93a6c09ad9eb6561116776d635b660da101

  • SHA512

    960b1634bf9227c753590f7c2042ae68d9e3eec2ce7722ff74ee257dccbc7da28092e4ea74af6a08790775ef6514436435e12ea4bcda173e08e25b83eca46b43

  • SSDEEP

    12288:B1Eu4AZ+EOJTSNT8JpclOVgvcWS2LgHtJpXMKI1jdT5yRVhJUzIwX5+9NB8GYbnu:t0GMG15eisLl74ZYS+/VRZ

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

darkcoder.no-ip.biz:1604

Mutex

DC_MUTEX-L3VAPKR

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    SSMFGEWonDEN

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 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 23 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7c628b63e00fdfb7cf03f79411deeeea_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • 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:2396
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/1828-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-40-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-25-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-27-0x00000000747F0000-0x0000000074D9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1828-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

    Filesize

    4KB

  • memory/2396-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2396-16-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-26-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-22-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-28-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-18-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-17-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-24-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-14-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-12-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-10-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-6-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-37-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2396-8-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB