Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 01:48

General

  • Target

    72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    72212799efeb70dac8ed957e6503616b

  • SHA1

    e7fd90088f8060c157bb2aa6766726fd7d0d9948

  • SHA256

    48d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b

  • SHA512

    0cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39

  • SSDEEP

    24576:BSGvv3I+gyV4tq1KBTVuArGrWuRrv9SuhXgu+ex0Rst5pzveyeNA:BSS5bETV3rMWmz9hWRwpiS

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

yahoomessenger.myvnc.com:1604

Mutex

DC_MUTEX-5E877ZT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    1Rs02FyAuq15

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\72212799efeb70dac8ed957e6503616b_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.2MB

    MD5

    72212799efeb70dac8ed957e6503616b

    SHA1

    e7fd90088f8060c157bb2aa6766726fd7d0d9948

    SHA256

    48d1664bc3d660296658ef0748961a585492f28d03804fa4f18720cf1476378b

    SHA512

    0cdf354752ebd511b7e04f0fdc98eac4027de5be54e9f8754535827a1f2c81abd005b9f7f6c071912113c1515dc101f84080c87250f21b780d7945b3b48bed39

  • memory/2052-4-0x0000000001E00000-0x0000000001E01000-memory.dmp

    Filesize

    4KB

  • memory/2052-11-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-13-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-15-0x0000000003220000-0x0000000003221000-memory.dmp

    Filesize

    4KB

  • memory/2052-9-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-8-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-1-0x0000000001E50000-0x0000000001EAA000-memory.dmp

    Filesize

    360KB

  • memory/2052-6-0x0000000001E40000-0x0000000001E41000-memory.dmp

    Filesize

    4KB

  • memory/2052-5-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

    Filesize

    4KB

  • memory/2052-0-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-12-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-59-0x0000000006D50000-0x0000000006FB0000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-10-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-17-0x0000000003220000-0x0000000003221000-memory.dmp

    Filesize

    4KB

  • memory/2052-16-0x0000000003220000-0x0000000003320000-memory.dmp

    Filesize

    1024KB

  • memory/2052-3-0x0000000001E10000-0x0000000001E11000-memory.dmp

    Filesize

    4KB

  • memory/2052-2-0x0000000001E20000-0x0000000001E21000-memory.dmp

    Filesize

    4KB

  • memory/2052-58-0x0000000006D50000-0x0000000006FB0000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-7-0x0000000002120000-0x0000000002121000-memory.dmp

    Filesize

    4KB

  • memory/2052-14-0x0000000003230000-0x0000000003231000-memory.dmp

    Filesize

    4KB

  • memory/2052-18-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-61-0x0000000001E50000-0x0000000001EAA000-memory.dmp

    Filesize

    360KB

  • memory/2052-60-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-74-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-72-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-65-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-66-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-67-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-68-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-69-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-70-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-71-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-63-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-73-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-79-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-75-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-76-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-77-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2760-78-0x0000000000400000-0x0000000000660000-memory.dmp

    Filesize

    2.4MB

  • memory/2844-49-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB