Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 05:16

General

  • Target

    91c2e0359815c6bd159e7de7d249844f_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    91c2e0359815c6bd159e7de7d249844f

  • SHA1

    fba9892e9236c504edcb25aafcee549c007f5b09

  • SHA256

    1211cd46ae633efd8f104fc7c7c93757457139a06e90e1a09444e13671fd7af8

  • SHA512

    7157f495802ad458f3b2edbcb01ca4e1e38f96acc8437dfac235d4e9d7b72550d5ca11ebba798f549a6badee6088a20093bc5759d7142dabb035ed0cac6ac2ca

  • SSDEEP

    24576:aEboxRri1tRZmUxUUx8eGW8S4tB+8bkLPzwyJ8xAmEKju:aRRGfmUP2SAB+8phec

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

romanticboy.zapto.org:1604

Mutex

DC_MUTEX-X1PZ9KU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    SB5sgcul0M0i

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Extracted

Family

latentbot

C2

romanticboy.zapto.org

Signatures

  • Darkcomet

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

  • LatentBot

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • 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
  • Themida packer 25 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 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 7 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91c2e0359815c6bd159e7de7d249844f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\91c2e0359815c6bd159e7de7d249844f_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\91c2e0359815c6bd159e7de7d249844f_JaffaCakes118.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\91c2e0359815c6bd159e7de7d249844f_JaffaCakes118.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2648
    • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
      "C:\Windows\system32\MSDCSC\msdcsc.exe"
      2⤵
      • Windows security bypass
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Windows security modification
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\SysWOW64\MSDCSC\msdcsc.exe

    Filesize

    1.0MB

    MD5

    91c2e0359815c6bd159e7de7d249844f

    SHA1

    fba9892e9236c504edcb25aafcee549c007f5b09

    SHA256

    1211cd46ae633efd8f104fc7c7c93757457139a06e90e1a09444e13671fd7af8

    SHA512

    7157f495802ad458f3b2edbcb01ca4e1e38f96acc8437dfac235d4e9d7b72550d5ca11ebba798f549a6badee6088a20093bc5759d7142dabb035ed0cac6ac2ca

  • memory/1500-22-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1500-60-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2084-61-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-0-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-4-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-3-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-9-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-10-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-6-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-5-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-19-0x0000000007B70000-0x0000000007DA5000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-2-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2084-1-0x0000000000401000-0x000000000044F000-memory.dmp

    Filesize

    312KB

  • memory/2564-63-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-68-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-20-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-64-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-65-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-66-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-67-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-62-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-69-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-70-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-71-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-72-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-73-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-74-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB

  • memory/2564-75-0x0000000000400000-0x0000000000635000-memory.dmp

    Filesize

    2.2MB