Analysis

  • max time kernel
    35s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 18:37

General

  • Target

    cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe

  • Size

    384KB

  • MD5

    cd5ef8ddb218d86280527236d0378e0e

  • SHA1

    a5fe609dc4f94e1f96d57303b806a8119fbc1443

  • SHA256

    ed76128b57ce0622a1a0f8f312ea3f21245a421060f3ec973a6272b3629e26e4

  • SHA512

    df9d3c4c6916f13f0bb9df181f861c001c1153dd40fe3a51a767045eb44ba9ba1ac04eb1c441a3c1216bd624c427499204f139207eb7d0c0c0df57b68c28a40e

  • SSDEEP

    6144:08k3xrhqUO3En8ly2UopRlMaoNjOR5GxXFHEOQgJb7a/MV/7O6V:ohrRw02UopRqaoNjOOvJfa/G/7OC

Malware Config

Extracted

Family

latentbot

C2

darkbluecomet.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
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 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 2 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 10 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
      2⤵
      • 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:2024
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2772
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2888
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windupdt\winupdate.exe
          C:\Windupdt\winupdate.exe
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 5
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe

    Filesize

    384KB

    MD5

    cd5ef8ddb218d86280527236d0378e0e

    SHA1

    a5fe609dc4f94e1f96d57303b806a8119fbc1443

    SHA256

    ed76128b57ce0622a1a0f8f312ea3f21245a421060f3ec973a6272b3629e26e4

    SHA512

    df9d3c4c6916f13f0bb9df181f861c001c1153dd40fe3a51a767045eb44ba9ba1ac04eb1c441a3c1216bd624c427499204f139207eb7d0c0c0df57b68c28a40e

  • memory/2024-9-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-10-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-4-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2024-5-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-2-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-11-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-12-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-13-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-14-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2024-8-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2024-29-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-56-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-48-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-47-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-52-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-53-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-51-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-50-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-49-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-55-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-54-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-42-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-57-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-58-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-59-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-60-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-61-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-62-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-63-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-64-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

  • memory/2776-65-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB