Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 23:29

General

  • Target

    13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe

  • Size

    652KB

  • MD5

    13e2313c0090887c6e5ca605a4daea44

  • SHA1

    4504137765992c716ba98ff5ad6e9baf4cf256ae

  • SHA256

    936ac6210bbdf887ceb17246e841c8c7e88322ef3359f65c548ec972cf51d92b

  • SHA512

    a36d88d83a39566e8c027dec55589373519ae94d264e65c5dc12b4a59593f89a95235788281b7a7f0e1f821f6676132e560a506ca0ad1ef10e80b1099dfa5392

  • SSDEEP

    12288:udNWQqqZMdLQYzgyWZ3u+gVj+9c9+DtCGTtd5Z+OopDnHPYLt1mRnWEu:ublq8MdLQzyWZRc9gwcopTPYLTDF

Malware Config

Signatures

  • Darkcomet

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

  • 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 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\13e2313c0090887c6e5ca605a4daea44_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:2812
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2792
        • C:\Windupdt\winupdate.exe
          C:\Windupdt\winupdate.exe
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windupdt\winupdate.exe

    Filesize

    652KB

    MD5

    13e2313c0090887c6e5ca605a4daea44

    SHA1

    4504137765992c716ba98ff5ad6e9baf4cf256ae

    SHA256

    936ac6210bbdf887ceb17246e841c8c7e88322ef3359f65c548ec972cf51d92b

    SHA512

    a36d88d83a39566e8c027dec55589373519ae94d264e65c5dc12b4a59593f89a95235788281b7a7f0e1f821f6676132e560a506ca0ad1ef10e80b1099dfa5392

  • memory/2056-22-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-40-0x0000000004010000-0x0000000004019000-memory.dmp

    Filesize

    36KB

  • memory/2056-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-11-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-43-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-16-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2056-13-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-17-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-8-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-7-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-5-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-21-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-3-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2056-23-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2212-0-0x0000000000400000-0x0000000000408036-memory.dmp

    Filesize

    32KB

  • memory/2212-20-0x0000000000400000-0x0000000000408036-memory.dmp

    Filesize

    32KB

  • memory/2212-18-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2784-88-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-93-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-99-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-98-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-97-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-96-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-95-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-94-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-92-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-83-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-84-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2784-78-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-91-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2784-85-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-87-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-89-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2784-86-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/2792-77-0x0000000000400000-0x0000000000408036-memory.dmp

    Filesize

    32KB

  • memory/2792-51-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2792-52-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2792-53-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2792-44-0x0000000000400000-0x0000000000408036-memory.dmp

    Filesize

    32KB

  • memory/2812-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2812-90-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2812-36-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2812-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-27-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2812-33-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB