Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 11:20

General

  • Target

    82cc2d1e3bad244973b369001def769c_JaffaCakes118.exe

  • Size

    295KB

  • MD5

    82cc2d1e3bad244973b369001def769c

  • SHA1

    3d232f4f8ee8006fab581fe5fcf82a1e9d46079b

  • SHA256

    abc39745dd58903e903c08f8e271fb61bb4754b25b55de3380938916fca18fb3

  • SHA512

    377b122c7c0126008fd36f80dbef074cc7c24fa7da52d6838f509233984e6863ff3713ab6ceb55eba971c31b7b67c1cf8cc872a412747b1f07dfa6866314163d

  • SSDEEP

    6144:a473EQPr94loi+va0QZnF4J8a3HzoE55lbE0/Jr+SjupISOVK2:a473xT94XQaiRsE5nE0B+SMxGK2

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 10 IoCs

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

  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 2 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82cc2d1e3bad244973b369001def769c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\82cc2d1e3bad244973b369001def769c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\cmd.exe
      "cmd"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:2108
    • C:\Users\Admin\AppData\Local\Temp\82cc2d1e3bad244973b369001def769c_JaffaCakes118.exe
      82cc2d1e3bad244973b369001def769c_JaffaCakes118.exe
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2340
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SysWOW64\cmd.exe
          "cmd"
          4⤵
          • Subvert Trust Controls: Mark-of-the-Web Bypass
          • System Location Discovery: System Language Discovery
          • NTFS ADS
          PID:2664
        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe
          wmpnetvk.exe
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe

    Filesize

    295KB

    MD5

    82cc2d1e3bad244973b369001def769c

    SHA1

    3d232f4f8ee8006fab581fe5fcf82a1e9d46079b

    SHA256

    abc39745dd58903e903c08f8e271fb61bb4754b25b55de3380938916fca18fb3

    SHA512

    377b122c7c0126008fd36f80dbef074cc7c24fa7da52d6838f509233984e6863ff3713ab6ceb55eba971c31b7b67c1cf8cc872a412747b1f07dfa6866314163d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier

    Filesize

    27B

    MD5

    130a75a932a2fe57bfea6a65b88da8f6

    SHA1

    b66d7530d150d45c0a390bb3c2cd4ca4fc404d1c

    SHA256

    f2b79cae559d6772afc1c2ed9468988178f8b6833d5028a15dea73ce47d0196e

    SHA512

    6cd147c6f3af95803b7b0898e97ec2ed374c1f56a487b50e3d22003a67cec26a6fa12a3920b1b5624bde156f9601469ae3c7b7354fa8cf37be76c84121767eed

  • \Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe

    Filesize

    8KB

    MD5

    de7130e46b07cb98657f942ec64c811a

    SHA1

    59c00a7fab0325efd67792d99f7d9b47efff444d

    SHA256

    ec0c274f6547cb2311372ed415d4293661f7185d9ba1666b5075cacdbd5092b1

    SHA512

    44517e7caf899be9648df1c38dda175870ac8abfad0a36bd02dbf16dc74327af3eed7bcf75acd0cffc85234a54599929983f541e8ad4bef27ea943f54f043342

  • memory/1172-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2340-49-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2340-19-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2536-16-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-51-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-10-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-9-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-8-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-15-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2536-17-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-18-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/2536-14-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-50-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-13-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2536-52-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/2584-0-0x0000000074F21000-0x0000000074F22000-memory.dmp

    Filesize

    4KB

  • memory/2584-7-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-1-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-75-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-76-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB