Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-10-2024 18:04

General

  • Target

    52fbb186a05c9546fbcb743a39932b4d_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    52fbb186a05c9546fbcb743a39932b4d

  • SHA1

    8ac8bddb2601007e9452642936dec0677d046e99

  • SHA256

    5971fe6ee167e4e767e4ef62002ac08990f93b48dc8aab6d854cb6cf2cb15751

  • SHA512

    f79f2f23f4728acbbae3b1bba6d81b0f882b8eb25fd84883308790e4726cc169a9fcb1cfc43ac55c773e2cfaa40ceed92df0d8ee917e2bc2d8b85e47c54ae7b1

  • SSDEEP

    24576:zBoIjIbgyLC495467nMEgB3JFvLv4njC3N8oqZigGWt6vhNnOpcEe2ZFVA:zx8bdLp542ME6FvLvejCd8oVgGnvhNOo

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 22 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 7 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 11 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.

  • 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
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52fbb186a05c9546fbcb743a39932b4d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\52fbb186a05c9546fbcb743a39932b4d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Users\Admin\AppData\Local\Temp\52fbb186a05c9546fbcb743a39932b4d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\52fbb186a05c9546fbcb743a39932b4d_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Users\Admin\AppData\Local\Temp\UNS12.EXE
        "C:\Users\Admin\AppData\Local\Temp\UNS12.EXE"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1376
      • C:\Windows\SysWOW64\Windupdt\winupdate.exe
        "C:\Windows\system32\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\Windupdt\winupdate.exe
          "C:\Windows\SysWOW64\Windupdt\winupdate.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2116
          • C:\Users\Admin\AppData\Local\Temp\UNS12.EXE
            "C:\Users\Admin\AppData\Local\Temp\UNS12.EXE"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2700
          • C:\Windows\SysWOW64\Windupdt\winupdate.exe
            "C:\Windows\system32\Windupdt\winupdate.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2524
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2620
            • C:\Windows\SysWOW64\PING.EXE
              ping 127.0.0.1 -n 2
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

    Filesize

    119B

    MD5

    b734f62c5a49145de1aace957bdd105f

    SHA1

    c4477462e6b54699418c4d31956f284f808972ba

    SHA256

    8e9c41e13995108b823bc57089cbfae2e07c389f5978a9f8b75b08f2408f0a80

    SHA512

    d0a1cd0650b5d368513386e8ab8ab8aaba52cbead36cf9b279a1f89a1a5896bea672b2abe402ccb9dbd286adc899fa22495217c5567d13681958eaa158e0e573

  • C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

    Filesize

    77B

    MD5

    baa2a4d27419ce6b7c75862fe0414d00

    SHA1

    58039cfbf4439241c78aa3f1f62d35afb177440e

    SHA256

    7b82de8879586a0b767872e84fbc8c59849ff802fa923a78eb2e61e69e8d6b4d

    SHA512

    f8e74bd5a97d2993e18f5033e67579a06a7fe85bcaa73951a2134325ba829df1d67aca34641237eef86909c2eac3845a1ed07e486b4553c84bcc571ea7874eea

  • \Users\Admin\AppData\Local\Temp\UNS12.EXE

    Filesize

    266KB

    MD5

    ec9c0978f3c741dc8df185e6b4cab6d7

    SHA1

    24f1d1772fc05b8b7d3f3b5602ac2b2a6743db2d

    SHA256

    788285e84c3c43e15249f2ecdc1d33feaac399a2921cf4dbf8517d20b7369b65

    SHA512

    73c2b5beb42b14c7c65c9fa2f6a0ffd5baa57e184790f1a58e25bd1ee5130e4e18d733256523f4666eb0bca41b7b565562a0d81e42475a2ab6a771b2abde9df1

  • \Windows\SysWOW64\Windupdt\winupdate.exe

    Filesize

    1.3MB

    MD5

    52fbb186a05c9546fbcb743a39932b4d

    SHA1

    8ac8bddb2601007e9452642936dec0677d046e99

    SHA256

    5971fe6ee167e4e767e4ef62002ac08990f93b48dc8aab6d854cb6cf2cb15751

    SHA512

    f79f2f23f4728acbbae3b1bba6d81b0f882b8eb25fd84883308790e4726cc169a9fcb1cfc43ac55c773e2cfaa40ceed92df0d8ee917e2bc2d8b85e47c54ae7b1

  • memory/2116-55-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2116-60-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2116-81-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2116-61-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2468-47-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/2468-54-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-84-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/2560-4-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2560-44-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2560-5-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2560-11-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2560-10-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2560-8-0x0000000000400000-0x0000000000503000-memory.dmp

    Filesize

    1.0MB

  • memory/2564-6-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB

  • memory/2564-7-0x0000000000401000-0x0000000000410000-memory.dmp

    Filesize

    60KB

  • memory/2564-2-0x0000000000401000-0x0000000000410000-memory.dmp

    Filesize

    60KB

  • memory/2564-0-0x0000000000400000-0x000000000054E000-memory.dmp

    Filesize

    1.3MB