Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 00:25

General

  • Target

    f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe

  • Size

    202KB

  • MD5

    f4c801197de3e87c0d42bade9db7750c

  • SHA1

    d91c03b14ed4202fbeaadfdfe9c4d1e48a78d5b3

  • SHA256

    2a56a0dc1691808fd1523db7a52271d1a890881a6fd85f3730620cec2be5f5ae

  • SHA512

    50b2f1aae9ac8d1978ab3c81ec79c893ab7cec304b39df8f6d3217c4ae242370ed8a9f835e2a0e6f534ab7b04cd51622a16ff88321828e912299e1dd132cb79b

  • SSDEEP

    3072:zHxgphwaBxt/z/7hbSX5HwETInWDMPzpociWjPiHm4zNJ3r+H0lxRxmbhiAi7n1a:DxihtBxtLTAOnIM7poci3/zf+sMNiFVe

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies security service 2 TTPs 4 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 24 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe"
    1⤵
    • Modifies security service
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3944
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop SharedAccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop SharedAccess
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3600
    • C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f4c801197de3e87c0d42bade9db7750c_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • Modifies security service
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2124
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3252
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop wscsvc
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3120
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop SharedAccess
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2084
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SharedAccess
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4080
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe"
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:4344
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    2602ce8319f16213ae35e34b6101f6a0

    SHA1

    06e47cf77234f28a3326b1fe4be3bfb50a36b928

    SHA256

    a240a6b7d8252fe5585d3278956c86a4887a8824bab644d4b362e8fc25ea4234

    SHA512

    a62cc45a3ed780af8e5560b14d925dc8989b168782bc5dcded3ac322bde5e914d4f57c2e8bf8b98e636fd6b7205da4bf2711c6e6d7a8999ba7a91b7de83d8b97

  • C:\Windows\mstwain32.exe

    Filesize

    202KB

    MD5

    f4c801197de3e87c0d42bade9db7750c

    SHA1

    d91c03b14ed4202fbeaadfdfe9c4d1e48a78d5b3

    SHA256

    2a56a0dc1691808fd1523db7a52271d1a890881a6fd85f3730620cec2be5f5ae

    SHA512

    50b2f1aae9ac8d1978ab3c81ec79c893ab7cec304b39df8f6d3217c4ae242370ed8a9f835e2a0e6f534ab7b04cd51622a16ff88321828e912299e1dd132cb79b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/556-7-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-6-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-1-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-3-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-0-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-19-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/556-20-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-11-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/556-9-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2124-35-0x0000000000400000-0x0000000000439090-memory.dmp

    Filesize

    228KB

  • memory/4224-10-0x0000000000400000-0x0000000000439090-memory.dmp

    Filesize

    228KB

  • memory/4344-46-0x0000000003220000-0x000000000322E000-memory.dmp

    Filesize

    56KB

  • memory/4344-58-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-48-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-34-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-49-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-50-0x0000000002020000-0x0000000002028000-memory.dmp

    Filesize

    32KB

  • memory/4344-51-0x0000000003220000-0x000000000322E000-memory.dmp

    Filesize

    56KB

  • memory/4344-52-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-55-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-36-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-61-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-64-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-67-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-70-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-73-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-76-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-79-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4344-82-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB