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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 23:18

General

  • Target

    deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    deeb865e044f79431bb0bd75c3108201

  • SHA1

    e66a0a303210a6ecf814973b1e64c2631bbd6cff

  • SHA256

    1e53550c64c1c35be5ae9c335657f4aaced11eca6332b814876a9afaf72876fd

  • SHA512

    4a9f4db1a601a00b72ce326c1a75150d55bdce4c393ede54b342355363df35c82e6bc1c63b75ebdd431c275fa31738ffe8ca4de37c99993a8f0e8e925efb067b

  • SSDEEP

    3072:HOHfdCXs6cegaeRFIiNdgn9/2PKezInkCGQLqmwVtFXh9wcPN0:H4Z6ce+giwqKecLqmwVtZh9wcF0

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 7 IoCs

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

  • 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 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_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:2944
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1892
        • C:\Windows\mstwain32.exe
          C:\Windows\mstwain32.exe \melt "C:\Users\Admin\AppData\Local\Temp\deeb865e044f79431bb0bd75c3108201_JaffaCakes118.exe"
          4⤵
          • UAC bypass
          • Deletes itself
          • 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:1328
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    232036a76935e50dfbea6ee8b9bd8fe1

    SHA1

    04309bc4a364fddb3918d23955cef504712fb32a

    SHA256

    4cdd31696cd3f7acc7d701e1a23edecbe43ded45720bde902cce2c370ba6b64f

    SHA512

    2f7e77a8c926f2f831fbe6d26def3799517c2d9be9d289302db1a39f0a51dcdb2cad960a29fa9b58cb9cd2f2bc0da0ddcf31b7047e620ad2aa889023f2973fe4

  • C:\Windows\mstwain32.exe

    Filesize

    196KB

    MD5

    deeb865e044f79431bb0bd75c3108201

    SHA1

    e66a0a303210a6ecf814973b1e64c2631bbd6cff

    SHA256

    1e53550c64c1c35be5ae9c335657f4aaced11eca6332b814876a9afaf72876fd

    SHA512

    4a9f4db1a601a00b72ce326c1a75150d55bdce4c393ede54b342355363df35c82e6bc1c63b75ebdd431c275fa31738ffe8ca4de37c99993a8f0e8e925efb067b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1328-36-0x0000000003250000-0x000000000325E000-memory.dmp

    Filesize

    56KB

  • memory/1328-25-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1328-41-0x0000000003250000-0x000000000325E000-memory.dmp

    Filesize

    56KB

  • memory/1328-40-0x0000000002150000-0x0000000002158000-memory.dmp

    Filesize

    32KB

  • memory/1328-26-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1328-21-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1328-24-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1892-38-0x0000000000600000-0x000000000062F000-memory.dmp

    Filesize

    188KB

  • memory/1892-20-0x0000000000600000-0x000000000062F000-memory.dmp

    Filesize

    188KB

  • memory/2944-3-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2944-9-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2944-8-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/4452-6-0x000000000061A000-0x000000000062E000-memory.dmp

    Filesize

    80KB

  • memory/4452-2-0x000000000061A000-0x000000000062E000-memory.dmp

    Filesize

    80KB

  • memory/4452-0-0x0000000000600000-0x000000000062F000-memory.dmp

    Filesize

    188KB

  • memory/4452-1-0x0000000000600000-0x000000000062F000-memory.dmp

    Filesize

    188KB

  • memory/4452-5-0x0000000000600000-0x000000000062F000-memory.dmp

    Filesize

    188KB