Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-05-2024 14:52

General

  • Target

    10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    10c6f2ab630e600b78ed200b381e7040

  • SHA1

    fde4d24d51c1ce8990a6c4a95d31b54139cafd92

  • SHA256

    0bc43275172f6b2c4af4d7518beb64cad28ab6cddade83e042d89654e7bc8355

  • SHA512

    39f8a473b40615ebc98ca894dc2574f27a197c0fd238313c2a95a121a5976819984e58682d598f1e003e8d9063d7bdfdf949945d1704d221c9c0f4a847ee1d88

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53ciSpcCJJvH:Zr7xS2Vp6FwTbiSbJJvH

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 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 1 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
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\10c6f2ab630e600b78ed200b381e7040_JaffaCakes118.exe"
      2⤵
      • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:1076
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    ffd14b863df7d127683a529a00e55657

    SHA1

    0ce631feb557731af3555a9c595beae9bd5fdcbc

    SHA256

    98badef8039a15955436e3faca5a7f02a19962c88cd0350f072ffcd35a43dfb3

    SHA512

    800276b3cd2a530f5fc4a2310492422f6b0c3f315c2fc8707b557ac1a92fb65ed72fc733f788484b2f9c13d8998e1558ee9f92565ca0fca8337e89761122c4f2

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    10c6f2ab630e600b78ed200b381e7040

    SHA1

    fde4d24d51c1ce8990a6c4a95d31b54139cafd92

    SHA256

    0bc43275172f6b2c4af4d7518beb64cad28ab6cddade83e042d89654e7bc8355

    SHA512

    39f8a473b40615ebc98ca894dc2574f27a197c0fd238313c2a95a121a5976819984e58682d598f1e003e8d9063d7bdfdf949945d1704d221c9c0f4a847ee1d88

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1076-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-22-0x0000000002360000-0x000000000236E000-memory.dmp

    Filesize

    56KB

  • memory/1076-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-25-0x0000000002350000-0x0000000002351000-memory.dmp

    Filesize

    4KB

  • memory/1076-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-28-0x0000000002360000-0x000000000236E000-memory.dmp

    Filesize

    56KB

  • memory/1076-27-0x0000000002120000-0x0000000002128000-memory.dmp

    Filesize

    32KB

  • memory/1076-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-18-0x00000000020D0000-0x00000000020D1000-memory.dmp

    Filesize

    4KB

  • memory/1076-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1076-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4788-9-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB