Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 18:56

General

  • Target

    f903e1a6e7ceaa822fee0198d616ffd5_JaffaCakes118.exe

  • Size

    238KB

  • MD5

    f903e1a6e7ceaa822fee0198d616ffd5

  • SHA1

    1999a75c0f599c9f0528eb34ea72add8bfe2b73a

  • SHA256

    3541d93831412f97d923689da15aef096acd98fc0d96ce31f1fa446396a6833b

  • SHA512

    8ee1dd56b6f7d32ef49d3f4642115ec23ff2c8b176fd05db2f6584b6dbb925599bdea28ac5d3e83fd7aca5dad8e2bd7690049cd00dd78c01017f3dbd11fa196e

  • SSDEEP

    6144:n8jZ7rvaU3+mWseJ9qnoSDz+jI76FEB58:neFzF1bnoSvOImFK58

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.

  • 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
  • UPX packed file 18 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 2 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 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\f903e1a6e7ceaa822fee0198d616ffd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f903e1a6e7ceaa822fee0198d616ffd5_JaffaCakes118.exe"
    1⤵
    • 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:3132
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • 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:3156
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    93513b3e60a6f51b8c71b33344876c50

    SHA1

    9ae2a8d706559fb59bfc32b216df9743752aae0e

    SHA256

    88de4a6d9d40fa4bd9c1db78eec12a153449dcb0f22898c165d021b8a9faf932

    SHA512

    13f69a1a8c98e93d770ad59455a9effbc17f87ea07df036db675f461f53886fda14f6c3df0e7872a3cc17bd9a037181aeca9229323e9c71ac6d11945a8c6e591

  • C:\Windows\mstwain32.exe

    Filesize

    238KB

    MD5

    f903e1a6e7ceaa822fee0198d616ffd5

    SHA1

    1999a75c0f599c9f0528eb34ea72add8bfe2b73a

    SHA256

    3541d93831412f97d923689da15aef096acd98fc0d96ce31f1fa446396a6833b

    SHA512

    8ee1dd56b6f7d32ef49d3f4642115ec23ff2c8b176fd05db2f6584b6dbb925599bdea28ac5d3e83fd7aca5dad8e2bd7690049cd00dd78c01017f3dbd11fa196e

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/3132-8-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/3132-11-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3132-0-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-28-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-37-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-26-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

    Filesize

    4KB

  • memory/3156-27-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-29-0x00000000008A0000-0x00000000008A8000-memory.dmp

    Filesize

    32KB

  • memory/3156-30-0x0000000003110000-0x000000000311E000-memory.dmp

    Filesize

    56KB

  • memory/3156-19-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB

  • memory/3156-31-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-34-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-23-0x0000000003110000-0x000000000311E000-memory.dmp

    Filesize

    56KB

  • memory/3156-40-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-43-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-46-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-49-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-52-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-55-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-58-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-61-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-64-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/3156-67-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB