Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 19:44

General

  • Target

    875c414debc21939564b01a7a856114b_JaffaCakes118.exe

  • Size

    114KB

  • MD5

    875c414debc21939564b01a7a856114b

  • SHA1

    e43c44ba45ee7268a9d534aed95318f5b06b3f65

  • SHA256

    fc8a6e1d300bb0af6e359139ade98e2437221e1c92d927d73e5e57cc91e10c66

  • SHA512

    60001564376ae3f1d8d949c4842d2336e776ff4e88ae51c18e42d397cf9e2161beebacee93f5044d7f3b0f197a80563b337e352c8f2991e25e2fc090bdea58d7

  • SSDEEP

    1536:hVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09W50oQezzqZl7unoS:voy8j7VnNdrPHaSekwi+mWHKzqaout

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 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\875c414debc21939564b01a7a856114b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\875c414debc21939564b01a7a856114b_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:3196
    • C:\Windows\winlogon.exe
      "C:\Windows\winlogon.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:3452
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    6663db3f80c0e4a7dd2898bedd4faa3b

    SHA1

    9fb75ff529aba9fa12c901536da1fa34d62fe464

    SHA256

    13acd528445c5dbd976a6acbd6eb563412b3c6537992a609b6e3ceb47459930e

    SHA512

    217644d45ca68da249029f924a1b0b6ab4f3241413cc600e83bdc2c56f8f64b49e009ff896452ce8cbc296d10d49c190a60425a382ab7ac4cd89754877c05697

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • C:\Windows\winlogon.exe

    Filesize

    114KB

    MD5

    875c414debc21939564b01a7a856114b

    SHA1

    e43c44ba45ee7268a9d534aed95318f5b06b3f65

    SHA256

    fc8a6e1d300bb0af6e359139ade98e2437221e1c92d927d73e5e57cc91e10c66

    SHA512

    60001564376ae3f1d8d949c4842d2336e776ff4e88ae51c18e42d397cf9e2161beebacee93f5044d7f3b0f197a80563b337e352c8f2991e25e2fc090bdea58d7

  • memory/3196-1-0x00000000008F0000-0x00000000008F1000-memory.dmp

    Filesize

    4KB

  • memory/3196-10-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3196-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-30-0x0000000002200000-0x000000000220E000-memory.dmp

    Filesize

    56KB

  • memory/3452-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-26-0x00000000021F0000-0x00000000021F1000-memory.dmp

    Filesize

    4KB

  • memory/3452-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-29-0x0000000000940000-0x0000000000948000-memory.dmp

    Filesize

    32KB

  • memory/3452-19-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB

  • memory/3452-31-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-34-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-23-0x0000000002200000-0x000000000220E000-memory.dmp

    Filesize

    56KB

  • memory/3452-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-46-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-49-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-52-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-55-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-64-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3452-67-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB