Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 23:50

General

  • Target

    ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    ec6cc1fd291b219a0efb230025b7c22c

  • SHA1

    ebaeb9b51f0e71d677657b2afa83485af2294f23

  • SHA256

    6c1b0cb5d95c45f8b0e412b4aeed95fcfa5b6ee33b86fc6f47669c9d2b8cea5e

  • SHA512

    cb9d6d5678ba4653d05e82b211da4487a259733d740de27f49b081f8628f524fcbaa048d82661e17edb018a6b29f21867c8a9863611de10f9fb30a73796f16ae

  • SSDEEP

    1536:IVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09+2Cw2kRoKZmrcV/h:moy8j7VnNdrPHaSekwi+mW+22M//out

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
  • UPX packed file 18 IoCs

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

  • 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).

  • 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\ec6cc1fd291b219a0efb230025b7c22c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec6cc1fd291b219a0efb230025b7c22c_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:1892
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\ec6cc1fd291b219a0efb230025b7c22c_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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2272
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7fb20cccce53f5e72db6bb9d711680a4

    SHA1

    5bdec0c3a654932afe1649386bfa32766adffdbb

    SHA256

    44e43c1865a161b07592de987211126904a22489771c4201f99447b3c6e60602

    SHA512

    a696fda6de6f30252f48a8064cb9b4620e29d12e0711babb717e7c28fd506751d32f99325915232018e315a70a1d305ba3f77196699d15aa5626f1e5bcd67a20

  • C:\Windows\mstwain32.exe

    Filesize

    108KB

    MD5

    ec6cc1fd291b219a0efb230025b7c22c

    SHA1

    ebaeb9b51f0e71d677657b2afa83485af2294f23

    SHA256

    6c1b0cb5d95c45f8b0e412b4aeed95fcfa5b6ee33b86fc6f47669c9d2b8cea5e

    SHA512

    cb9d6d5678ba4653d05e82b211da4487a259733d740de27f49b081f8628f524fcbaa048d82661e17edb018a6b29f21867c8a9863611de10f9fb30a73796f16ae

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1892-1-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

    Filesize

    4KB

  • memory/1892-12-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/1892-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-31-0x0000000002480000-0x000000000248E000-memory.dmp

    Filesize

    56KB

  • memory/2272-38-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-27-0x0000000002330000-0x0000000002331000-memory.dmp

    Filesize

    4KB

  • memory/2272-28-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-29-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-30-0x0000000000960000-0x0000000000968000-memory.dmp

    Filesize

    32KB

  • memory/2272-20-0x0000000000910000-0x0000000000911000-memory.dmp

    Filesize

    4KB

  • memory/2272-32-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-35-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-24-0x0000000002480000-0x000000000248E000-memory.dmp

    Filesize

    56KB

  • memory/2272-41-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-44-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-47-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-50-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-53-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-56-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-59-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-62-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-65-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2272-68-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB