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Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 02:11

General

  • Target

    fd98de19a4d3ad07f40043fb3afffd4c_JaffaCakes118.exe

  • Size

    110KB

  • MD5

    fd98de19a4d3ad07f40043fb3afffd4c

  • SHA1

    e479c5a717263272855bdabe4a8e3150d245e806

  • SHA256

    488d24029d11d08b9c4d190c776f79a73df3640617316abcc40426e25b8e3f90

  • SHA512

    1b10c5b46593cf30c0797a691070f91241300fa7c1e39b39c5766931241e0d4ff51276b1c6611f317fc955ec835d85739627e4ed47704a0d0478c420f87d4768

  • SSDEEP

    3072:Voy8j7VnNdrPHaSekwi+mW+2pa1Ghuh+EoutI:18jZ7rvaU3+mWrpIGhy+EoSI

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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd98de19a4d3ad07f40043fb3afffd4c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd98de19a4d3ad07f40043fb3afffd4c_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:1180
    • 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:1536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7de554d5f25976503147b02f26949f0c

    SHA1

    8d65af4fc9d8a32f89cbe76715d729a9728414b6

    SHA256

    373e3c057165cdec20a372d8e9ceadb738a32d050897ef6d137d3b7269b97da0

    SHA512

    e00004358d6995a52eab81eb0feebd9c9d3e2705e78ead82e084bf11f931b8bad08f0a2f6f97f22d39f34820643187c9303160dd0c451fcb0e1ce303a0443977

  • C:\Windows\mstwain32.exe

    Filesize

    110KB

    MD5

    fd98de19a4d3ad07f40043fb3afffd4c

    SHA1

    e479c5a717263272855bdabe4a8e3150d245e806

    SHA256

    488d24029d11d08b9c4d190c776f79a73df3640617316abcc40426e25b8e3f90

    SHA512

    1b10c5b46593cf30c0797a691070f91241300fa7c1e39b39c5766931241e0d4ff51276b1c6611f317fc955ec835d85739627e4ed47704a0d0478c420f87d4768

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1180-9-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1180-0-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-29-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-35-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-24-0x0000000002F90000-0x0000000002F91000-memory.dmp

    Filesize

    4KB

  • memory/1536-25-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-26-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-27-0x0000000000840000-0x0000000000848000-memory.dmp

    Filesize

    32KB

  • memory/1536-28-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/1536-17-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/1536-32-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-21-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/1536-38-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-41-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-44-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-47-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-50-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-53-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-56-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-59-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-62-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1536-65-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB