Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 02:38

General

  • Target

    8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe

  • Size

    194KB

  • MD5

    8eb99bfa4661173013caa33ef3480042

  • SHA1

    10f8c3bc07d0dba10f0b0589c2b489c87bce944e

  • SHA256

    61e6786a5789b9e867a315d45c37c759ddf72356ffde6c928f1ef5e01e4d2c21

  • SHA512

    0d888aef5127bc5c49f08258b29f49d0c677e697a5ae64fa04e31810002e08ca59588c810fb1c43cba9522b24338e325120cec39fcd82cac5479b5b05da5de75

  • SSDEEP

    3072:/oy8j7VnNdrPHaSekwi+mWRvMCIPltbout798eaJcl/p:P8jZ7rvaU3+mWRyP3boSr4O/

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 17 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 19 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\8eb99bfa4661173013caa33ef3480042_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8eb99bfa4661173013caa33ef3480042_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:2056
    • 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:4416
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    74046296beae07f57b1af1c8516bf869

    SHA1

    1f9c1add40b8a945a3d0621e7564ae5a3910aedb

    SHA256

    aa151cf3c30ca27f0301a16333f73c8082352c1f0adde2bb0327db4769e713dd

    SHA512

    68c627ecdcfad07bfb5fc9d13166bbf1ca733887343d194c409c5d2e3b3543ccd08e195eb7347fb3fb288cb9c1fc464dd2f194df2b6f6e0401d928901ae3e75a

  • C:\Windows\mstwain32.exe

    Filesize

    194KB

    MD5

    8eb99bfa4661173013caa33ef3480042

    SHA1

    10f8c3bc07d0dba10f0b0589c2b489c87bce944e

    SHA256

    61e6786a5789b9e867a315d45c37c759ddf72356ffde6c928f1ef5e01e4d2c21

    SHA512

    0d888aef5127bc5c49f08258b29f49d0c677e697a5ae64fa04e31810002e08ca59588c810fb1c43cba9522b24338e325120cec39fcd82cac5479b5b05da5de75

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2056-11-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

    Filesize

    4KB

  • memory/2056-0-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2056-15-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-31-0x0000000000510000-0x0000000000518000-memory.dmp

    Filesize

    32KB

  • memory/4416-42-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-25-0x0000000003110000-0x000000000311E000-memory.dmp

    Filesize

    56KB

  • memory/4416-28-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

    Filesize

    4KB

  • memory/4416-29-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-30-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-10-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-32-0x0000000003110000-0x000000000311E000-memory.dmp

    Filesize

    56KB

  • memory/4416-33-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-36-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-39-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-21-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/4416-45-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-48-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-51-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-54-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-57-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-60-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-63-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-66-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4416-69-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB