Analysis

  • max time kernel
    149s
  • 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
    19-09-2024 10:27

General

  • Target

    eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe

  • Size

    312KB

  • MD5

    eb234d27f4a4c94e53e9cdcf61658c8f

  • SHA1

    b7daaaeb7a7c58b4dfe45119716852d082b0624f

  • SHA256

    b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33

  • SHA512

    8675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917

  • SSDEEP

    6144:ZG377xS2Vp2CeiorXhwTBN53lpcCJJvHPsIoS:sr7xS2Vp6FwTnbJJvHDoS

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 4 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
  • UPX packed file 4 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 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\eb234d27f4a4c94e53e9cdcf61658c8f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb234d27f4a4c94e53e9cdcf61658c8f_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:2924
    • 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:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7c3ff4d4d394fde7c693d04c488a55f8

    SHA1

    ae2b2acc7e91a910f9075e0e095b528e97827ba4

    SHA256

    4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

    SHA512

    33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

  • C:\Windows\mstwain32.exe

    Filesize

    312KB

    MD5

    eb234d27f4a4c94e53e9cdcf61658c8f

    SHA1

    b7daaaeb7a7c58b4dfe45119716852d082b0624f

    SHA256

    b0a253f704d3522eb4d60d13775b18ba5d209a14ee07f72d5eb36644d59d0d33

    SHA512

    8675d3fef535c2eb2a8e26ba1409fda7d7a0c8d68c42bd29a5b900f4887a995d297478d3c1d0eadbfbd0142091aada82e77ee3eee12d234257eb47ad75c24917

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2636-18-0x0000000000910000-0x0000000000911000-memory.dmp

    Filesize

    4KB

  • memory/2636-22-0x00000000030D0000-0x00000000030DE000-memory.dmp

    Filesize

    56KB

  • memory/2636-25-0x0000000002F80000-0x0000000002F81000-memory.dmp

    Filesize

    4KB

  • memory/2636-26-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2636-27-0x0000000000920000-0x0000000000928000-memory.dmp

    Filesize

    32KB

  • memory/2636-28-0x00000000030D0000-0x00000000030DE000-memory.dmp

    Filesize

    56KB

  • memory/2924-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2924-10-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB