Analysis

  • max time kernel
    134s
  • max time network
    140s
  • 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 04:45

General

  • Target

    84d35ec0d6aec982bde17e06334a7ad4_JaffaCakes118.exe

  • Size

    101KB

  • MD5

    84d35ec0d6aec982bde17e06334a7ad4

  • SHA1

    275a5c9ddf386b02b26a7fcec77dff9f6ca843af

  • SHA256

    40e3e55fe81432c17f8bf194c2cc524835031ab21e36902ac14b1f75bf5463fa

  • SHA512

    b9fe7dcd14fb18112a7112164d2df5d62afd740054dcf5da771543aa08150fd158ab4d6b3dc09fe7a66426aa64a48430d47e09703895f3dc37bf42ba1605cce2

  • SSDEEP

    1536:nD+qv+zI1xnV+x3/zHwyyR/pLNfCiLvwWfCHcAWmdXMwmL:n/r1ZVI3/p6/pxflDq82MhL

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84d35ec0d6aec982bde17e06334a7ad4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84d35ec0d6aec982bde17e06334a7ad4_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 232
        3⤵
        • Program crash
        PID:2688
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3040 -ip 3040
    1⤵
      PID:4876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\server.exe

      Filesize

      67KB

      MD5

      7f7c4774d29cb26a53d487e9a97a7215

      SHA1

      e5547604db4153babb981b2eba7f1a0c6bf0f767

      SHA256

      cd5c121fa48e72f2745c3a715400587bc1cbe2d36366849c203ccb6a154a6859

      SHA512

      1ec0f70b51c0b51fe598b78b16a3d9064e82d50c22741e0471706937aec0dabc88a341a1952f9ce09a4b3a07f720523890356bab6c8a663ad75fc6361c7bbf18

    • memory/2412-17-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/3040-16-0x0000000000970000-0x0000000000980000-memory.dmp

      Filesize

      64KB