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Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 08:36

General

  • Target

    fa13973fbe1242a9c35c6eb29f6c451d_JaffaCakes118.exe

  • Size

    183KB

  • MD5

    fa13973fbe1242a9c35c6eb29f6c451d

  • SHA1

    4b2131058fee9ee5b8b362b66854ac52e34ede8c

  • SHA256

    9fd2e5eb1f2bde085b8a1229a10062293bb0a9eac096f15b94401166a7995e38

  • SHA512

    f3c9fe048cf535d1bbae52da5d0fbbc7c16331b3410897e4d8e024eef215f4d5da85b10c6c976594b0abf04d0325a897dbc5573d81ae745c9a79d4991e444456

  • SSDEEP

    3072:mhOTFkw20+9FmwSh8HJvJkIS0KixLz6LUcMGgJzKY8n0tavrjU:X20+Hmhh8cb0vp6LYrAzdDj

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • 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 2 IoCs
  • Suspicious use of SetThreadContext 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa13973fbe1242a9c35c6eb29f6c451d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa13973fbe1242a9c35c6eb29f6c451d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Users\Admin\AppData\Local\Temp\Server.exe
        C:\Users\Admin\AppData\Local\Temp\Server.exe
        3⤵
        • Executes dropped EXE
        PID:4496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 12
          4⤵
          • Program crash
          PID:4520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4496 -ip 4496
    1⤵
      PID:1240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      61KB

      MD5

      4322b83800b84808639e205c0b28f8b1

      SHA1

      bca88869c00fcc72b545453c03f110357b539f10

      SHA256

      897d010ae0336c60bab676b749c8e885df169f9597f9165049b9e716dd261675

      SHA512

      52e54315fc5b60ce14b16253e00a50c73a2af64cc5180de0fc0c5d916bb5d8b3af9b3bc5f067e7387bd069d46c23123c302ba020331d7d56847e158b37d688dc

    • memory/2948-11-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/4496-9-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB