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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 06:38

General

  • Target

    72f5de21bef8e2caaf636074c3e72720_JaffaCakes118.exe

  • Size

    252KB

  • MD5

    72f5de21bef8e2caaf636074c3e72720

  • SHA1

    bae0d8fb563355fbdc818f9d0f789ee10219e584

  • SHA256

    706472cbbdef4466daeb26f516ae07c24579394e039766f93bf7ab1bfe116e08

  • SHA512

    78045460e5d537d600f937fde73f9685578cf0dd087a86cf61127f19e24737b6054226d162e4eeb54eaa6fd23956c40ad2042de98bf71ac56b360d0be3c9d75e

  • SSDEEP

    6144:LW57hEh0jrC9DzzsDeEssXPBQA6Onn42VW0dkm4o:L47scokPPBQnOn4j0km4o

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72f5de21bef8e2caaf636074c3e72720_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\72f5de21bef8e2caaf636074c3e72720_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Local\Temp\N0ise.exe
      "C:\Users\Admin\AppData\Local\Temp\N0ise.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Users\Admin\AppData\Roaming\audiohd.exe
        "C:\Users\Admin\AppData\Roaming\audiohd.exe"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2688
      • C:\Windows\system32\WUDHost.exe
        "C:\Windows\system32\WUDHost.exe"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\N0ise.exe

    Filesize

    104KB

    MD5

    289e05dd750815644e1584a823bdd812

    SHA1

    eeca3545db3a0d884f216661044fd9db915690d1

    SHA256

    7bb7ef8e0ea623a83d5d3dd952b56b7dc04dbfca03bad6eba62afe09fbeb0552

    SHA512

    e6fb5d7b347337b3f1a1094b2dd8256c699d3a4f4fa38557e2857f5b2e10e4ee24232e79bad71a6d6c8ce2ff670e4c2bb55815757f499c27b023bfab8ec5f3d3

  • memory/2480-7-0x00007FFF51953000-0x00007FFF51955000-memory.dmp

    Filesize

    8KB

  • memory/2480-8-0x0000000000C30000-0x0000000000C50000-memory.dmp

    Filesize

    128KB

  • memory/2688-34-0x00007FFF51950000-0x00007FFF52411000-memory.dmp

    Filesize

    10.8MB

  • memory/2688-41-0x00007FFF51950000-0x00007FFF52411000-memory.dmp

    Filesize

    10.8MB