Analysis

  • max time kernel
    143s
  • 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
    31-08-2024 13:42

General

  • Target

    cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe

  • Size

    725KB

  • MD5

    cce85c20b904b48ecce56f1e969dcf80

  • SHA1

    1a6d9a342ba4f259b3a14523d139b39c87091bac

  • SHA256

    2d1bdf894e558865433c1c8c288887fb9fd0604c0ffc82fe7b623637043c733e

  • SHA512

    51e450f60c9c15bb8e2a9497ed735ed94d5451a767bf4659d9adcd650c8a6a52283b6e2b9355e99765ecff62bd6b38cf441c8b65aa97693a82e68ac84b3f0831

  • SSDEEP

    6144:8pRY0JvIB0GMJAqgYJ91P4oV9yplVZNynvq8MBryjgJS9RXZkCr/lNHhKM/QQ8:Gtxk0eqz1Pn9ynVSn0B2jOylNHhKi

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\cce85c20b904b48ecce56f1e969dcf80_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2052
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1516
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\aTEHRFedpp.exe
      "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Users\Admin\AppData\Local\aTEHRFedpp.exe
        "C:\Users\Admin\AppData\Local\aTEHRFedpp.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\aTEHRFedpp.exe

    Filesize

    725KB

    MD5

    cce85c20b904b48ecce56f1e969dcf80

    SHA1

    1a6d9a342ba4f259b3a14523d139b39c87091bac

    SHA256

    2d1bdf894e558865433c1c8c288887fb9fd0604c0ffc82fe7b623637043c733e

    SHA512

    51e450f60c9c15bb8e2a9497ed735ed94d5451a767bf4659d9adcd650c8a6a52283b6e2b9355e99765ecff62bd6b38cf441c8b65aa97693a82e68ac84b3f0831

  • memory/540-6-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/540-2-0x0000000005400000-0x00000000059A4000-memory.dmp

    Filesize

    5.6MB

  • memory/540-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

    Filesize

    584KB

  • memory/540-4-0x0000000004EE0000-0x0000000004F20000-memory.dmp

    Filesize

    256KB

  • memory/540-5-0x0000000005040000-0x0000000005078000-memory.dmp

    Filesize

    224KB

  • memory/540-0-0x000000007493E000-0x000000007493F000-memory.dmp

    Filesize

    4KB

  • memory/540-7-0x0000000002920000-0x0000000002926000-memory.dmp

    Filesize

    24KB

  • memory/540-8-0x00000000029A0000-0x00000000029AA000-memory.dmp

    Filesize

    40KB

  • memory/540-9-0x000000007493E000-0x000000007493F000-memory.dmp

    Filesize

    4KB

  • memory/540-10-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/540-14-0x0000000074930000-0x00000000750E0000-memory.dmp

    Filesize

    7.7MB

  • memory/540-1-0x00000000004D0000-0x000000000058E000-memory.dmp

    Filesize

    760KB

  • memory/2428-18-0x0000000002AB0000-0x0000000002AE8000-memory.dmp

    Filesize

    224KB