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Analysis

  • max time kernel
    133s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 22:45

General

  • Target

    b557f0af03b1e60938923ad40a26d8e0_JaffaCakes118.exe

  • Size

    237KB

  • MD5

    b557f0af03b1e60938923ad40a26d8e0

  • SHA1

    80f19548f4ce34ee2b62fadf360f244d998ac568

  • SHA256

    94a63d93b9266b23a006a80b05b65eee885aecba53d2eda48f920580209dbfa0

  • SHA512

    c7009bdfd7ad6c5b94ad61fa0e0ce1f8bfde9eb23c3487fee750b31a7f409e020dcb819fa3c6eb59dcb41aa38d0f6eb30d1381687ceee929cc34ca13450fe438

  • SSDEEP

    3072:QNBg56EuMelmameAJBZQJfQWzQQcvPoVrRwDHn:QNhMUmVmJfFQQcnoVy

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 3 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.

  • Checks SCSI registry key(s) 3 TTPs 10 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b557f0af03b1e60938923ad40a26d8e0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b557f0af03b1e60938923ad40a26d8e0_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Users\Admin\AppData\Local\Temp\RSPE8482.TMP\RASPPPOE.EXE
      RASPPPOE.EXE
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:400
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:532
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3128
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{c6f48062-fafc-484e-a677-5e2955d7b3a6}\NETPPPOE.INF" "9" "4f9efc093" "000000000000014C" "WinSta0\Default" "0000000000000144" "208" "C:\Users\Admin\AppData\Local\Temp\RSPE8482.TMP"
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        PID:1516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RSPE8482.TMP\NETPPPOE.INF

      Filesize

      3KB

      MD5

      78f90c645797a474c9fb6190f6e5c647

      SHA1

      a80b794d6f78c8372f9f6ace9196887934e3e7f6

      SHA256

      6711474ee2869d6fb10a2892fa4608e55a663a41b9f1c0c3f3433d41f79e95da

      SHA512

      35233a4c4ea3f9cbe964d7700210ea9a27190fdb389c0031537ca26e527193c760e60a47b162a989ffbab164b1bd5ef181184fa05c5700877ae466ff2b2f3598

    • C:\Users\Admin\AppData\Local\Temp\RSPE8482.TMP\RASPPPOE.EXE

      Filesize

      33KB

      MD5

      a145e58da9a4914d9dfd1a5ae016fa7c

      SHA1

      5506e947ae9501fc4275464192b990ba1869dcf3

      SHA256

      425a282a70b761505162353bd65b4b21da3fbe7dcf1954b37fee8e832aa2bac0

      SHA512

      3a2f8c8a6150eb5799f0a126f47732baf411790e7366f752606abc4e9afcd2e06b66ede57db66a089e074fa6d9f988b7435f336e09c65a974155c6b264bf6cbf