Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 00:30

General

  • Target

    1448985a2cac29977d527553951d5c04a72e9cda76f8ef1e5c7f6b61f1bdb011.exe

  • Size

    268KB

  • MD5

    6fe94326a6de6d12e8ff322ebce37560

  • SHA1

    8e40518921762b0991e85bb7bab0f5e71f3cae24

  • SHA256

    1448985a2cac29977d527553951d5c04a72e9cda76f8ef1e5c7f6b61f1bdb011

  • SHA512

    36ca899025eb73fa162c2f51516099aba335185e8b71307e179aad75d64603ae34436b4e8c57c2b2d0725aaeff29689fe8fdab183675b25570213afe59b478e0

  • SSDEEP

    3072:ZsSQrIhFDY1zuBvLen8DlZniqBXv7yOsWvgbsmIHX0WRIh:ZCMk1qFy8xZnisyOs2tHEWRe

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1448985a2cac29977d527553951d5c04a72e9cda76f8ef1e5c7f6b61f1bdb011.exe
    "C:\Users\Admin\AppData\Local\Temp\1448985a2cac29977d527553951d5c04a72e9cda76f8ef1e5c7f6b61f1bdb011.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\fiiehij.exe
      "C:\Users\Admin\fiiehij.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\fiiehij.exe

    Filesize

    268KB

    MD5

    b7572c33767fb89ba423e20688f32c04

    SHA1

    7703dd8fa86fb7fc639d60027ad8d2f0683412be

    SHA256

    caf0e79748156d74f07beae078e23d42c29f91a897cc7f719341fc5e7d9ddba1

    SHA512

    276ef82227c89eec852b412cf55bc2975389febe2d21397217560f6e653320b0f945f91528cc8a559e1fe028001b36ebf065e93258ca3a5c24ef84e0d76a879d

  • C:\Users\Admin\fiiehij.exe

    Filesize

    268KB

    MD5

    b7572c33767fb89ba423e20688f32c04

    SHA1

    7703dd8fa86fb7fc639d60027ad8d2f0683412be

    SHA256

    caf0e79748156d74f07beae078e23d42c29f91a897cc7f719341fc5e7d9ddba1

    SHA512

    276ef82227c89eec852b412cf55bc2975389febe2d21397217560f6e653320b0f945f91528cc8a559e1fe028001b36ebf065e93258ca3a5c24ef84e0d76a879d