Analysis

  • max time kernel
    40s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 15:23

General

  • Target

    8547bfc210914196a129e806728296ca.exe

  • Size

    390KB

  • MD5

    8547bfc210914196a129e806728296ca

  • SHA1

    ea54c21ecfd461d7e19d5ba06d6194e2d9c45d4d

  • SHA256

    27051adfee7b49d84fb4a5a67808114d53bcdc81041f991b9aed2ddff06a716c

  • SHA512

    d40afa35d508767ffbf077e707b08ae7ca0b1a9aaec188f9d1fa422dccce1ccce137fc4fbbf4f289c1faba762a3978413ace8f3ba59ceb7300aaea20f554f5e0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe
    "C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "8547bfc210914196a129e806728296ca.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8547bfc210914196a129e806728296ca.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "8547bfc210914196a129e806728296ca.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1812

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/948-54-0x0000000000608000-0x000000000062E000-memory.dmp

    Filesize

    152KB

  • memory/948-55-0x0000000074F21000-0x0000000074F23000-memory.dmp

    Filesize

    8KB

  • memory/948-56-0x0000000000608000-0x000000000062E000-memory.dmp

    Filesize

    152KB

  • memory/948-57-0x0000000000220000-0x000000000025F000-memory.dmp

    Filesize

    252KB

  • memory/948-58-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB