Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 16:08

General

  • Target

    e2a6ef91a504d25344b262cbc9227dae.exe

  • Size

    391KB

  • MD5

    e2a6ef91a504d25344b262cbc9227dae

  • SHA1

    40c8d448535184d15911d92c604e664101a54795

  • SHA256

    26d46c6b97e45b6d82e5c47ed3725fed18d6c9113b1f7bcbe5b880e562a95863

  • SHA512

    d754847b86da66d4ef7d7cfe19ca436371dcda2c2417b1e915980f7bf3d51792846a733682f918879b7b42949f2593fa4de802a891d5ad268c9f647a5e9c6e83

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\e2a6ef91a504d25344b262cbc9227dae.exe
    "C:\Users\Admin\AppData\Local\Temp\e2a6ef91a504d25344b262cbc9227dae.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "e2a6ef91a504d25344b262cbc9227dae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e2a6ef91a504d25344b262cbc9227dae.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "e2a6ef91a504d25344b262cbc9227dae.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1148-56-0x0000000000000000-mapping.dmp

  • memory/1172-60-0x0000000000000000-mapping.dmp

  • memory/1460-54-0x0000000000608000-0x000000000062E000-memory.dmp

    Filesize

    152KB

  • memory/1460-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

  • memory/1460-57-0x0000000000608000-0x000000000062E000-memory.dmp

    Filesize

    152KB

  • memory/1460-58-0x0000000000250000-0x000000000028F000-memory.dmp

    Filesize

    252KB

  • memory/1460-59-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB