Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-04-2022 12:54

General

  • Target

    65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe

  • Size

    392KB

  • MD5

    2efec2dc8a4fc089b5d9727c390c7e87

  • SHA1

    0ebc7c12d02e1d717c64ae82c2b6d59826f989c7

  • SHA256

    65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac

  • SHA512

    e68025a4bb9639073b874f4eaf2566ffbb17c2b339d984ac3d9e2fc9e97848bf855b27dda212c18add383d929e41e2d0ec401064be201f1b5f8ed3aa2f0ae842

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 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.

  • Program crash 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe
    "C:\Users\Admin\AppData\Local\Temp\65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "65e7cd17a891b2f4866a7299a6edb9a202588af2c3ce7c64b35d80505c7101ac.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 1252
      2⤵
      • Program crash
      PID:4080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 492 -ip 492
    1⤵
      PID:3344

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/492-130-0x00000000033A8000-0x00000000033D0000-memory.dmp

      Filesize

      160KB

    • memory/492-131-0x00000000033A8000-0x00000000033D0000-memory.dmp

      Filesize

      160KB

    • memory/492-132-0x0000000004D30000-0x0000000004D76000-memory.dmp

      Filesize

      280KB

    • memory/492-133-0x0000000000400000-0x0000000002FEE000-memory.dmp

      Filesize

      43.9MB