Analysis

  • max time kernel
    40s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 12:00

General

  • Target

    3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe

  • Size

    231KB

  • MD5

    5cb1e75311bd45338d7c3daff1d841f2

  • SHA1

    460b6a6a4231419e241b6c82143cf763695d9116

  • SHA256

    3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8

  • SHA512

    96cdf98c78633319a3874f958a7c79944ecc9c6eb8e854df96503ebf645ecb391236f72312fa3bf61528997162c59b1ff5b5d3e9dc2949e2c5c7cc1954cce57d

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • 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\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
    "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/340-59-0x0000000000000000-mapping.dmp

  • memory/784-54-0x0000000001128000-0x0000000001150000-memory.dmp

    Filesize

    160KB

  • memory/784-55-0x0000000076391000-0x0000000076393000-memory.dmp

    Filesize

    8KB

  • memory/784-57-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/784-56-0x0000000001128000-0x0000000001150000-memory.dmp

    Filesize

    160KB

  • memory/784-58-0x0000000000400000-0x0000000000F97000-memory.dmp

    Filesize

    11.6MB

  • memory/1984-60-0x0000000000000000-mapping.dmp