Analysis

  • max time kernel
    62s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-05-2022 21:52

General

  • Target

    040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe

  • Size

    228KB

  • MD5

    25ffd014be7d902150585bf3c615929a

  • SHA1

    19a8715cda81e2fa304783dd6fa6eea56e9a4638

  • SHA256

    040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e

  • SHA512

    9f00bfe4831b33223b571c871294b680707620ae9b7bf78d87dbd959e279d794125e0ff90891f936391489243591491304efb5fa801cb80bd2a38fbae12152a9

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\040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe
    "C:\Users\Admin\AppData\Local\Temp\040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "040935ba44fc55d20289081bd1089cb8221f8f317b9ff1679048f7cd262b331e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1488

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1488-60-0x0000000000000000-mapping.dmp

  • memory/1664-59-0x0000000000000000-mapping.dmp

  • memory/1900-54-0x0000000000308000-0x0000000000330000-memory.dmp

    Filesize

    160KB

  • memory/1900-55-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

    Filesize

    8KB

  • memory/1900-56-0x0000000000308000-0x0000000000330000-memory.dmp

    Filesize

    160KB

  • memory/1900-57-0x00000000001B0000-0x00000000001F6000-memory.dmp

    Filesize

    280KB

  • memory/1900-58-0x0000000000400000-0x0000000000F96000-memory.dmp

    Filesize

    11.6MB