Analysis

  • max time kernel
    36s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 12:01

General

  • Target

    4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe

  • Size

    324KB

  • MD5

    e69a4717327c0b353aa37aeb7bc141c4

  • SHA1

    8720f0de7a1df2d56f7fc9742905a04655b41888

  • SHA256

    4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0

  • SHA512

    8c3767c40a3c49efa9c46c725ffce000835de2abee053925c063d54025da4f7fb3a7ac168c0a668320b04d41697f887522b45a4d24e3743c98d1594fecf7bb48

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\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe
    "C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:552
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "4d54ceb5fc9968c6366e9438aaf6b8ca6da592dd60c28f7a028a4322ae7647a0.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1532-54-0x0000000076241000-0x0000000076243000-memory.dmp

    Filesize

    8KB

  • memory/1532-56-0x00000000002E0000-0x0000000000326000-memory.dmp

    Filesize

    280KB

  • memory/1532-55-0x0000000000CFA000-0x0000000000D22000-memory.dmp

    Filesize

    160KB

  • memory/1532-57-0x0000000000400000-0x0000000000C2B000-memory.dmp

    Filesize

    8.2MB