Analysis

  • max time kernel
    35s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:21

General

  • Target

    5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe

  • Size

    443KB

  • MD5

    5f2d4cc6962b940f3e773e11c86d00cd

  • SHA1

    309e3fd0ed83381cf40e1b3f01b0edbef0563a13

  • SHA256

    5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0

  • SHA512

    f3871857c3c6806e1da7e0b391f281fffc93a111072e8b978cef75141c8012b1bab0019d717dfc80b912f8f47357a057ca3ec2a14faf8c2d93fa1f2426518ce4

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\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe
    "C:\Users\Admin\AppData\Local\Temp\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5f8160c6b2a2e6bb7c4555fc6bf61865a26674963f826d0e556ef5f4e97e3ec0.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1680-58-0x0000000000000000-mapping.dmp

  • memory/1708-54-0x0000000074E91000-0x0000000074E93000-memory.dmp

    Filesize

    8KB

  • memory/1708-56-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/1708-55-0x00000000010AB000-0x00000000010D3000-memory.dmp

    Filesize

    160KB

  • memory/1708-57-0x0000000000400000-0x0000000000C4B000-memory.dmp

    Filesize

    8.3MB

  • memory/2004-59-0x0000000000000000-mapping.dmp