Analysis

  • max time kernel
    40s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:21

General

  • Target

    a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe

  • Size

    218KB

  • MD5

    01234f83e249a01fbfab92904f81baa7

  • SHA1

    3936f61c42775c4b2f872b4827d04225da1bb10c

  • SHA256

    a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb

  • SHA512

    70b46671d4c98c12f1545bd22bd943ffd7d8c3651533203172128e598edd2ea425cee8d14024099cb706069db21ff0cc7e37aa48838005c1875c1104415f56ad

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\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
    "C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1720
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/852-60-0x0000000000000000-mapping.dmp

  • memory/1720-59-0x0000000000000000-mapping.dmp

  • memory/1952-54-0x00000000010A8000-0x00000000010D0000-memory.dmp

    Filesize

    160KB

  • memory/1952-55-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

    Filesize

    8KB

  • memory/1952-57-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/1952-56-0x00000000010A8000-0x00000000010D0000-memory.dmp

    Filesize

    160KB

  • memory/1952-58-0x0000000000400000-0x0000000000F94000-memory.dmp

    Filesize

    11.6MB