Analysis

  • max time kernel
    73s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 12:00

General

  • Target

    bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe

  • Size

    249KB

  • MD5

    325ad9cb87d12330e7fc94507282f799

  • SHA1

    7e34a218700dcfc430a631cf64c72e9f0d2d39f7

  • SHA256

    bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30

  • SHA512

    47e75f47147dc919e808f70182decee3c3ee25391ad4a9672dc4fac88dbc80e684e53beba9afdb7946b019a6a623ab1f6012cba9265a178da52724cfa333a5e4

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\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe
    "C:\Users\Admin\AppData\Local\Temp\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "bac663f2a8d3a67131c6098f1864cbdd03eacee21b66a20591980f01456cab30.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/912-54-0x0000000001158000-0x0000000001180000-memory.dmp

    Filesize

    160KB

  • memory/912-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

  • memory/912-56-0x0000000001158000-0x0000000001180000-memory.dmp

    Filesize

    160KB

  • memory/912-57-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/912-58-0x0000000000400000-0x0000000000F9C000-memory.dmp

    Filesize

    11.6MB

  • memory/1216-59-0x0000000000000000-mapping.dmp

  • memory/2008-60-0x0000000000000000-mapping.dmp