Analysis

  • max time kernel
    35s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 16:17

General

  • Target

    a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe

  • Size

    350KB

  • MD5

    6559ad197f16d83cf36f61f415b4c72b

  • SHA1

    9469bbd33c6109d88f5d2aabc26e70dbb3c77735

  • SHA256

    a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033

  • SHA512

    5e57fd30a452ce7025458f6bbfe43245a7e3c77eaa980ad48097c56c296cb65d77224f730cd69837b0291c7f7acfd794d60314655f4f90c77324619e2cd51a80

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\a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe
    "C:\Users\Admin\AppData\Local\Temp\a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1384
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a1c6482b09a88afc310e669271bd2b18214cd462e69394d65375452c77ae9033.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1620-54-0x0000000075951000-0x0000000075953000-memory.dmp

    Filesize

    8KB

  • memory/1620-55-0x0000000000DED000-0x0000000000E15000-memory.dmp

    Filesize

    160KB

  • memory/1620-56-0x0000000000230000-0x0000000000276000-memory.dmp

    Filesize

    280KB

  • memory/1620-57-0x0000000000400000-0x0000000000C31000-memory.dmp

    Filesize

    8.2MB