Analysis

  • max time kernel
    90s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2022 18:35

General

  • Target

    b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.exe

  • Size

    4.9MB

  • MD5

    c57e3b048bdd217211df9f8122dc176a

  • SHA1

    bc2fe0f6099979af070f1b6cc34d178b56f87b81

  • SHA256

    b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94

  • SHA512

    4b46ef5ac47ae764e4c4387f35e26af50bc7b4b872d8944bb8053ff88b6d98417c516a392162e045eff79120c3740e0d1777b66563cc1ed9c2d3913a19d16e25

  • SSDEEP

    98304:qLZTxknud0cHt7yJ1m7az/5QAL86zTtjTePgR1pCNcVWTVNxtr/M:2ZAue4Yjm7az/5QAA6zxneYB0cV4LpM

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.exe
    "C:\Users\Admin\AppData\Local\Temp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3288
    • C:\Users\Admin\AppData\Local\Temp\is-F9UOG.tmp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-F9UOG.tmp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.tmp" /SL5="$901DC,4877149,52224,C:\Users\Admin\AppData\Local\Temp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.exe"
      2⤵
      • Executes dropped EXE
      PID:536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-F9UOG.tmp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.tmp

    Filesize

    662KB

    MD5

    b45570ddb00885bfe9e878af91a90564

    SHA1

    66daf059333962a65735999e99eb868cf9d5e832

    SHA256

    29fedae831f5b1704e5b53351cd6b8d33a21b7971894a9d0385895d7662e264f

    SHA512

    84350f30f9372be749fa244190b7d35a02aa2ce1ded9b45d89c29135a384e1170a54ef1af7004836ab9c30770a44f7e085b0cb238786a6d93d7e8cdec993d768

  • C:\Users\Admin\AppData\Local\Temp\is-F9UOG.tmp\b086c61f2e22dd5303705932864f383612bf68984615698f6d3f8f152d3eaf94.tmp

    Filesize

    662KB

    MD5

    b45570ddb00885bfe9e878af91a90564

    SHA1

    66daf059333962a65735999e99eb868cf9d5e832

    SHA256

    29fedae831f5b1704e5b53351cd6b8d33a21b7971894a9d0385895d7662e264f

    SHA512

    84350f30f9372be749fa244190b7d35a02aa2ce1ded9b45d89c29135a384e1170a54ef1af7004836ab9c30770a44f7e085b0cb238786a6d93d7e8cdec993d768

  • memory/3288-132-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3288-137-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB