Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2022 04:59

General

  • Target

    0x000a00000001313e-58.exe

  • Size

    272KB

  • MD5

    93faef710207f7739552b0c60f36f6f2

  • SHA1

    cf4e4425ccea409e2d2eec80ad20088f934bc262

  • SHA256

    8421c842d964e5eb8fd7964f29c4ed2f5d7d0f3591f8e5738b6f066037b5eabb

  • SHA512

    80b4171d2e42d38f6c7dcfa186427ffc59f1ef7c4f52690cca0394cd7fc988da480dbda1c87b1516ac730424c508088201dddd3b4a26ad1c2de9a536a06c5090

  • SSDEEP

    6144:wcCmiQfipBKWzkeHrb08rTj6aBpSYdS1wjzcoeqqD9pIx:wcXiQfipPrb08rTj6+pGWqUx

Malware Config

Extracted

Family

netwire

C2

jspowerone.cloudns.nz:8078

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    DN

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    TestLink.lnk

  • lock_executable

    false

  • mutex

    wLPvLQMO

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 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\0x000a00000001313e-58.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000a00000001313e-58.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      PID:4120

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    272KB

    MD5

    93faef710207f7739552b0c60f36f6f2

    SHA1

    cf4e4425ccea409e2d2eec80ad20088f934bc262

    SHA256

    8421c842d964e5eb8fd7964f29c4ed2f5d7d0f3591f8e5738b6f066037b5eabb

    SHA512

    80b4171d2e42d38f6c7dcfa186427ffc59f1ef7c4f52690cca0394cd7fc988da480dbda1c87b1516ac730424c508088201dddd3b4a26ad1c2de9a536a06c5090

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe
    Filesize

    272KB

    MD5

    93faef710207f7739552b0c60f36f6f2

    SHA1

    cf4e4425ccea409e2d2eec80ad20088f934bc262

    SHA256

    8421c842d964e5eb8fd7964f29c4ed2f5d7d0f3591f8e5738b6f066037b5eabb

    SHA512

    80b4171d2e42d38f6c7dcfa186427ffc59f1ef7c4f52690cca0394cd7fc988da480dbda1c87b1516ac730424c508088201dddd3b4a26ad1c2de9a536a06c5090

  • memory/4120-132-0x0000000000000000-mapping.dmp