Overview

overview

10

Static

static

lAKdWjhOYMA6YfG.exe

windows7_x64

10

lAKdWjhOYMA6YfG.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    13afc1f9891355d495a626a2a7cb4e21d7dc3c29339d9ca162730ae7f097781d

  • Size

    385KB

  • Sample

    220520-2nfsrsffd7

  • MD5

    b97a86a838310932be2be42f92aa8474

  • SHA1

    9196df6d6cbb20f6a9e7472aa7a3e602a63084dc

  • SHA256

    13afc1f9891355d495a626a2a7cb4e21d7dc3c29339d9ca162730ae7f097781d

  • SHA512

    41deed6a30868813dde538b9ef85dd1c3decadfb63f01ac50b494ad19d5c8b0505aab712df10ef611b3cd7dec799a4da2f5017f41c657a20ba0468e7aa5ff926

Score
10/10
netwirebotnetevasionpersistenceratstealer

Malware Config

Extracted

Family

netwire

C2

sepp.myq-see.com:2001

Attributes
  • activex_autorun

    true

  • activex_key

    {50L4QLIK-5N0E-1U7P-5W65-RDN0R6N72FF0}

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    XdWObmml

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • startup_name

  • use_mutex

    true

Targets

    • Target

      lAKdWjhOYMA6YfG.exe

    • Size

      419KB

    • MD5

      fd175da54494e88a5777471577927264

    • SHA1

      60398520b817355b5644f4b3dfbb147638122dd2

    • SHA256

      73b0fb36b1b8763ebb06328273016c4c4c65b20d2abc3b5bb0566a6f13aa086d

    • SHA512

      ceb0f4aa2a962f5e5da4a7d5f1f50ebfb59918eb1ecaded728ae0266f1ae03e37a44f3e9dc06d1ebd5c46fc4bd1098191d5598090b3769a64ec8e369019ae7c3

    Score
    10/10
    netwirebotnetevasionpersistenceratstealer

    • NetWire RAT payload

      rat

    • Netwire

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

      botnetstealernetwire

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

      evasion

    • Modifies Installed Components in the registry

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks