Overview

overview

10

Static

static

10

acea5fb0f0...d9.exe

windows7-x64

10

acea5fb0f0...d9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-02-2024 21:38

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General

  • Target

    acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe

  • Size

    45KB

  • MD5

    acea5fb0f0dd0ad6e33cedbaed6fdbd9

  • SHA1

    b8c8d170b78ba0f117fc13ddb1ace03efd2a8b0b

  • SHA256

    76844c2401ac24b85e662d65f5007dc193e81df6c9493963c8e09de55f98cdfa

  • SHA512

    adb12002574276b0357e5971d3fd9c7a9e57a3d34800693ce5f357d09f548051819376f669a1727db363566aa9574b11edb0fec89e55ac5c7df88275ac0f179b

  • SSDEEP

    768:RcQQj5JBXsahUBZGa1jRY+JPPtTVv04Ap+aTV5fbfts6hs/a0fC:lQj5TXgGapGoVVvB43jbfts6h70fC

Score
10/10
blacknet83pe2qtrojan

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

83pE2q

C2

http://100.26.17.80

Mutex

BN[e3f2e5808feda59aa28196]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    a1c8373d971dfcd2057c69646c6c3502

  • startup

    false

  • usb_spread

    false

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

    trojanblacknet
  • BlackNET payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe
    "C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 1.1.1.1 -n 5 -w 5000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\acea5fb0f0dd0ad6e33cedbaed6fdbd9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 5 -w 5000
        3⤵
        • Runs ping.exe
        PID:2228

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/4232-0-0x000001EF77B70000-0x000001EF77B82000-memory.dmp
    Filesize

    72KB

    Download
  • memory/4232-1-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4232-2-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-3-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-4-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-5-0x000001EF7A2B0000-0x000001EF7AA07000-memory.dmp
    Filesize

    7.3MB

    Download
  • memory/4232-6-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/4232-8-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-9-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-10-0x000001EF7A090000-0x000001EF7A0A0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4232-14-0x000001EF7A2B0000-0x000001EF7AA07000-memory.dmp
    Filesize

    7.3MB

    Download
  • memory/4232-15-0x00007FFAAEA70000-0x00007FFAAF531000-memory.dmp
    Filesize

    10.8MB

    Download