Overview

overview

10

Static

static

10

bc15770f9c...b0.exe

windows7-x64

1

bc15770f9c...b0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 14:53

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General

  • Target

    bc15770f9c1c0735cb5cc9d800476ab0.exe

  • Size

    76KB

  • MD5

    bc15770f9c1c0735cb5cc9d800476ab0

  • SHA1

    7700f53b4de7abcd0aa28a1989f73aad394b49bb

  • SHA256

    4054ee21cbfc210489f119c2d717ca1ae43129fc0d07aefe322fabb3b61d079f

  • SHA512

    1073a97fbd39f6d96b05d8a52f8d1e9759b879d9fcf4089f1159a3cbed55e0ca6b3da529df09bae0f1c37c259c482c7e56d279e7c0afa58c6f3cbaff615762d4

  • SSDEEP

    1536:rRJABDWoKGVG6BOiBQAh4QiObju5FBHIIMLtfn:dJ3GVGdiBQAeQiObjsFBHIbl

Score
10/10
blacknetpersistencetrojan

Malware Config

Signatures

  • BlackNET

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

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

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc15770f9c1c0735cb5cc9d800476ab0.exe
    "C:\Users\Admin\AppData\Local\Temp\bc15770f9c1c0735cb5cc9d800476ab0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 4000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\bc15770f9c1c0735cb5cc9d800476ab0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 1 -w 4000
        3⤵
        • Runs ping.exe
        PID:4424
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\winhost.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\winhost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 4000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\winhost.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4920
        • C:\Windows\system32\PING.EXE
          ping 1.1.1.1 -n 1 -w 4000
          4⤵
          • Runs ping.exe
          PID:748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\winhost.exe
    Filesize

    76KB

    MD5

    bc15770f9c1c0735cb5cc9d800476ab0

    SHA1

    7700f53b4de7abcd0aa28a1989f73aad394b49bb

    SHA256

    4054ee21cbfc210489f119c2d717ca1ae43129fc0d07aefe322fabb3b61d079f

    SHA512

    1073a97fbd39f6d96b05d8a52f8d1e9759b879d9fcf4089f1159a3cbed55e0ca6b3da529df09bae0f1c37c259c482c7e56d279e7c0afa58c6f3cbaff615762d4

    Download Submit

  • memory/1588-34-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/1588-32-0x0000000000700000-0x0000000000710000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1588-30-0x0000000000700000-0x0000000000710000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1588-28-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/1588-27-0x0000000000700000-0x0000000000710000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1588-26-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/3528-5-0x000000001C950000-0x000000001C9EC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3528-9-0x0000000001820000-0x0000000001830000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3528-8-0x0000000001820000-0x0000000001830000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3528-10-0x0000000001820000-0x0000000001830000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3528-11-0x0000000020160000-0x00000000201C2000-memory.dmp

    Filesize

    392KB

    Download

  • memory/3528-7-0x000000001CAB0000-0x000000001CAFC000-memory.dmp

    Filesize

    304KB

    Download

  • memory/3528-6-0x00000000017F0000-0x00000000017F8000-memory.dmp

    Filesize

    32KB

    Download

  • memory/3528-0-0x000000001BDF0000-0x000000001BE96000-memory.dmp

    Filesize

    664KB

    Download

  • memory/3528-3-0x000000001C370000-0x000000001C83E000-memory.dmp

    Filesize

    4.8MB

    Download

  • memory/3528-4-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/3528-31-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/3528-1-0x00007FFA2BBC0000-0x00007FFA2C561000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/3528-2-0x0000000001820000-0x0000000001830000-memory.dmp

    Filesize

    64KB

    Download