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Overview

overview

10

Static

static

3

5de9dcc57b...18.exe

windows7-x64

10

5de9dcc57b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2024, 17:58

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General

  • Target

    5de9dcc57b578bf915e553ae272269dc_JaffaCakes118.exe

  • Size

    684KB

  • MD5

    5de9dcc57b578bf915e553ae272269dc

  • SHA1

    162ef6514901b7783261eb12f68f8798dc0e8f3d

  • SHA256

    5b14d9674cbd536403423c9822182497469034a86ad12ced50ab02bdc9166cce

  • SHA512

    98f2d30c39ef4706ed95579dfccf6e6637b5643c06c41dcc0dd4f61f6628f1d9691684b92699045b80486313fbb9d076e734419d83e31a036c36a1e30cd7dff5

  • SSDEEP

    6144:XkKRDBCU++To9SLXGvRitOcpuAtk42a85SZvmSj/IHhiohh0RZHy4Y4uGtBzcVT:PgSLGI4AgJ5SZ9QHhhCXqGPz

Score
10/10
blacknetd7tj7vdiscoveryevasiontrojan

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

D7tJ7v

C2

http://officialcomerce1.xyz/lee

Mutex

BN[f9a1b17a]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    e162b1333458a713bc6916cc8ac4110c

  • startup

    false

  • usb_spread

    false

Signatures

  • BlackNET

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

    trojanblacknet
  • BlackNET payload 5 IoCs
  • Contains code to disable Windows Defender 5 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5de9dcc57b578bf915e553ae272269dc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5de9dcc57b578bf915e553ae272269dc_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TiqvqaWbL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2748
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:2588
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ping 1.1.1.1 -n 5 -w 5000 > Nul & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:2940
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 5 -w 5000
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA3E.tmp
      Filesize

      1KB

      MD5

      421e39bc4f290945b14bd0e71c540ea9

      SHA1

      858c802c4e5d693bca6f31e3f3294ac6d7922ca2

      SHA256

      011c1592cf913d4f5573d5df748afb2b3b76dc9209c6022ee2cf02a6bf14ab84

      SHA512

      1e0f9b3c8fb1b36e6c02aef3277f3be1eaf047203b0c93762a62108c485ea87d9d213a5864599af40af599c622aa0461cde82e9b6a41d1c883d85d652507f279

      Download Submit

    • memory/1640-25-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1640-1-0x0000000000B90000-0x0000000000C42000-memory.dmp

      Filesize

      712KB

      Download

    • memory/1640-2-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1640-3-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1640-4-0x0000000000B10000-0x0000000000B18000-memory.dmp

      Filesize

      32KB

      Download

    • memory/1640-5-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1640-6-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/1640-7-0x0000000007FC0000-0x0000000008036000-memory.dmp

      Filesize

      472KB

      Download

    • memory/1640-8-0x00000000042D0000-0x00000000042F8000-memory.dmp

      Filesize

      160KB

      Download

    • memory/1640-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2616-12-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2616-17-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-16-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-14-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-22-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-24-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-26-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/2616-20-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

      Download

    • memory/2616-27-0x0000000074B40000-0x000000007522E000-memory.dmp

      Filesize

      6.9MB

      Download