Resubmissions

26-09-2024 06:42

240926-hgnp9ashkk 10

25-09-2024 16:40

240925-t6kwfayfph 10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 16:40

General

  • Target

    bazaar.2020.02/Backdoor.MSIL.Agent.exe

  • Size

    89KB

  • MD5

    f54eea2b9a7c0259b87a5303a526d818

  • SHA1

    641fcc96b0e288f7c5b1d0b94d6be1be2939e38e

  • SHA256

    72fd107044ae159a7a80813fe902a132f12eedd01c63fd9e506cf05e088e7491

  • SHA512

    36d1fb8553f454b1edbd719d4805e3d120b243960fb82ff640e52e3d3c9710a8761128079f981da011ad931c1117c0d7317f051bd4fd71a5bad93b7862dafde5

  • SSDEEP

    384:W8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZVPe+8tp:AY+sNKqNHnSdRpcnu+REgTK

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Backdoor.MSIL.Agent.exe
    "C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Backdoor.MSIL.Agent.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Backdoor.MSIL.Agent.exe" "Backdoor.MSIL.Agent.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2532-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/2532-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-4-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/2532-5-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-6-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB