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
    124s
  • 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

    23KB

  • MD5

    a5c91c0df00109626c011eb185e94138

  • SHA1

    d79d3612639318cf0e9d8fedd9529dd1017863b5

  • SHA256

    aa918b196328f1fe341b5b48cb5d28f31a94b92b279fcf36baaea55a0a8886f1

  • SHA512

    65d929307e1266ec6bf40e8b979e39a1ac867c27f094a4e987e469a176819e4efb6904826f57938be993a5c9b674b0ee440b4f62d9254f6cffd43f4787efadf9

  • SSDEEP

    384:n8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZPb6:rY+sNKqNHnSdRpcnug6

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • 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 3 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 6 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⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\ProgramData\Raw.exe
      "C:\ProgramData\Raw.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\Raw.exe" "Raw.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Raw.exe

    Filesize

    23KB

    MD5

    a5c91c0df00109626c011eb185e94138

    SHA1

    d79d3612639318cf0e9d8fedd9529dd1017863b5

    SHA256

    aa918b196328f1fe341b5b48cb5d28f31a94b92b279fcf36baaea55a0a8886f1

    SHA512

    65d929307e1266ec6bf40e8b979e39a1ac867c27f094a4e987e469a176819e4efb6904826f57938be993a5c9b674b0ee440b4f62d9254f6cffd43f4787efadf9

  • memory/2720-12-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-14-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-15-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-0-0x0000000075042000-0x0000000075043000-memory.dmp

    Filesize

    4KB

  • memory/2816-1-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-2-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-13-0x0000000075040000-0x00000000755F1000-memory.dmp

    Filesize

    5.7MB