Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 13:58

General

  • Target

    f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe

  • Size

    23KB

  • MD5

    9c691e60b7ffdaec80cb169114b784f2

  • SHA1

    1d7df5d95f0e4ff3c5825c4aed7d3838d0c02f1e

  • SHA256

    f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf

  • SHA512

    84b9f8c7de1107f95c3833d0e556bbdffeafc33da9346ccc66d080e05b16946e048f271d6a84649792d1847ffb805b0ab24402d25d4eca2a77e2f9e80bc67264

  • SSDEEP

    384:dcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZiC:O30py6vhxaRpcnuy

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\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe
    "C:\Users\Admin\AppData\Local\Temp\f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.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:4676
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    23KB

    MD5

    9c691e60b7ffdaec80cb169114b784f2

    SHA1

    1d7df5d95f0e4ff3c5825c4aed7d3838d0c02f1e

    SHA256

    f489cba00e6d7bc606ea137f639ac40baca8871474066bec0a839fae75de4eaf

    SHA512

    84b9f8c7de1107f95c3833d0e556bbdffeafc33da9346ccc66d080e05b16946e048f271d6a84649792d1847ffb805b0ab24402d25d4eca2a77e2f9e80bc67264

  • memory/1548-0-0x0000000074F92000-0x0000000074F93000-memory.dmp

    Filesize

    4KB

  • memory/1548-1-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB

  • memory/1548-2-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB

  • memory/1548-12-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB

  • memory/4676-13-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB

  • memory/4676-14-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB

  • memory/4676-15-0x0000000074F90000-0x0000000075541000-memory.dmp

    Filesize

    5.7MB