Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/01/2025, 09:24 UTC

General

  • Target

    3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe

  • Size

    28KB

  • MD5

    e9fb16710f37b15992af9c4bfaeb9460

  • SHA1

    7fadc03fb75f436e50122d626e6c7810cdd999eb

  • SHA256

    3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54

  • SHA512

    c90abcf36c689c29bc002a2c4931fccc286f0f903ef20fd16cf7cb5cbfadb56c474b0f2834fa4a38a17bdc91d0a370b2601fb5db8df2f16858c669821862cf04

  • SSDEEP

    384:wxRyxNhMRV29GTWqJ/tznkUxRLb7sbBTxy4P5Y/DvHAqYqs7Jhefed7nGMfS5fZL:y8wKizsJxboDQqs7JhIQG0Lu9b2eIm

Malware Config

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe
    "C:\Users\Admin\AppData\Local\Temp\3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Roaming\explore.exe
      "C:\Users\Admin\AppData\Roaming\explore.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explore.exe" "explore.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2004

Network

  • flag-us
    DNS
    davi789gtayt.duckdns.org
    explore.exe
    Remote address:
    8.8.8.8:53
    Request
    davi789gtayt.duckdns.org
    IN A
    Response
  • flag-us
    DNS
    davi789gtayt.duckdns.org
    explore.exe
    Remote address:
    8.8.8.8:53
    Request
    davi789gtayt.duckdns.org
    IN A
    Response
No results found
  • 8.8.8.8:53
    davi789gtayt.duckdns.org
    dns
    explore.exe
    140 B
    242 B
    2
    2

    DNS Request

    davi789gtayt.duckdns.org

    DNS Request

    davi789gtayt.duckdns.org

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\explore.exe

    Filesize

    28KB

    MD5

    e9fb16710f37b15992af9c4bfaeb9460

    SHA1

    7fadc03fb75f436e50122d626e6c7810cdd999eb

    SHA256

    3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54

    SHA512

    c90abcf36c689c29bc002a2c4931fccc286f0f903ef20fd16cf7cb5cbfadb56c474b0f2834fa4a38a17bdc91d0a370b2601fb5db8df2f16858c669821862cf04

  • memory/1740-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB

  • memory/1740-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-11-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-10-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-12-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-13-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-15-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-16-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-17-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

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