Analysis

  • max time kernel
    120s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 13:55

General

  • Target

    739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe

  • Size

    119KB

  • MD5

    caff93afd132a28e1bd4ab2cfb4b8560

  • SHA1

    e7ee8d13f67782a01fd23116c63a5bff06993f0e

  • SHA256

    739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2af

  • SHA512

    4bacc59fffa80e17c758747cda7bb17ee832a800ea4ce253bccb1e4511f43422b2d10b0e752848d56c8da5fb6e1e560b3318ee6a518ca90f5212aa4d927c5f52

  • SSDEEP

    3072:8ZhHgkuihetm9lIiDP1TWU/rTWpYn1FdvzmIxdwbECAjIxVWj/:8XH392igU//Wo1FRQbEJjIij/

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

zayn2014.no-ip.org:5552

Mutex

50c56171c4e59c7d0e806bb89afce844

Attributes
  • reg_key

    50c56171c4e59c7d0e806bb89afce844

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 4 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 27 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe
    "C:\Users\Admin\AppData\Local\Temp\739005ddcf4e566a01a2ec1dc3c35182c14d410b8945c072ddaf8d0af89bf2afN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\Encryptado.exe
      "C:\Users\Admin\AppData\Local\Temp\Encryptado.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Users\Admin\AppData\Local\Temp\CCleaner.exe
        "C:\Users\Admin\AppData\Local\Temp\CCleaner.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\CCleaner.exe" "CCleaner.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\Encryptado.exe

    Filesize

    23KB

    MD5

    f58160012fc4d8020a715a863eccf38c

    SHA1

    0bbf87929058755b44b5b62853db51d9b58ae491

    SHA256

    17abbf270d47965cc81f2ab200d015ca14f3d1d2a189744cb017f9452e7f610e

    SHA512

    bd6101c307f8c6a0c993aa173c0f596bd9d762a560b6f6e4f3f5700280ba2269f0340c006312ee40727a640790aa13ac12f2fe2341271866dcfb2535d4060c0a

  • memory/2356-7-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-2-0x00000000003A0000-0x00000000003AE000-memory.dmp

    Filesize

    56KB

  • memory/2356-3-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-4-0x0000000000520000-0x0000000000536000-memory.dmp

    Filesize

    88KB

  • memory/2356-6-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-0-0x000000007470E000-0x000000007470F000-memory.dmp

    Filesize

    4KB

  • memory/2356-1-0x0000000000EB0000-0x0000000000ECE000-memory.dmp

    Filesize

    120KB

  • memory/2356-14-0x0000000074700000-0x0000000074DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2860-15-0x000000006E7F1000-0x000000006E7F2000-memory.dmp

    Filesize

    4KB

  • memory/2860-16-0x000000006E7F0000-0x000000006ED9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-17-0x000000006E7F0000-0x000000006ED9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2860-25-0x000000006E7F0000-0x000000006ED9B000-memory.dmp

    Filesize

    5.7MB