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Overview

overview

10

Static

static

10

SharkHack.exe

windows7-x64

10

SharkHack.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    10s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2024, 13:20

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General

  • Target

    SharkHack.exe

  • Size

    3.9MB

  • MD5

    1132637cde57bdbd23fd05694713fb94

  • SHA1

    1625fe2acadbc9c8a400c69e1ca7e8afd97b56eb

  • SHA256

    5cdc56dfe73c53516cb619f44147b0f8535ab68575a8071008ad59599d5c1cb6

  • SHA512

    65bd5fdb631b33964038b972d71a4d17fa8290b3a2052fd88097e66e7a3af6fa0a7f8e1cde0ebe5867c6b5e8e923f1f6143f6f9d2dc4a0770fb785238d1f130f

  • SSDEEP

    49152:SFnCO88whwjbAlR/6QhDEvebZVLRbjgQjzK5ppnrLn6XBSOvdsW:9hTbDzhfgQSp9LSBnvdsW

Score
10/10
njratdiscoverytrojan

Malware Config

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    discovery
  • Kills process with taskkill 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SharkHack.exe
    "C:\Users\Admin\AppData\Local\Temp\SharkHack.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Users\Admin\AppData\Local\Temp\SharkHack1.exe
      "C:\Users\Admin\AppData\Local\Temp\SharkHack1.exe"
      2⤵
      • Executes dropped EXE
      PID:2028
    • C:\Users\Admin\AppData\Local\Temp\virus.exe
      "C:\Users\Admin\AppData\Local\Temp\virus.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM wscript.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2944
      • C:\Windows\SysWOW64\TASKKILL.exe
        TASKKILL /F /IM cmd.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SharkHack1.exe
    Filesize

    3.8MB

    MD5

    7751bb858985d66226a941ace018c503

    SHA1

    362db42327e8d1816ad81d5a091cefca22369905

    SHA256

    e657bb5a0896c58b62b928e59f68273182ee37105fb1068687dde462193e7fe4

    SHA512

    0bb79e1bf67853ef5138ede1d90080181432b77ba02577d186013524ad5b1fc269e0a796bc367706a309bb4217881312c94afaac6c7ce6b4013af18d438e0d87

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\virus.exe
    Filesize

    65KB

    MD5

    fc84d53be6875a39382eea9adb353c67

    SHA1

    a96e17f51749b8fd32d913bf925e733149628c43

    SHA256

    7a65e04266f22e0d68e02c6b557d22ba08c3b89d64eb5296a91e2c45e72e4203

    SHA512

    2b63bf65d9aa0922a163c4aaf0d8751d366020661695a255d78b8988e55308f0f0eac75c1781f878ae57c10b1bb1eb42b18559a8c85a464effcfab14c65ac8b1

    Download Submit

  • memory/3624-17-0x00000000749E2000-0x00000000749E3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3624-18-0x00000000749E0000-0x0000000074F91000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3624-19-0x00000000749E0000-0x0000000074F91000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3624-20-0x00000000749E2000-0x00000000749E3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3624-21-0x00000000749E0000-0x0000000074F91000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4120-16-0x0000000000400000-0x00000000007E5000-memory.dmp

    Filesize

    3.9MB

    Download