Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2024 02:17

General

  • Target

    bd0d8aaf3c8509f3170b3464a4949cf87a936c3fc1e3a16a2665b085a7046a69.exe

  • Size

    425KB

  • MD5

    b9a55c795b8b1ea38fe9a8f4549f2762

  • SHA1

    ad8ba6823cd36261f21527391ff32532ef3cbdb4

  • SHA256

    bd0d8aaf3c8509f3170b3464a4949cf87a936c3fc1e3a16a2665b085a7046a69

  • SHA512

    0ebc3b25ce7855cf0df78d6eb12adf07fc55e881d55d762e74f8638d3f9821e6e90a9daac10c8d71cf49f9ee084ffadd180c6728ab098a35c52755f64c063e01

  • SSDEEP

    12288:WquErHF6xC9D6DmR1J98w4oknqO/CyQftQYqYbLmKz:brl6kD68JmlokQfttqY2Kz

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

14 mai generateur xbox

C2

89.94.35.57:1604

Mutex

ef05e501c2e286164abf5fcaa961559f

Attributes
  • reg_key

    ef05e501c2e286164abf5fcaa961559f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • UPX dump on OEP (original entry point) 16 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • AutoIT Executable 15 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd0d8aaf3c8509f3170b3464a4949cf87a936c3fc1e3a16a2665b085a7046a69.exe
    "C:\Users\Admin\AppData\Local\Temp\bd0d8aaf3c8509f3170b3464a4949cf87a936c3fc1e3a16a2665b085a7046a69.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1124-14-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-30-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-15-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-16-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-28-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-27-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-0-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-26-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-23-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-3-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1124-29-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-17-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1124-25-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-19-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-20-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-21-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-22-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1124-24-0x0000000001350000-0x000000000144F000-memory.dmp

    Filesize

    1020KB

  • memory/1728-12-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1728-18-0x0000000074210000-0x00000000747BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-13-0x0000000074210000-0x00000000747BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-11-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1728-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1728-5-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1728-4-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB