Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2024 16:01

General

  • Target

    7B1809B4AA561D6A694744164831856A.exe

  • Size

    23KB

  • MD5

    7b1809b4aa561d6a694744164831856a

  • SHA1

    efa9b84a0e9f0c8ae1dd1fb0c7b28366ca3c04bf

  • SHA256

    f44f9ca899f0ac7efc49d491703f249b86f4863914baddd8cedeb3646d0086ae

  • SHA512

    ad3dbf695d19b9224f23af11793a2520a7717b8b545b4561046bd033161e13a11286374b0f17234aacf9247864c106db5323e2327f10b885a98ec62b44f55afe

  • SSDEEP

    384:HY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3tVmRvR6JZlbw8hqIusZzZaA:QL2s+tRdRpcnuk

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7B1809B4AA561D6A694744164831856A.exe
    "C:\Users\Admin\AppData\Local\Temp\7B1809B4AA561D6A694744164831856A.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\7B1809B4AA561D6A694744164831856A.exe" "7B1809B4AA561D6A694744164831856A.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2276

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2340-0-0x0000000074CD0000-0x000000007527B000-memory.dmp
    Filesize

    5.7MB

  • memory/2340-2-0x0000000000710000-0x0000000000750000-memory.dmp
    Filesize

    256KB

  • memory/2340-1-0x0000000074CD0000-0x000000007527B000-memory.dmp
    Filesize

    5.7MB

  • memory/2340-3-0x0000000074CD0000-0x000000007527B000-memory.dmp
    Filesize

    5.7MB

  • memory/2340-4-0x0000000074CD0000-0x000000007527B000-memory.dmp
    Filesize

    5.7MB

  • memory/2340-5-0x0000000000710000-0x0000000000750000-memory.dmp
    Filesize

    256KB