Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 02:14

General

  • Target

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a.exe

  • Size

    160KB

  • MD5

    9fe7379c8a0a17a30599135aa45de063

  • SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

  • SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

  • SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

  • SSDEEP

    3072:f5PvaDd6GrJZe4X7jHsvfIN+1Vh/UtVmiljWMzrZI6vKi0JEswBb4kAlmVs4Jo0x:f0PsX1Fu8iLn

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

masterhaxor786.no-ip.biz:2266

Mutex

3aa149aec61c967d02e94eaa12efb196

Attributes
  • reg_key

    3aa149aec61c967d02e94eaa12efb196

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a.exe
    "C:\Users\Admin\AppData\Local\Temp\9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a.exe
      "C:\Users\Admin\AppData\Local\Temp\9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          "C:\Users\Admin\AppData\Local\Temp\server.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            PID:1660

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

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

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

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

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

  • \Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

  • \Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

  • \Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    160KB

    MD5

    9fe7379c8a0a17a30599135aa45de063

    SHA1

    ad281660a1d5f129270df4b75dcf493d5a15dcc1

    SHA256

    9db196d8a6e32e728dbf851f2eeccce0dc7ccff6219ab76ade9b9fe7e2a2398a

    SHA512

    186a90132873c4dce99156b0ce456b2ea78989a2eeb7c33adc9caf7f2c0dbc246bfcbb31436878a96222217f41f88d2a59445cc33617d202b14f0453eb371262

  • memory/908-58-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-65-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-56-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-61-0x000000000040748E-mapping.dmp
  • memory/908-55-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-59-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-78-0x0000000074690000-0x0000000074C3B000-memory.dmp
    Filesize

    5.7MB

  • memory/908-60-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/908-68-0x0000000074690000-0x0000000074C3B000-memory.dmp
    Filesize

    5.7MB

  • memory/908-63-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

  • memory/1212-86-0x0000000074690000-0x0000000074C3B000-memory.dmp
    Filesize

    5.7MB

  • memory/1212-71-0x0000000000000000-mapping.dmp
  • memory/1660-92-0x0000000000000000-mapping.dmp
  • memory/1960-54-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

  • memory/1960-67-0x0000000074690000-0x0000000074C3B000-memory.dmp
    Filesize

    5.7MB

  • memory/2044-94-0x0000000074610000-0x0000000074BBB000-memory.dmp
    Filesize

    5.7MB

  • memory/2044-83-0x000000000040748E-mapping.dmp
  • memory/2044-91-0x0000000074610000-0x0000000074BBB000-memory.dmp
    Filesize

    5.7MB