Analysis

  • max time kernel
    204s
  • max time network
    87s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:40

General

  • Target

    0261ae7bcfa532e3492cb55acc4de4df60cfedfdce553617ae8801b1b8006f08.exe

  • Size

    616KB

  • MD5

    93bc0b0789dc983fd4d3b1f099d6ca06

  • SHA1

    519f983007ec0e3aaf2bd5274a38dfcb861833fe

  • SHA256

    0261ae7bcfa532e3492cb55acc4de4df60cfedfdce553617ae8801b1b8006f08

  • SHA512

    3fa9207476b52a59c0e59eaa6e38290be85eaf5a8bb102b578a87e19c621c6b790fd6cef7bd7b2597080fe5d51c07cbacc8e01efecaa1c5dc56f8a3137adcdb7

  • SSDEEP

    12288:0sg+XyCpWKqKqKqKqKzKqKqKqKqKltoHGGrjko2N5mZU:6+XGqHG+jko2KZ

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

jafares.ddns.net:1177

Mutex

85ce27c90f0ba2b98ceb888e2ca7acde

Attributes
  • reg_key

    85ce27c90f0ba2b98ceb888e2ca7acde

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 4 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 2 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0261ae7bcfa532e3492cb55acc4de4df60cfedfdce553617ae8801b1b8006f08.exe
    "C:\Users\Admin\AppData\Local\Temp\0261ae7bcfa532e3492cb55acc4de4df60cfedfdce553617ae8801b1b8006f08.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe
      "C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1248
      • C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe
        C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:752
        • C:\Users\Admin\AppData\Local\Temp\google.exe
          "C:\Users\Admin\AppData\Local\Temp\google.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:436
          • C:\Users\Admin\AppData\Local\Temp\google.exe
            C:\Users\Admin\AppData\Local\Temp\google.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1516
            • C:\Windows\SysWOW64\netsh.exe
              netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\google.exe" "google.exe" ENABLE
              6⤵
              • Modifies Windows Firewall
              PID:1152

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\LocalFEnUgqRZUM.exe
    Filesize

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

  • C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe
    Filesize

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

  • C:\Users\Admin\AppData\LocalFEnUgqRZUM.exe
    Filesize

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

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

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

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

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

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

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

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

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

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

    350KB

    MD5

    39669e5a0b4e4b6b569fb204b6b9eedf

    SHA1

    6b305e9240d5ace4aeb6a528501b7b40b20423b5

    SHA256

    8ffd0ede4e3f0b6d033146cbb6b1b5126e9170707732eeeb46ede3b35d187883

    SHA512

    ef76621c91f80dd7bbf3adc766bc4aaa1252be1b81c0715004a6f7d5fcd71e3bf9384ff25b34eb6b24a0aca691c84295fde6f6e65d3abc2e73d0534bb38ca6c0

  • memory/436-76-0x0000000001140000-0x000000000119E000-memory.dmp
    Filesize

    376KB

  • memory/436-86-0x00000000049D5000-0x00000000049E6000-memory.dmp
    Filesize

    68KB

  • memory/436-91-0x00000000049D5000-0x00000000049E6000-memory.dmp
    Filesize

    68KB

  • memory/436-73-0x0000000000000000-mapping.dmp
  • memory/752-63-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/752-64-0x0000000000408AFE-mapping.dmp
  • memory/752-67-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/752-69-0x0000000000400000-0x000000000040E000-memory.dmp
    Filesize

    56KB

  • memory/1152-87-0x0000000000000000-mapping.dmp
  • memory/1248-71-0x0000000004865000-0x0000000004876000-memory.dmp
    Filesize

    68KB

  • memory/1248-62-0x00000000002B0000-0x00000000002BA000-memory.dmp
    Filesize

    40KB

  • memory/1248-61-0x0000000074D71000-0x0000000074D73000-memory.dmp
    Filesize

    8KB

  • memory/1248-60-0x0000000000A10000-0x0000000000A6E000-memory.dmp
    Filesize

    376KB

  • memory/1248-56-0x0000000000000000-mapping.dmp
  • memory/1248-90-0x0000000004865000-0x0000000004876000-memory.dmp
    Filesize

    68KB

  • memory/1516-80-0x0000000000408AFE-mapping.dmp
  • memory/1516-92-0x00000000005A0000-0x00000000005E0000-memory.dmp
    Filesize

    256KB

  • memory/1516-93-0x00000000005A0000-0x00000000005E0000-memory.dmp
    Filesize

    256KB

  • memory/1932-54-0x000007FEF3BD0000-0x000007FEF45F3000-memory.dmp
    Filesize

    10.1MB

  • memory/1932-59-0x000000001AE00000-0x000000001AE10000-memory.dmp
    Filesize

    64KB

  • memory/1932-55-0x000007FEFB991000-0x000007FEFB993000-memory.dmp
    Filesize

    8KB