Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:40

General

  • Target

    6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150.exe

  • Size

    29KB

  • MD5

    2d903f5272977fe4b1b56e00eb30e512

  • SHA1

    7c6c050bccc3766e277ccf76d18c61dd6d77d5ea

  • SHA256

    6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150

  • SHA512

    fabc3bd05049d2e2c94725db09db1b24332a664df789e464990b779810978dfa3704ee709952b6eff8c818afeb7be71736ec3532f18bc14f7164fd0ac3e72acb

  • SSDEEP

    384:YRYs5l7VL9skVQ42BkSv5dAsCGmqDm+jeI7GBsbh0w4wlAokw9OhgOL1vYRGOZzy:Yx7/skCXkQossqtje3BKh0p29SgRU/

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

malak15.ddns.net:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

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

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150.exe
    "C:\Users\Admin\AppData\Local\Temp\6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    2d903f5272977fe4b1b56e00eb30e512

    SHA1

    7c6c050bccc3766e277ccf76d18c61dd6d77d5ea

    SHA256

    6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150

    SHA512

    fabc3bd05049d2e2c94725db09db1b24332a664df789e464990b779810978dfa3704ee709952b6eff8c818afeb7be71736ec3532f18bc14f7164fd0ac3e72acb

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    2d903f5272977fe4b1b56e00eb30e512

    SHA1

    7c6c050bccc3766e277ccf76d18c61dd6d77d5ea

    SHA256

    6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150

    SHA512

    fabc3bd05049d2e2c94725db09db1b24332a664df789e464990b779810978dfa3704ee709952b6eff8c818afeb7be71736ec3532f18bc14f7164fd0ac3e72acb

  • \Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    2d903f5272977fe4b1b56e00eb30e512

    SHA1

    7c6c050bccc3766e277ccf76d18c61dd6d77d5ea

    SHA256

    6c0651d4ffb403415cb0b97746dfc4c766cfa56c7596f6f402faa71c08342150

    SHA512

    fabc3bd05049d2e2c94725db09db1b24332a664df789e464990b779810978dfa3704ee709952b6eff8c818afeb7be71736ec3532f18bc14f7164fd0ac3e72acb

  • memory/744-57-0x0000000000000000-mapping.dmp

  • memory/744-64-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/744-65-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/772-62-0x0000000000000000-mapping.dmp

  • memory/1508-54-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1508-55-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB

  • memory/1508-61-0x00000000741F0000-0x000000007479B000-memory.dmp

    Filesize

    5.7MB