Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 02:02

General

  • Target

    583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796.exe

  • Size

    23KB

  • MD5

    60d4b514cb5ead246d90995e2d0d8c60

  • SHA1

    8298077e70460b1273db1a17a113aa476015e6e9

  • SHA256

    583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796

  • SHA512

    73bbf30381bc614f06adc7fd92f473b39809d19da3c336ce5f446cd8eedf189596a97c54509a97a1858e4310da165ddc49eb926742d11a905235c21bd71eb080

  • SSDEEP

    384:21MKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZeF:2+W4V6+yDRpcnuB

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

alloushketlona99.ddns.net:80

Mutex

1a3f0c3b0fe6044acb0387f3a28547fb

Attributes
  • reg_key

    1a3f0c3b0fe6044acb0387f3a28547fb

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796.exe
    "C:\Users\Admin\AppData\Local\Temp\583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4748
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    60d4b514cb5ead246d90995e2d0d8c60

    SHA1

    8298077e70460b1273db1a17a113aa476015e6e9

    SHA256

    583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796

    SHA512

    73bbf30381bc614f06adc7fd92f473b39809d19da3c336ce5f446cd8eedf189596a97c54509a97a1858e4310da165ddc49eb926742d11a905235c21bd71eb080

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

    Filesize

    23KB

    MD5

    60d4b514cb5ead246d90995e2d0d8c60

    SHA1

    8298077e70460b1273db1a17a113aa476015e6e9

    SHA256

    583843ccdcc5a370bef5609fce9a3a466cedd7c8da5ad557c15082be774e4796

    SHA512

    73bbf30381bc614f06adc7fd92f473b39809d19da3c336ce5f446cd8eedf189596a97c54509a97a1858e4310da165ddc49eb926742d11a905235c21bd71eb080

  • memory/3260-132-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3260-133-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/3260-137-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4748-134-0x0000000000000000-mapping.dmp

  • memory/4748-138-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4748-139-0x00000000745F0000-0x0000000074BA1000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-140-0x0000000000000000-mapping.dmp