Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:22

General

  • Target

    502c38f54b01688651bd26f094e2d9232fdc6543ec14093df08b65b1ef59241a.exe

  • Size

    200KB

  • MD5

    9ee48d8afb2c002eaa09dc4c0ad146b7

  • SHA1

    c74eafe6486255a5aa364b20eee48abfcf844d7e

  • SHA256

    502c38f54b01688651bd26f094e2d9232fdc6543ec14093df08b65b1ef59241a

  • SHA512

    f633de0fb275aa4a01db1398071938f6d26339935287459dfbe525d798c8968d15211a8060da111449b2d626651c2d58cde754882ed8c65c6cf17a7143074f18

  • SSDEEP

    3072:0HlM7TYmySIQIvuxbj5rEnAZrq+8hwdnOLm4AAwAEi82V/p3WkPBN:0z7mBsAhOwQa9j12V/p3v7

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

muzikas.no-ip.biz:9999

Mutex

8ea61e262c64e6422375b1a90140a45e

Attributes
  • reg_key

    8ea61e262c64e6422375b1a90140a45e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 3 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\502c38f54b01688651bd26f094e2d9232fdc6543ec14093df08b65b1ef59241a.exe
    "C:\Users\Admin\AppData\Local\Temp\502c38f54b01688651bd26f094e2d9232fdc6543ec14093df08b65b1ef59241a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\test.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\test.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:820
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GATHER~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GATHER~1.EXE
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1200

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GATHER~1.EXE

    Filesize

    272KB

    MD5

    4cc362cac0eafe0adaef1d1c67588c85

    SHA1

    dbb1ee3b9f187260a24c32ab0d457ecee6b822d1

    SHA256

    022aac98a49ebe5e4e6c6b2c2517f800ca1c2c7c786044f7dfee005c279931b0

    SHA512

    06e7f5ce7d9b803582a228640f26d217d54527e22bedd8a3bc912caf27d7108d615c90116ab700fa1a59cf737bd672b83632a023f1c3ae5c9281b471cdc19bfd

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GATHER~1.EXE

    Filesize

    272KB

    MD5

    4cc362cac0eafe0adaef1d1c67588c85

    SHA1

    dbb1ee3b9f187260a24c32ab0d457ecee6b822d1

    SHA256

    022aac98a49ebe5e4e6c6b2c2517f800ca1c2c7c786044f7dfee005c279931b0

    SHA512

    06e7f5ce7d9b803582a228640f26d217d54527e22bedd8a3bc912caf27d7108d615c90116ab700fa1a59cf737bd672b83632a023f1c3ae5c9281b471cdc19bfd

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\test.exe

    Filesize

    454KB

    MD5

    f192ff9e864d57fb3bb16aa9aff07a0e

    SHA1

    72a7112d58c82c02e080fac00dee6f247f371768

    SHA256

    d63149bb2d6c300f623c866ed6850fc7730503e169c9da87a763cb5b80d67289

    SHA512

    6145ef747e570500b1998c5ead48749b18c8945fca65fbdfc85edecd2f30d57ff59af68bc3607779b5d4cf3c42e7465de46a9671e1da8f638bd64911a152b943

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\test.exe

    Filesize

    454KB

    MD5

    f192ff9e864d57fb3bb16aa9aff07a0e

    SHA1

    72a7112d58c82c02e080fac00dee6f247f371768

    SHA256

    d63149bb2d6c300f623c866ed6850fc7730503e169c9da87a763cb5b80d67289

    SHA512

    6145ef747e570500b1998c5ead48749b18c8945fca65fbdfc85edecd2f30d57ff59af68bc3607779b5d4cf3c42e7465de46a9671e1da8f638bd64911a152b943

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

    Filesize

    454KB

    MD5

    f192ff9e864d57fb3bb16aa9aff07a0e

    SHA1

    72a7112d58c82c02e080fac00dee6f247f371768

    SHA256

    d63149bb2d6c300f623c866ed6850fc7730503e169c9da87a763cb5b80d67289

    SHA512

    6145ef747e570500b1998c5ead48749b18c8945fca65fbdfc85edecd2f30d57ff59af68bc3607779b5d4cf3c42e7465de46a9671e1da8f638bd64911a152b943

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

    Filesize

    454KB

    MD5

    f192ff9e864d57fb3bb16aa9aff07a0e

    SHA1

    72a7112d58c82c02e080fac00dee6f247f371768

    SHA256

    d63149bb2d6c300f623c866ed6850fc7730503e169c9da87a763cb5b80d67289

    SHA512

    6145ef747e570500b1998c5ead48749b18c8945fca65fbdfc85edecd2f30d57ff59af68bc3607779b5d4cf3c42e7465de46a9671e1da8f638bd64911a152b943

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

    Filesize

    454KB

    MD5

    f192ff9e864d57fb3bb16aa9aff07a0e

    SHA1

    72a7112d58c82c02e080fac00dee6f247f371768

    SHA256

    d63149bb2d6c300f623c866ed6850fc7730503e169c9da87a763cb5b80d67289

    SHA512

    6145ef747e570500b1998c5ead48749b18c8945fca65fbdfc85edecd2f30d57ff59af68bc3607779b5d4cf3c42e7465de46a9671e1da8f638bd64911a152b943

  • memory/820-74-0x0000000000000000-mapping.dmp

  • memory/1096-54-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

    Filesize

    8KB

  • memory/1200-72-0x0000000004C16000-0x0000000004C27000-memory.dmp

    Filesize

    68KB

  • memory/1200-70-0x00000000003F0000-0x0000000000438000-memory.dmp

    Filesize

    288KB

  • memory/1200-73-0x0000000004C16000-0x0000000004C27000-memory.dmp

    Filesize

    68KB

  • memory/1200-66-0x0000000000000000-mapping.dmp

  • memory/1308-62-0x0000000000000000-mapping.dmp

  • memory/1308-65-0x0000000001060000-0x00000000010DA000-memory.dmp

    Filesize

    488KB

  • memory/1628-60-0x00000000003E0000-0x00000000003EC000-memory.dmp

    Filesize

    48KB

  • memory/1628-59-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

    Filesize

    8KB

  • memory/1628-58-0x00000000009F0000-0x0000000000A6A000-memory.dmp

    Filesize

    488KB

  • memory/1628-55-0x0000000000000000-mapping.dmp