Analysis

  • max time kernel
    1607s
  • max time network
    1610s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2023 05:17

General

  • Target

    payloadadad.exe

  • Size

    80KB

  • MD5

    7255a9f0ce68aa36e9d83117af9c760e

  • SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

  • SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

  • SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • SSDEEP

    1536:CvcqBmQOb+SI8HRn7OG3RKY/Xg8cbjyq:gcNTbpVLg8cb

Malware Config

Extracted

Family

njrat

Botnet

HacKed

Mutex

53$1279$1273$1274$1265$126d$1233$1232

Attributes
  • reg_key

    53$1279$1273$1274$1265$126d$1233$1232

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payloadadad.exe
    "C:\Users\Admin\AppData\Local\Temp\payloadadad.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Roaming\payloadadad.exe
      "C:\Users\Admin\AppData\Roaming\payloadadad.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1236
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\payloadadad.exe" "payloadadad.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1552
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:1456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\System32.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • C:\Users\Admin\AppData\Roaming\payloadadad.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • C:\Users\Admin\AppData\Roaming\payloadadad.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • \Users\Admin\AppData\Roaming\Microsoft\svchost.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • \Users\Admin\AppData\Roaming\payloadadad.exe

    Filesize

    80KB

    MD5

    7255a9f0ce68aa36e9d83117af9c760e

    SHA1

    07210795c7bd058d91e7c0afab831ede96dbdb89

    SHA256

    6521880a89fe244e968445d6de8cfc9f0df1ec619833742e291cdcce2e0baa16

    SHA512

    d7aa10c836779d5feb5e7dd69427f95c19d30b9e91f53f7a8ca264c454ffaa9c5029c2e1b429ab2a90b30baa21c59398349260e703d9618edb0a433146100faa

  • memory/1236-62-0x0000000001F40000-0x0000000001F80000-memory.dmp

    Filesize

    256KB

  • memory/1236-67-0x0000000001F40000-0x0000000001F80000-memory.dmp

    Filesize

    256KB

  • memory/1456-74-0x0000000000530000-0x0000000000570000-memory.dmp

    Filesize

    256KB

  • memory/1580-54-0x0000000000640000-0x0000000000680000-memory.dmp

    Filesize

    256KB