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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 15:27

General

  • Target

    3e52e49f1c0ea5cdeb5314f894f481c553b3841eec4c0a2ba8b5aa183affd3fc.exe

  • Size

    270KB

  • MD5

    6e9b21506f657614800e3893b2954e80

  • SHA1

    5b41d28b20a29996be71d1776637591c09200c2a

  • SHA256

    3e52e49f1c0ea5cdeb5314f894f481c553b3841eec4c0a2ba8b5aa183affd3fc

  • SHA512

    bffa7110047b6596b6635b92dd6869c0d9e17d39f65281f85507b6ee3fdd9a060b37ef14e1a077719614c3ca042237901cfcb83b6c9a08f2dcca42a7781e37d9

  • SSDEEP

    6144:jDKW1Lgbdl0TBBvjc/J0Lv5Usy19CX/7y2cznP:3h1Lk70TnvjcB0bHy2yRT

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

superstart.myq-see.com:1177

Mutex

8bb662d6a258d1485dea4aedcf4aeffe

Attributes
  • reg_key

    8bb662d6a258d1485dea4aedcf4aeffe

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 2 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e52e49f1c0ea5cdeb5314f894f481c553b3841eec4c0a2ba8b5aa183affd3fc.exe
    "C:\Users\Admin\AppData\Local\Temp\3e52e49f1c0ea5cdeb5314f894f481c553b3841eec4c0a2ba8b5aa183affd3fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\475.exe
      C:\Users\Admin\AppData\Local\Temp\475.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Users\Admin\AppData\Local\Temp\AppData.exe
        "C:\Users\Admin\AppData\Local\Temp\AppData.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\AppData.exe" "AppData.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\475.exe

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

  • C:\Users\Admin\AppData\Local\Temp\475.exe

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

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

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

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

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

  • \Users\Admin\AppData\Local\Temp\475.exe

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

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

    Filesize

    29KB

    MD5

    04d514fd111108a2779ce9cf1c309a6c

    SHA1

    67caefd124d7abd73f4f8bc0c227c1b17f28c06d

    SHA256

    7aacc883ad4aa7c0c6edf46d64380adf2ec9bfa7f8b6dfe2c0ac2b973bd6873b

    SHA512

    38b22748e9e19780503584e3e7a6566c30acd259988bc6f5abfb181f81ff6666934c4b0ae54e3a835542e7a0b1becbcb9e632d8c964662a95729238ddf6d8a2f

  • memory/856-62-0x0000000074B51000-0x0000000074B53000-memory.dmp

    Filesize

    8KB

  • memory/856-69-0x0000000070A60000-0x000000007100B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-54-0x0000000002220000-0x0000000002254000-memory.dmp

    Filesize

    208KB

  • memory/1724-57-0x0000000002280000-0x000000000229C000-memory.dmp

    Filesize

    112KB

  • memory/1724-56-0x0000000004ED0000-0x0000000004EF8000-memory.dmp

    Filesize

    160KB

  • memory/1724-55-0x0000000002250000-0x0000000002284000-memory.dmp

    Filesize

    208KB

  • memory/1864-70-0x0000000070A60000-0x000000007100B000-memory.dmp

    Filesize

    5.7MB

  • memory/1864-72-0x0000000070A60000-0x000000007100B000-memory.dmp

    Filesize

    5.7MB