Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2023 17:08

General

  • Target

    bMJj.exe

  • Size

    78KB

  • MD5

    d6b907a131586513531e26f54e424ef1

  • SHA1

    dbd94a49ebcf17acf7aa27b0e7e37db8161d3fae

  • SHA256

    1edd9675ca9e84553106201aae3a98bdb2fd2ff8e6039af4478fe5af4fbfd995

  • SHA512

    0af91f99df2b9453a19051f988d1683d3eff52aa471dc206766e55139f06ae894a2df9b418977808a5a62196da423efea07add75bcba9ba6fe8a5c83eca704ff

  • SSDEEP

    1536:h5B+r0dODplS5wpOk3JCK6pFoO/d6fOpd/9nEh9TG6JgR:YQwpOk5CK6gO/9ES6Jg

Score
10/10

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Lime

C2

ax4.duckdns.org:9966

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    16426337

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bMJj.exe
    "C:\Users\Admin\AppData\Local\Temp\bMJj.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Roaming\Client.exe
      "C:\Users\Admin\AppData\Roaming\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    78KB

    MD5

    d6b907a131586513531e26f54e424ef1

    SHA1

    dbd94a49ebcf17acf7aa27b0e7e37db8161d3fae

    SHA256

    1edd9675ca9e84553106201aae3a98bdb2fd2ff8e6039af4478fe5af4fbfd995

    SHA512

    0af91f99df2b9453a19051f988d1683d3eff52aa471dc206766e55139f06ae894a2df9b418977808a5a62196da423efea07add75bcba9ba6fe8a5c83eca704ff

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

    Filesize

    78KB

    MD5

    d6b907a131586513531e26f54e424ef1

    SHA1

    dbd94a49ebcf17acf7aa27b0e7e37db8161d3fae

    SHA256

    1edd9675ca9e84553106201aae3a98bdb2fd2ff8e6039af4478fe5af4fbfd995

    SHA512

    0af91f99df2b9453a19051f988d1683d3eff52aa471dc206766e55139f06ae894a2df9b418977808a5a62196da423efea07add75bcba9ba6fe8a5c83eca704ff

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

    Filesize

    78KB

    MD5

    d6b907a131586513531e26f54e424ef1

    SHA1

    dbd94a49ebcf17acf7aa27b0e7e37db8161d3fae

    SHA256

    1edd9675ca9e84553106201aae3a98bdb2fd2ff8e6039af4478fe5af4fbfd995

    SHA512

    0af91f99df2b9453a19051f988d1683d3eff52aa471dc206766e55139f06ae894a2df9b418977808a5a62196da423efea07add75bcba9ba6fe8a5c83eca704ff

  • memory/1708-62-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

    Filesize

    256KB

  • memory/1708-63-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

    Filesize

    256KB

  • memory/2008-54-0x0000000000C10000-0x0000000000C50000-memory.dmp

    Filesize

    256KB