Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-06-2022 17:09

General

  • Target

    0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c.exe

  • Size

    43KB

  • MD5

    70fea91985735a6e54853a119d1171dc

  • SHA1

    70e708ca5e041ea3c0c02bb0f64f1534fa6b31af

  • SHA256

    0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c

  • SHA512

    7712756b8dc8198ad7db276b49321bbe9a3ba4229571007a2bb5e30ec57f1ef099df973c35e03282b0e3263d964df2b85fbb9a82f64ae12c825dc66f7d71e409

Score
10/10

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

user

C2

37.145.148.238:5552

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c.exe
    "C:\Users\Admin\AppData\Local\Temp\0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\Cheat.exe
      "C:\Users\Admin\AppData\Local\Temp\Cheat.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1092

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

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

    43KB

    MD5

    70fea91985735a6e54853a119d1171dc

    SHA1

    70e708ca5e041ea3c0c02bb0f64f1534fa6b31af

    SHA256

    0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c

    SHA512

    7712756b8dc8198ad7db276b49321bbe9a3ba4229571007a2bb5e30ec57f1ef099df973c35e03282b0e3263d964df2b85fbb9a82f64ae12c825dc66f7d71e409

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

    43KB

    MD5

    70fea91985735a6e54853a119d1171dc

    SHA1

    70e708ca5e041ea3c0c02bb0f64f1534fa6b31af

    SHA256

    0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c

    SHA512

    7712756b8dc8198ad7db276b49321bbe9a3ba4229571007a2bb5e30ec57f1ef099df973c35e03282b0e3263d964df2b85fbb9a82f64ae12c825dc66f7d71e409

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

    43KB

    MD5

    70fea91985735a6e54853a119d1171dc

    SHA1

    70e708ca5e041ea3c0c02bb0f64f1534fa6b31af

    SHA256

    0972e446ce3aa847c35bf78a3d14e813df36385507c3de389af20c58eb3d789c

    SHA512

    7712756b8dc8198ad7db276b49321bbe9a3ba4229571007a2bb5e30ec57f1ef099df973c35e03282b0e3263d964df2b85fbb9a82f64ae12c825dc66f7d71e409

  • memory/1092-57-0x0000000000000000-mapping.dmp
  • memory/1092-60-0x0000000000C10000-0x0000000000C22000-memory.dmp
    Filesize

    72KB

  • memory/1660-54-0x0000000001100000-0x0000000001112000-memory.dmp
    Filesize

    72KB

  • memory/1660-55-0x0000000075F21000-0x0000000075F23000-memory.dmp
    Filesize

    8KB