Overview

overview

10

Static

static

10

6f206c1cf8...ae.exe

windows7_x64

10

6f206c1cf8...ae.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    159s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:52

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General

  • Target

    6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae.exe

  • Size

    31KB

  • MD5

    8ab046221d4c82b7bc8af25d66681f12

  • SHA1

    25f1eeebfa85eed09859013bd16ff95e15b720e5

  • SHA256

    6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae

  • SHA512

    f0a5c2a48d7f51b309f7da8faef4dee4a8783684f62cfa9bdd692f96640e8fb8b0df4adfb1bf8f053aaaf768d8fa571137fddc659701183f967eb86d131d9a6b

Score
10/10
njratmybotevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

178.33.93.88:80

Mutex

6412632678fd7af8e4c57ca548c07ab3

Attributes
  • reg_key

    6412632678fd7af8e4c57ca548c07ab3

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae.exe
    "C:\Users\Admin\AppData\Local\Temp\6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
        3⤵
          PID:4720

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      31KB

      MD5

      8ab046221d4c82b7bc8af25d66681f12

      SHA1

      25f1eeebfa85eed09859013bd16ff95e15b720e5

      SHA256

      6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae

      SHA512

      f0a5c2a48d7f51b309f7da8faef4dee4a8783684f62cfa9bdd692f96640e8fb8b0df4adfb1bf8f053aaaf768d8fa571137fddc659701183f967eb86d131d9a6b

      Download Submit

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

      31KB

      MD5

      8ab046221d4c82b7bc8af25d66681f12

      SHA1

      25f1eeebfa85eed09859013bd16ff95e15b720e5

      SHA256

      6f206c1cf8a3a89d1c924093ad7b14afaa38bb838cd63f46ac5a6d4aeea917ae

      SHA512

      f0a5c2a48d7f51b309f7da8faef4dee4a8783684f62cfa9bdd692f96640e8fb8b0df4adfb1bf8f053aaaf768d8fa571137fddc659701183f967eb86d131d9a6b

      Download Submit

    • memory/1280-131-0x0000000000000000-mapping.dmp

      Download

    • memory/1280-134-0x0000000074BC0000-0x0000000075171000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1932-130-0x0000000074BC0000-0x0000000075171000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4720-135-0x0000000000000000-mapping.dmp

      Download