Overview

overview

10

Static

static

10

ae73bdc4a2...75.exe

windows7_x64

10

ae73bdc4a2...75.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    04-01-2022 19:51

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General

  • Target

    ae73bdc4a2a838cfd473516f71256775.exe

  • Size

    23KB

  • MD5

    ae73bdc4a2a838cfd473516f71256775

  • SHA1

    131baeeb082a9686e439037d68b25511704afdca

  • SHA256

    038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721

  • SHA512

    cffacc16e3ec4b58d9929195a478f3154aa0b468141f891360c8b226a15d50264321ef42c1ba8deceb0a5448fc60ae25aae18194e88e9f14a3ffe2813b0db445

Score
10/10
njratvictimevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

victim

C2

maxmax321.ddns.net:1177

Mutex

8b94dab96779834ab91c92bf9ca487ba

Attributes
  • reg_key

    8b94dab96779834ab91c92bf9ca487ba

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • 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 use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae73bdc4a2a838cfd473516f71256775.exe
    "C:\Users\Admin\AppData\Local\Temp\ae73bdc4a2a838cfd473516f71256775.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      "C:\Users\Admin\AppData\Roaming\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE
        3⤵
          PID:4196

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\explorer.exe
      MD5

      ae73bdc4a2a838cfd473516f71256775

      SHA1

      131baeeb082a9686e439037d68b25511704afdca

      SHA256

      038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721

      SHA512

      cffacc16e3ec4b58d9929195a478f3154aa0b468141f891360c8b226a15d50264321ef42c1ba8deceb0a5448fc60ae25aae18194e88e9f14a3ffe2813b0db445

      Download Submit

    • C:\Users\Admin\AppData\Roaming\explorer.exe
      MD5

      ae73bdc4a2a838cfd473516f71256775

      SHA1

      131baeeb082a9686e439037d68b25511704afdca

      SHA256

      038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721

      SHA512

      cffacc16e3ec4b58d9929195a478f3154aa0b468141f891360c8b226a15d50264321ef42c1ba8deceb0a5448fc60ae25aae18194e88e9f14a3ffe2813b0db445

      Download Submit

    • memory/3708-115-0x00000000024F0000-0x00000000024F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4008-116-0x0000000000000000-mapping.dmp

      Download

    • memory/4008-119-0x0000000002480000-0x0000000002481000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4008-121-0x0000000002481000-0x0000000002482000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4196-120-0x0000000000000000-mapping.dmp

      Download