Overview

overview

10

Static

static

10

0a9eeb784f...1b.exe

windows7_x64

10

0a9eeb784f...1b.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-09-2021 13:24

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General

  • Target

    0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b.exe

  • Size

    289KB

  • MD5

    347ff437bff7fd078a6aa65c04620b84

  • SHA1

    4c5f2b093cc9be24b61c4d83502f409b1e757f20

  • SHA256

    0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b

  • SHA512

    deb2dd636fa554879e90763a060a5f66b247fbe49bc18c70bbdae8b298916527651113d7123619feaf09f87004507d0a0cf0bb54499149589f3ea9badf75836d

Score
10/10
njratvladevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Vlad

C2

2.tcp.ngrok.io:18100

Mutex

02970e07dff67a33e67ace6d6dbcc09f

Attributes
  • reg_key

    02970e07dff67a33e67ace6d6dbcc09f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b.exe
    "C:\Users\Admin\AppData\Local\Temp\0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Roaming\browser.exe
      "C:\Users\Admin\AppData\Roaming\browser.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\browser.exe" "browser.exe" ENABLE
        3⤵
          PID:1524

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      347ff437bff7fd078a6aa65c04620b84

      SHA1

      4c5f2b093cc9be24b61c4d83502f409b1e757f20

      SHA256

      0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b

      SHA512

      deb2dd636fa554879e90763a060a5f66b247fbe49bc18c70bbdae8b298916527651113d7123619feaf09f87004507d0a0cf0bb54499149589f3ea9badf75836d

      Download Submit
    • C:\Users\Admin\AppData\Roaming\browser.exe
      MD5

      347ff437bff7fd078a6aa65c04620b84

      SHA1

      4c5f2b093cc9be24b61c4d83502f409b1e757f20

      SHA256

      0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b

      SHA512

      deb2dd636fa554879e90763a060a5f66b247fbe49bc18c70bbdae8b298916527651113d7123619feaf09f87004507d0a0cf0bb54499149589f3ea9badf75836d

      Download Submit
    • \Users\Admin\AppData\Roaming\browser.exe
      MD5

      347ff437bff7fd078a6aa65c04620b84

      SHA1

      4c5f2b093cc9be24b61c4d83502f409b1e757f20

      SHA256

      0a9eeb784f09d322d2a05a74a75bf4233052a66325b14b166d6273563217f41b

      SHA512

      deb2dd636fa554879e90763a060a5f66b247fbe49bc18c70bbdae8b298916527651113d7123619feaf09f87004507d0a0cf0bb54499149589f3ea9badf75836d

      Download Submit
    • memory/956-57-0x0000000000000000-mapping.dmp
      Download
    • memory/956-61-0x00000000005F0000-0x00000000005F1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1124-54-0x0000000076201000-0x0000000076203000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1124-55-0x0000000000380000-0x0000000000381000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1524-62-0x0000000000000000-mapping.dmp
      Download