Overview

overview

10

Static

static

10

86d7f04ec8...bb.exe

windows7-x64

10

86d7f04ec8...bb.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2023 05:01

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General

  • Target

    86d7f04ec8f14bc99e001e9ca5b75abb.exe

  • Size

    37KB

  • MD5

    86d7f04ec8f14bc99e001e9ca5b75abb

  • SHA1

    ca0606ac2901a5c6cc35b0a12e7402a72809b672

  • SHA256

    f7bfca7c1468028954af44d86b94c182211f73942034e628d28046969dfce169

  • SHA512

    6137e78261cbb939551299f6775c7fc395b89a54ae23a863ea884fe9de7c08849a9f85c60e6f115ec5db7bbc1f246607f406874e8ae6c5418cd854dc630a5a3c

  • SSDEEP

    384:NjcUFaik6qQ+gYNiycTTaHNWcWyHSrAF+rMRTyN/0L+EcoinblneHQM3epzXZNrH:9c+kNxcTTaAdyyrM+rMRa8NuHDt

Score
10/10
njratdefenderevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

defender

C2

0.tcp.eu.ngrok.io:10776

Mutex

2f9ce2d0a9523e2eb3944aff5d6e9a8c

Attributes
  • reg_key

    2f9ce2d0a9523e2eb3944aff5d6e9a8c

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 23 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86d7f04ec8f14bc99e001e9ca5b75abb.exe
    "C:\Users\Admin\AppData\Local\Temp\86d7f04ec8f14bc99e001e9ca5b75abb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Roaming\LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe
      "C:\Users\Admin\AppData\Roaming\LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe" "LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:764

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

Web Service

1
T1102

Impact

Replay Monitor

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Downloads

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

    37KB

    MD5

    86d7f04ec8f14bc99e001e9ca5b75abb

    SHA1

    ca0606ac2901a5c6cc35b0a12e7402a72809b672

    SHA256

    f7bfca7c1468028954af44d86b94c182211f73942034e628d28046969dfce169

    SHA512

    6137e78261cbb939551299f6775c7fc395b89a54ae23a863ea884fe9de7c08849a9f85c60e6f115ec5db7bbc1f246607f406874e8ae6c5418cd854dc630a5a3c

    Download Submit
  • C:\Users\Admin\AppData\Roaming\LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe
    Filesize

    37KB

    MD5

    86d7f04ec8f14bc99e001e9ca5b75abb

    SHA1

    ca0606ac2901a5c6cc35b0a12e7402a72809b672

    SHA256

    f7bfca7c1468028954af44d86b94c182211f73942034e628d28046969dfce169

    SHA512

    6137e78261cbb939551299f6775c7fc395b89a54ae23a863ea884fe9de7c08849a9f85c60e6f115ec5db7bbc1f246607f406874e8ae6c5418cd854dc630a5a3c

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2f9ce2d0a9523e2eb3944aff5d6e9a8c.exe
    Filesize

    37KB

    MD5

    86d7f04ec8f14bc99e001e9ca5b75abb

    SHA1

    ca0606ac2901a5c6cc35b0a12e7402a72809b672

    SHA256

    f7bfca7c1468028954af44d86b94c182211f73942034e628d28046969dfce169

    SHA512

    6137e78261cbb939551299f6775c7fc395b89a54ae23a863ea884fe9de7c08849a9f85c60e6f115ec5db7bbc1f246607f406874e8ae6c5418cd854dc630a5a3c

    Download Submit
  • \Users\Admin\AppData\Roaming\LocalServiceNoNetworkFirewallMSDefenderLocalFirewall.exe
    Filesize

    37KB

    MD5

    86d7f04ec8f14bc99e001e9ca5b75abb

    SHA1

    ca0606ac2901a5c6cc35b0a12e7402a72809b672

    SHA256

    f7bfca7c1468028954af44d86b94c182211f73942034e628d28046969dfce169

    SHA512

    6137e78261cbb939551299f6775c7fc395b89a54ae23a863ea884fe9de7c08849a9f85c60e6f115ec5db7bbc1f246607f406874e8ae6c5418cd854dc630a5a3c

    Download Submit
  • memory/1196-62-0x0000000000270000-0x00000000002B0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/1196-64-0x0000000000270000-0x00000000002B0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/1312-54-0x00000000020F0000-0x0000000002130000-memory.dmp
    Filesize

    256KB

    Download