Overview

overview

10

Static

static

10

5d6ab44634...c2.exe

windows7-x64

10

5d6ab44634...c2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 19:21

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General

  • Target

    5d6ab44634ffea26e78d0fd9e8d0c1c2.exe

  • Size

    37KB

  • MD5

    5d6ab44634ffea26e78d0fd9e8d0c1c2

  • SHA1

    fd7b612bdb276f986aef915dd0b88ae0901d8eec

  • SHA256

    198e657d4bb70f2f0a068ec656d91789d1cd3d503cf501be28828f42f3de9585

  • SHA512

    aae72933b0b1ded5d9985bbda92c2e3ad608b25bd4b587bcc1f04a3fd6e29a5323c358b7b79d517c9fd7f7c85ae16f555c8981fcbffb865af921f1042041b4f8

  • SSDEEP

    384:wyOMUiDHblmJEpRGyEfBffXNKCYyEAnrAF+rMRTyN/0L+EcoinblneHQM3epzXi:tOqHpR9EfBfVKClEOrM+rMRa8Nu8At

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

4.tcp.eu.ngrok.io:17872

Mutex

6f09e9bd4d46a02277608d17d43fb05b

Attributes
  • reg_key

    6f09e9bd4d46a02277608d17d43fb05b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 19 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d6ab44634ffea26e78d0fd9e8d0c1c2.exe
    "C:\Users\Admin\AppData\Local\Temp\5d6ab44634ffea26e78d0fd9e8d0c1c2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1484

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

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

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    37KB

    MD5

    5d6ab44634ffea26e78d0fd9e8d0c1c2

    SHA1

    fd7b612bdb276f986aef915dd0b88ae0901d8eec

    SHA256

    198e657d4bb70f2f0a068ec656d91789d1cd3d503cf501be28828f42f3de9585

    SHA512

    aae72933b0b1ded5d9985bbda92c2e3ad608b25bd4b587bcc1f04a3fd6e29a5323c358b7b79d517c9fd7f7c85ae16f555c8981fcbffb865af921f1042041b4f8

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\explorer.exe
    Filesize

    37KB

    MD5

    5d6ab44634ffea26e78d0fd9e8d0c1c2

    SHA1

    fd7b612bdb276f986aef915dd0b88ae0901d8eec

    SHA256

    198e657d4bb70f2f0a068ec656d91789d1cd3d503cf501be28828f42f3de9585

    SHA512

    aae72933b0b1ded5d9985bbda92c2e3ad608b25bd4b587bcc1f04a3fd6e29a5323c358b7b79d517c9fd7f7c85ae16f555c8981fcbffb865af921f1042041b4f8

    Download Submit
  • \Users\Admin\AppData\Local\Temp\explorer.exe
    Filesize

    37KB

    MD5

    5d6ab44634ffea26e78d0fd9e8d0c1c2

    SHA1

    fd7b612bdb276f986aef915dd0b88ae0901d8eec

    SHA256

    198e657d4bb70f2f0a068ec656d91789d1cd3d503cf501be28828f42f3de9585

    SHA512

    aae72933b0b1ded5d9985bbda92c2e3ad608b25bd4b587bcc1f04a3fd6e29a5323c358b7b79d517c9fd7f7c85ae16f555c8981fcbffb865af921f1042041b4f8

    Download Submit
  • memory/1484-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1612-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1612-62-0x0000000074840000-0x0000000074DEB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1612-65-0x0000000074840000-0x0000000074DEB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1972-54-0x0000000075501000-0x0000000075503000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1972-55-0x0000000074840000-0x0000000074DEB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1972-61-0x0000000074840000-0x0000000074DEB000-memory.dmp
    Filesize

    5.7MB

    Download