Overview

overview

10

Static

static

10

a407ae1ed0...b6.exe

windows7-x64

10

a407ae1ed0...b6.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 01:09

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General

  • Target

    a407ae1ed0a941a41d223a64cefd0baf5163bc4fd35b020d562b7cf3b83442b6.exe

  • Size

    37KB

  • MD5

    8123fc137d73b3b92fc40be61af08ace

  • SHA1

    b11168a1ad6d72808b176f0c889bfa220d13813e

  • SHA256

    a407ae1ed0a941a41d223a64cefd0baf5163bc4fd35b020d562b7cf3b83442b6

  • SHA512

    cf225e298886dc63584f7615891a3f4fc9773d4e2078a1363dba8547b1e85627b5bb5dcc18dbbcd51e3375bc18fb122ae4846bb92735d0c963ac0e9f71f56453

  • SSDEEP

    384:eLExxTGARStybaVhonbUOgg5Ctc5EmAoiCWsWGac5LoaPGtvx93pMKm+M5hsTz6N:IExTyLhChggkdeWKacbOtbNqTYDYRD

Score
10/10
njratvictimdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d | By Brontok

Botnet

Victim

C2

spk.accesscam.org:55554

Mutex

m9o1ocabbaxon9ndffebx7uutlcl49nl

Attributes
  • reg_key

    m9o1ocabbaxon9ndffebx7uutlcl49nl

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a407ae1ed0a941a41d223a64cefd0baf5163bc4fd35b020d562b7cf3b83442b6.exe
    "C:\Users\Admin\AppData\Local\Temp\a407ae1ed0a941a41d223a64cefd0baf5163bc4fd35b020d562b7cf3b83442b6.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\svchost.exe
    Filesize

    37KB

    MD5

    8123fc137d73b3b92fc40be61af08ace

    SHA1

    b11168a1ad6d72808b176f0c889bfa220d13813e

    SHA256

    a407ae1ed0a941a41d223a64cefd0baf5163bc4fd35b020d562b7cf3b83442b6

    SHA512

    cf225e298886dc63584f7615891a3f4fc9773d4e2078a1363dba8547b1e85627b5bb5dcc18dbbcd51e3375bc18fb122ae4846bb92735d0c963ac0e9f71f56453

    Download Submit

  • memory/1736-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1736-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1736-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1736-3-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1736-12-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2948-11-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2948-13-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2948-14-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

    Download