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Overview

overview

10

Static

static

10

c3c94f14b1...ac.exe

windows7-x64

10

c3c94f14b1...ac.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/02/2025, 05:08

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General

  • Target

    c3c94f14b1a1353d3c1a758b252dc2df6d8cab7ba5239b1cc02fa54116d3d0ac.exe

  • Size

    31KB

  • MD5

    0582ebbfa7bc2bc8804c12d8a839005c

  • SHA1

    5bc482b0dd8b50b908da4fd9b8c71e3adf0f6a56

  • SHA256

    c3c94f14b1a1353d3c1a758b252dc2df6d8cab7ba5239b1cc02fa54116d3d0ac

  • SHA512

    9857195ddc8da2cca9ab239326f742a4fa06e4fb93d9910bb3b0a9a7290293933e87be7530a679521dbfa298c6335590d46fd4c0126366505c7d09bafde85a59

  • SSDEEP

    768:1es2ZOVvZVYzxDCPIAT+vCQEpvywHQmIDUu0tiTOcj:u+6qJQ6DQVkyXj

Score
10/10
njratjavadefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Java

C2

zelenui.gotdns.ch:7777

Mutex

59c1e99f3311303d256dde61109d335c

Attributes
  • reg_key

    59c1e99f3311303d256dde61109d335c

  • splitter

    Y262SUCZ4UJJ

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_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
  • 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3c94f14b1a1353d3c1a758b252dc2df6d8cab7ba5239b1cc02fa54116d3d0ac.exe
    "C:\Users\Admin\AppData\Local\Temp\c3c94f14b1a1353d3c1a758b252dc2df6d8cab7ba5239b1cc02fa54116d3d0ac.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Roaming\browser.exe
      "C:\Users\Admin\AppData\Roaming\browser.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\browser.exe" "browser.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2168

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\Roaming\browser.exe
    Filesize

    31KB

    MD5

    0582ebbfa7bc2bc8804c12d8a839005c

    SHA1

    5bc482b0dd8b50b908da4fd9b8c71e3adf0f6a56

    SHA256

    c3c94f14b1a1353d3c1a758b252dc2df6d8cab7ba5239b1cc02fa54116d3d0ac

    SHA512

    9857195ddc8da2cca9ab239326f742a4fa06e4fb93d9910bb3b0a9a7290293933e87be7530a679521dbfa298c6335590d46fd4c0126366505c7d09bafde85a59

    Download Submit

  • memory/2216-0-0x0000000074611000-0x0000000074612000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2216-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2216-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2216-12-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2952-13-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2952-14-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2952-15-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2952-17-0x0000000074610000-0x0000000074BBB000-memory.dmp

    Filesize

    5.7MB

    Download