Overview

overview

10

Static

static

10

2024-10-25...at.exe

windows7-x64

10

2024-10-25...at.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-10-2024 10:30

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General

  • Target

    2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe

  • Size

    121KB

  • MD5

    8e925eb0ba4d130df3247581e3a67ee4

  • SHA1

    9412c506371043a97986d6e3a7a06faa07316ef5

  • SHA256

    a49eaa46a8ae3eef440327ed2584391e11e25b4e21ef7494ee1fa64a79da074b

  • SHA512

    35d70864eb6ec2835f37b43246b43efdaeb68ff4d38d4501bd4fb8c9a6b65357f6fe2ccbea749d1f24b56dbe19f8f9b631ce18817a518f4920caa7819911fad2

  • SSDEEP

    1536:P589ZvRWu+cAMwflmsolaTIrRuw+mqbz9j1MWLQs:B89501M+lmsolAIrRuw+mqv9j1MWLQ

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:880
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4068

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

Query Registry

1
T1012

System Information Discovery

2
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

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

    121KB

    MD5

    8e925eb0ba4d130df3247581e3a67ee4

    SHA1

    9412c506371043a97986d6e3a7a06faa07316ef5

    SHA256

    a49eaa46a8ae3eef440327ed2584391e11e25b4e21ef7494ee1fa64a79da074b

    SHA512

    35d70864eb6ec2835f37b43246b43efdaeb68ff4d38d4501bd4fb8c9a6b65357f6fe2ccbea749d1f24b56dbe19f8f9b631ce18817a518f4920caa7819911fad2

    Download Submit

  • memory/880-12-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/880-13-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/880-15-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/880-16-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-0-0x00000000745C2000-0x00000000745C3000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2268-1-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-2-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2268-14-0x00000000745C0000-0x0000000074B71000-memory.dmp

    Filesize

    5.7MB

    Download