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Overview

overview

10

Static

static

10

8b635dcdea...4f.exe

windows7-x64

10

8b635dcdea...4f.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 19:18

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General

  • Target

    8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe

  • Size

    29KB

  • MD5

    459b4e64ad1d0dc32ca057b7ef0fd110

  • SHA1

    0e618bc238f50490089c30b86b32ac109b35e4fe

  • SHA256

    8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f

  • SHA512

    afc24d488456dcba898b588cb1515cd3db88b2640ec4b69969cc2d36683cf89da5aec70defb7babfbca2f060e1f07ab8d91c6ab020a29b7368a5b8d62b1300b7

  • SSDEEP

    384:KhQXpl7dzns8oDw/LRP55/4GWmqDSeXegLGBsbh0w4wlAokw9OhgOL1vYRGOZzp9:KE7Js8oDSJz4wqZXenBKh0p29SgRjb

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

saleh200.hopto.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 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
  • 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: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe
    "C:\Users\Admin\AppData\Local\Temp\8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:340

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\Trojan.exe
    Filesize

    29KB

    MD5

    459b4e64ad1d0dc32ca057b7ef0fd110

    SHA1

    0e618bc238f50490089c30b86b32ac109b35e4fe

    SHA256

    8b635dcdeacc541a398e5862d13ea54004302b8c06b63a2db0ddc7c6528e804f

    SHA512

    afc24d488456dcba898b588cb1515cd3db88b2640ec4b69969cc2d36683cf89da5aec70defb7babfbca2f060e1f07ab8d91c6ab020a29b7368a5b8d62b1300b7

    Download Submit

  • memory/2480-11-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2480-12-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2480-14-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2684-0-0x00000000743B1000-0x00000000743B2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2684-1-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2684-2-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2684-10-0x00000000743B0000-0x000000007495B000-memory.dmp

    Filesize

    5.7MB

    Download