njrat | 03aa71242b74bf7c34fd6ccd2ef8bc6d1e31c4982d35fba4c01f816cdcc1c2b6

Analysis

max time kernel
149s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 21:43

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General

Target

bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
Size

118KB
MD5

e54682be77b5e5c2038370451c2f63b8
SHA1

643aadc5c788ea6d7f1f6944d019df28f68ca104
SHA256

bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b
SHA512

9ca0130d62d7837ba0990a37f35047f686b21c779a278473d8e1ec1012ebf94103fc7725beea10686bdeda4dbbe9b869c53e4394d8894c378d4129223f2c0b56
SSDEEP

1536:qNLrsO9mKKPiV6TpQUfyeW6H9nTcQkVqceHYciGIH/NOauZBrBdgUVsoH:SLz9mp7IVOau37H

Score

10^/10

njrat xxx hacked xxx discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

xxx hacked xxx

spartacuse88.no-ip.biz:1177

Mutex

84adfa5a9d5629f88ca0812ce7b6ab7e

Attributes

reg_key
84adfa5a9d5629f88ca0812ce7b6ab7e
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2864	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2976	dllhost.exe
2828	dllhost.exe

Loads dropped DLL 2 IoCs

pid	Process
3004	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
2976	dllhost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 2976 set thread context of 2828	2976	dllhost.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
Token: SeDebugPrivilege	2976	dllhost.exe
Token: SeDebugPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe
Token: 33	2828	dllhost.exe
Token: SeIncBasePriorityPrivilege	2828	dllhost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 1520 wrote to memory of 3004	1520	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	30
PID 3004 wrote to memory of 2976	3004	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	31
PID 3004 wrote to memory of 2976	3004	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	31
PID 3004 wrote to memory of 2976	3004	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	31
PID 3004 wrote to memory of 2976	3004	bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe	31
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2976 wrote to memory of 2828	2976	dllhost.exe	32
PID 2828 wrote to memory of 2864	2828	dllhost.exe	33
PID 2828 wrote to memory of 2864	2828	dllhost.exe	33
PID 2828 wrote to memory of 2864	2828	dllhost.exe	33
PID 2828 wrote to memory of 2864	2828	dllhost.exe	33

C:\Users\Admin\AppData\Local\Temp\bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
"C:\Users\Admin\AppData\Local\Temp\bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
  C:\Users\Admin\AppData\Local\Temp\bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Users\Admin\AppData\Local\Temp\dllhost.exe
    "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Users\Admin\AppData\Local\Temp\dllhost.exe
      C:\Users\Admin\AppData\Local\Temp\dllhost.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2828
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dllhost.exe" "dllhost.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\dllhost.exe

Filesize
118KB

MD5
e54682be77b5e5c2038370451c2f63b8

SHA1
643aadc5c788ea6d7f1f6944d019df28f68ca104

SHA256
bd85943a6635964d9512452a755d7ffaae258378db310e3dd1f9c022032ff60b

SHA512
9ca0130d62d7837ba0990a37f35047f686b21c779a278473d8e1ec1012ebf94103fc7725beea10686bdeda4dbbe9b869c53e4394d8894c378d4129223f2c0b56

Download Submit
memory/1520-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/1520-1-0x00000000011B0000-0x00000000011D6000-memory.dmp

Filesize
152KB

Download
memory/2976-16-0x0000000000240000-0x0000000000266000-memory.dmp

Filesize
152KB

Download
memory/3004-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3004-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3004-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3004-7-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-15-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads