njrat | 0b9081f030f73e047a09db602103c671753716f992163a47d6028f5aafc6e9c6

Analysis

max time kernel
204s
max time network
208s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
12-10-2024 03:15

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General

Target

dllhost.exe
Size

37KB
MD5

0a64b72aff3b45b06dfee336414cf9ed
SHA1

5bc91466f6a8952dee430c976c206e5bf73890b7
SHA256

0b9081f030f73e047a09db602103c671753716f992163a47d6028f5aafc6e9c6
SHA512

d8a3435665ff21993332cf1f736abbc260539451e3e66e2b7c3b225431e99d1a774468f4b80e4a220ca19378ddc67a2913d45dddf5eba6f8027e9d6419fc51d7
SSDEEP

768:CXrtsKADtOHiR4akrYBQWllykrM+rMRa8NuW4t:CXr8tVSkBQWlEH+gRJNJ

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

away-displays.gl.at.ply.gg:26916

Mutex

88fa44db6102d86fb65123033d323f7e

Attributes

reg_key
88fa44db6102d86fb65123033d323f7e
splitter
|'|'|

Signatures

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
2112	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3636	explorer.exe

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 4 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe
Token: 33	3636	explorer.exe
Token: SeIncBasePriorityPrivilege	3636	explorer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 3636	3800	dllhost.exe	72
PID 3800 wrote to memory of 3636	3800	dllhost.exe	72
PID 3800 wrote to memory of 3636	3800	dllhost.exe	72
PID 3636 wrote to memory of 2112	3636	explorer.exe	73
PID 3636 wrote to memory of 2112	3636	explorer.exe	73
PID 3636 wrote to memory of 2112	3636	explorer.exe	73
PID 3636 wrote to memory of 3488	3636	explorer.exe	76
PID 3636 wrote to memory of 3488	3636	explorer.exe	76
PID 3636 wrote to memory of 3488	3636	explorer.exe	76

C:\Users\Admin\AppData\Local\Temp\dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2112
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3488

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

C:\Users\Admin\AppData\Local\Temp\explorer.exe

Filesize
37KB

MD5
0a64b72aff3b45b06dfee336414cf9ed

SHA1
5bc91466f6a8952dee430c976c206e5bf73890b7

SHA256
0b9081f030f73e047a09db602103c671753716f992163a47d6028f5aafc6e9c6

SHA512
d8a3435665ff21993332cf1f736abbc260539451e3e66e2b7c3b225431e99d1a774468f4b80e4a220ca19378ddc67a2913d45dddf5eba6f8027e9d6419fc51d7

Download Submit
memory/3636-9-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3636-11-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3636-12-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3636-13-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3800-0-0x0000000073B91000-0x0000000073B92000-memory.dmp

Filesize
4KB

Download
memory/3800-1-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3800-2-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download
memory/3800-10-0x0000000073B90000-0x0000000074140000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads