njrat | 957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33

General

Target

957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe
Size

103KB
MD5

592b110aba23427270059a6611c09c63
SHA1

acf34b3bc9598e5a858034613bcc8fa6e1cd1371
SHA256

957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33
SHA512

af42d963f6dacd21e8f7145406fe097771016059d18ff8d5af5fd4ff4e1c4ef97f7949e957838471c445ac20acb70d52c1e9b2562b8ba057353a4fe6be61ca38
SSDEEP

1536:0Z19QBTd/LklsfI/IEFljaYQQC0OpjH7zs82eAebfYMlBE6Qmm1:UO4lsgQE/FCtjHx2eAGYMlUmu

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

64f5a500033a0279ebf3a243f9f3365c

Attributes

reg_key
64f5a500033a0279ebf3a243f9f3365c
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
1716	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe

Executes dropped EXE 1 IoCs

pid	Process
4392	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe
Token: 33	4392	server.exe
Token: SeIncBasePriorityPrivilege	4392	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 4392	3236	957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe	86
PID 3236 wrote to memory of 4392	3236	957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe	86
PID 4392 wrote to memory of 1716	4392	server.exe	90
PID 4392 wrote to memory of 1716	4392	server.exe	90

C:\Users\Admin\AppData\Local\Temp\957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe
"C:\Users\Admin\AppData\Local\Temp\957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1716

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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
103KB

MD5
592b110aba23427270059a6611c09c63

SHA1
acf34b3bc9598e5a858034613bcc8fa6e1cd1371

SHA256
957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33

SHA512
af42d963f6dacd21e8f7145406fe097771016059d18ff8d5af5fd4ff4e1c4ef97f7949e957838471c445ac20acb70d52c1e9b2562b8ba057353a4fe6be61ca38

Download Submit
memory/3236-3-0x0000000000E40000-0x0000000000E4C000-memory.dmp

Filesize
48KB

Download
memory/3236-2-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/3236-0-0x00007FFF217B5000-0x00007FFF217B6000-memory.dmp

Filesize
4KB

Download
memory/3236-4-0x000000001B370000-0x000000001B416000-memory.dmp

Filesize
664KB

Download
memory/3236-5-0x000000001B8F0000-0x000000001BDBE000-memory.dmp

Filesize
4.8MB

Download
memory/3236-1-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/3236-19-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/4392-18-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/4392-20-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/4392-21-0x000000001C9B0000-0x000000001CA4C000-memory.dmp

Filesize
624KB

Download
memory/4392-22-0x00000000015D0000-0x00000000015D8000-memory.dmp

Filesize
32KB

Download
memory/4392-23-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download
memory/4392-24-0x00007FFF21500000-0x00007FFF21EA1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads