njrat | 7d8f36c4cdc8253ef1e89974292046cbfd8178ba8e0b74e536424f3a013f99ad

General

Target

1668-56-0x0000000000580000-0x000000000058C000-memory.exe
Size

48KB
MD5

0d772e305c3c5b217930fa5ed1840101
SHA1

d260cd1220990870dd7591504ac64e3c8cf81cdd
SHA256

7d8f36c4cdc8253ef1e89974292046cbfd8178ba8e0b74e536424f3a013f99ad
SHA512

0cf3f863bbb59f1988face657a46e0fdc1c572a3e8c9157ea44dad162b76c84458158520dd4c6c77a40132c5b8696ace2c27ab67f0d6a61ae61883e62eeef8ee

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

easralahtane.ddns.net:3973

Mutex

d2affd0990860fff6a059dbd50f93a64

Attributes

reg_key
d2affd0990860fff6a059dbd50f93a64
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

taskhost .exe

pid process

768 taskhost .exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4848 netsh.exe

pid	process
768	taskhost .exe

pid	process
4848	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

Processes:

1668-56-0x0000000000580000-0x000000000058C000-memory.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation	1668-56-0x0000000000580000-0x000000000058C000-memory.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

taskhost .exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d2affd0990860fff6a059dbd50f93a64 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskhost .exe\" .."	taskhost .exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d2affd0990860fff6a059dbd50f93a64 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\taskhost .exe\" .."	taskhost .exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

taskhost .exe

description	pid	process
Token: SeDebugPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe
Token: 33	768	taskhost .exe
Token: SeIncBasePriorityPrivilege	768	taskhost .exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1668-56-0x0000000000580000-0x000000000058C000-memory.exetaskhost .exe

description	pid	process	target process
PID 4272 wrote to memory of 768	4272	1668-56-0x0000000000580000-0x000000000058C000-memory.exe	taskhost .exe
PID 4272 wrote to memory of 768	4272	1668-56-0x0000000000580000-0x000000000058C000-memory.exe	taskhost .exe
PID 4272 wrote to memory of 768	4272	1668-56-0x0000000000580000-0x000000000058C000-memory.exe	taskhost .exe
PID 768 wrote to memory of 4848	768	taskhost .exe	netsh.exe
PID 768 wrote to memory of 4848	768	taskhost .exe	netsh.exe
PID 768 wrote to memory of 4848	768	taskhost .exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1668-56-0x0000000000580000-0x000000000058C000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1668-56-0x0000000000580000-0x000000000058C000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4272

C:\Users\Admin\AppData\Local\Temp\taskhost .exe
"C:\Users\Admin\AppData\Local\Temp\taskhost .exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskhost .exe" "taskhost .exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\taskhost .exe
Filesize
48KB

MD5
0d772e305c3c5b217930fa5ed1840101

SHA1
d260cd1220990870dd7591504ac64e3c8cf81cdd

SHA256
7d8f36c4cdc8253ef1e89974292046cbfd8178ba8e0b74e536424f3a013f99ad

SHA512
0cf3f863bbb59f1988face657a46e0fdc1c572a3e8c9157ea44dad162b76c84458158520dd4c6c77a40132c5b8696ace2c27ab67f0d6a61ae61883e62eeef8ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\taskhost .exe
Filesize
48KB

MD5
0d772e305c3c5b217930fa5ed1840101

SHA1
d260cd1220990870dd7591504ac64e3c8cf81cdd

SHA256
7d8f36c4cdc8253ef1e89974292046cbfd8178ba8e0b74e536424f3a013f99ad

SHA512
0cf3f863bbb59f1988face657a46e0fdc1c572a3e8c9157ea44dad162b76c84458158520dd4c6c77a40132c5b8696ace2c27ab67f0d6a61ae61883e62eeef8ee

Download Submit
memory/768-133-0x0000000000000000-mapping.dmp

Download
memory/768-137-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/768-139-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/4272-132-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/4272-136-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/4848-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads