njrat | ea1b0187bbd1a48bd632fddc7e2b367148e13827901cc06e10999a9b3baec8ef

General

Target

1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe
Size

48KB
MD5

3d0c9b1cbd007a79d0df93c6249a24bc
SHA1

940e4787edaae8f71b10ae5574aa0267ec192341
SHA256

ea1b0187bbd1a48bd632fddc7e2b367148e13827901cc06e10999a9b3baec8ef
SHA512

4a9b6923ee468b45f05df607aa09f961ed262f3b4a5be5116d1335781c957edaecaf94513acc726b904241dc75b4ceb0a72d646f13674d4fa2da97d61664d2b3

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

easralahtane.ddns.net:3973

Mutex

de691f5a23326e1eca32cf33144b3175

Attributes

reg_key
de691f5a23326e1eca32cf33144b3175
splitter
|'|'|

Signatures

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

Processes:

taskhost .exe

pid process

1728 taskhost .exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1732 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe

pid process

1684 1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe

pid	process
1728	taskhost .exe

pid	process
1732	netsh.exe

pid	process
1684	1980-56-0x0000000000A60000-0x0000000000A6C000-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\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\de691f5a23326e1eca32cf33144b3175 = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskhost .exe\" .."	taskhost .exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\de691f5a23326e1eca32cf33144b3175 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 19 IoCs

Processes:

taskhost .exe

description	pid	process
Token: SeDebugPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe
Token: 33	1728	taskhost .exe
Token: SeIncBasePriorityPrivilege	1728	taskhost .exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exetaskhost .exe

description	pid	process	target process
PID 1684 wrote to memory of 1728	1684	1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe	taskhost .exe
PID 1684 wrote to memory of 1728	1684	1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe	taskhost .exe
PID 1684 wrote to memory of 1728	1684	1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe	taskhost .exe
PID 1684 wrote to memory of 1728	1684	1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe	taskhost .exe
PID 1728 wrote to memory of 1732	1728	taskhost .exe	netsh.exe
PID 1728 wrote to memory of 1732	1728	taskhost .exe	netsh.exe
PID 1728 wrote to memory of 1732	1728	taskhost .exe	netsh.exe
PID 1728 wrote to memory of 1732	1728	taskhost .exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\1980-56-0x0000000000A60000-0x0000000000A6C000-memory.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Roaming\taskhost .exe
"C:\Users\Admin\AppData\Roaming\taskhost .exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\taskhost .exe" "taskhost .exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1732

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
3d0c9b1cbd007a79d0df93c6249a24bc

SHA1
940e4787edaae8f71b10ae5574aa0267ec192341

SHA256
ea1b0187bbd1a48bd632fddc7e2b367148e13827901cc06e10999a9b3baec8ef

SHA512
4a9b6923ee468b45f05df607aa09f961ed262f3b4a5be5116d1335781c957edaecaf94513acc726b904241dc75b4ceb0a72d646f13674d4fa2da97d61664d2b3

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

MD5
3d0c9b1cbd007a79d0df93c6249a24bc

SHA1
940e4787edaae8f71b10ae5574aa0267ec192341

SHA256
ea1b0187bbd1a48bd632fddc7e2b367148e13827901cc06e10999a9b3baec8ef

SHA512
4a9b6923ee468b45f05df607aa09f961ed262f3b4a5be5116d1335781c957edaecaf94513acc726b904241dc75b4ceb0a72d646f13674d4fa2da97d61664d2b3

Download Submit
\Users\Admin\AppData\Roaming\taskhost .exe
Filesize
48KB

MD5
3d0c9b1cbd007a79d0df93c6249a24bc

SHA1
940e4787edaae8f71b10ae5574aa0267ec192341

SHA256
ea1b0187bbd1a48bd632fddc7e2b367148e13827901cc06e10999a9b3baec8ef

SHA512
4a9b6923ee468b45f05df607aa09f961ed262f3b4a5be5116d1335781c957edaecaf94513acc726b904241dc75b4ceb0a72d646f13674d4fa2da97d61664d2b3

Download Submit
memory/1684-54-0x0000000076401000-0x0000000076403000-memory.dmp

Filesize
8KB

Download
memory/1684-55-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-61-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-57-0x0000000000000000-mapping.dmp

Download
memory/1728-62-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-65-0x0000000074EA0000-0x000000007544B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads