njrat | f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495

General

Target

f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe
Size

23KB
MD5

94cc6a62246af0257acc1aceaffd0965
SHA1

c64ee8564dbfaeb67c50a362b1958806af64b30c
SHA256

f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495
SHA512

2cdf3986e40d46de099f584837a1459f89e273daf49dfa8550f5ec153f385051f6199e7f1947ffd249068cbd5a6c9d76025f42707cb316af4ab39b9aa3c552c5
SSDEEP

384:B+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZh7H:Wm+71d5XRpcnuG

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hguvhr-1.no-ip.biz:1988

Mutex

31fbf4a6c2e03906866a21ab3c8bcdd7

Attributes

reg_key
31fbf4a6c2e03906866a21ab3c8bcdd7
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

5116 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3004 netsh.exe

pid	process
5116	server.exe

pid	process
3004	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:

f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\31fbf4a6c2e03906866a21ab3c8bcdd7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\31fbf4a6c2e03906866a21ab3c8bcdd7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 9 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	5116	server.exe
Token: 33	5116	server.exe
Token: SeIncBasePriorityPrivilege	5116	server.exe
Token: 33	5116	server.exe
Token: SeIncBasePriorityPrivilege	5116	server.exe
Token: 33	5116	server.exe
Token: SeIncBasePriorityPrivilege	5116	server.exe
Token: 33	5116	server.exe
Token: SeIncBasePriorityPrivilege	5116	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exeserver.exe

description	pid	process	target process
PID 1524 wrote to memory of 5116	1524	f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe	server.exe
PID 1524 wrote to memory of 5116	1524	f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe	server.exe
PID 1524 wrote to memory of 5116	1524	f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe	server.exe
PID 5116 wrote to memory of 3004	5116	server.exe	netsh.exe
PID 5116 wrote to memory of 3004	5116	server.exe	netsh.exe
PID 5116 wrote to memory of 3004	5116	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe
"C:\Users\Admin\AppData\Local\Temp\f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1524

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5116

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3004

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
94cc6a62246af0257acc1aceaffd0965

SHA1
c64ee8564dbfaeb67c50a362b1958806af64b30c

SHA256
f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495

SHA512
2cdf3986e40d46de099f584837a1459f89e273daf49dfa8550f5ec153f385051f6199e7f1947ffd249068cbd5a6c9d76025f42707cb316af4ab39b9aa3c552c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
94cc6a62246af0257acc1aceaffd0965

SHA1
c64ee8564dbfaeb67c50a362b1958806af64b30c

SHA256
f80c8c48055c61738798952d3798fa0d995567d6c031bf933e4ae3905e399495

SHA512
2cdf3986e40d46de099f584837a1459f89e273daf49dfa8550f5ec153f385051f6199e7f1947ffd249068cbd5a6c9d76025f42707cb316af4ab39b9aa3c552c5

Download Submit
memory/1524-132-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/1524-133-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/1524-137-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/3004-139-0x0000000000000000-mapping.dmp

Download
memory/5116-134-0x0000000000000000-mapping.dmp

Download
memory/5116-138-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5116-140-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads