njrat | d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80

General

Target

d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe
Size

24KB
MD5

65f4a96297b370caea9d1ccdd31e2270
SHA1

94c2f59f019840ede04857317648410a57cf10ea
SHA256

d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80
SHA512

8115e2462741c82213827b36b37568b8aec912d4cadb0455b7635a3ac71baca7178b612214f1ca9e1cb029b3c5dbdbbcec89ebeba99b3ab4f99f3f3b4b14d4a2
SSDEEP

384:8sqSefmxpDQcx2cSusSUtL+06jgFACcyMZZjvRmRvR6JZlbw8hqIusZzZ9t:DVhL1sSFPyqgRpcnuE

Score

10^/10

njrat xxx evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

xXx

C2

127.0.0.1:9200

Mutex

aea8f84570c5d2216045d7b2ed936eb3

Attributes

reg_key
aea8f84570c5d2216045d7b2ed936eb3
splitter
|'|'|

Signatures

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

Processes:

dlhost.exe

pid process

1924 dlhost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4208 netsh.exe

pid	process
1924	dlhost.exe

pid	process
4208	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:

d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe

Drops startup file 2 IoCs

Processes:

dlhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aea8f84570c5d2216045d7b2ed936eb3.exe	dlhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aea8f84570c5d2216045d7b2ed936eb3.exe	dlhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dlhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aea8f84570c5d2216045d7b2ed936eb3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlhost.exe\" .."	dlhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\aea8f84570c5d2216045d7b2ed936eb3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlhost.exe\" .."	dlhost.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 27 IoCs

Processes:

dlhost.exe

description	pid	process
Token: SeDebugPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe
Token: 33	1924	dlhost.exe
Token: SeIncBasePriorityPrivilege	1924	dlhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exedlhost.exe

description	pid	process	target process
PID 4968 wrote to memory of 1924	4968	d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe	dlhost.exe
PID 4968 wrote to memory of 1924	4968	d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe	dlhost.exe
PID 4968 wrote to memory of 1924	4968	d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe	dlhost.exe
PID 1924 wrote to memory of 4208	1924	dlhost.exe	netsh.exe
PID 1924 wrote to memory of 4208	1924	dlhost.exe	netsh.exe
PID 1924 wrote to memory of 4208	1924	dlhost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe
"C:\Users\Admin\AppData\Local\Temp\d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968

C:\Users\Admin\AppData\Local\Temp\dlhost.exe
"C:\Users\Admin\AppData\Local\Temp\dlhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dlhost.exe" "dlhost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4208

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dlhost.exe
Filesize
24KB

MD5
65f4a96297b370caea9d1ccdd31e2270

SHA1
94c2f59f019840ede04857317648410a57cf10ea

SHA256
d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80

SHA512
8115e2462741c82213827b36b37568b8aec912d4cadb0455b7635a3ac71baca7178b612214f1ca9e1cb029b3c5dbdbbcec89ebeba99b3ab4f99f3f3b4b14d4a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\dlhost.exe
Filesize
24KB

MD5
65f4a96297b370caea9d1ccdd31e2270

SHA1
94c2f59f019840ede04857317648410a57cf10ea

SHA256
d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80

SHA512
8115e2462741c82213827b36b37568b8aec912d4cadb0455b7635a3ac71baca7178b612214f1ca9e1cb029b3c5dbdbbcec89ebeba99b3ab4f99f3f3b4b14d4a2

Download Submit
memory/1924-134-0x0000000000000000-mapping.dmp

Download
memory/1924-137-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/1924-140-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4208-139-0x0000000000000000-mapping.dmp

Download
memory/4968-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4968-133-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4968-138-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads