njrat | f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848

General

Target

f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe
Size

29KB
MD5

56b48e11484f9de5271ec5b299fdb2f8
SHA1

ee065c111bc8bf007a2f0a34db37436f1c530968
SHA256

f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848
SHA512

dff379f4ca929dece1b9360dc02e890970c1e00a00e6c8ca5506c3e2bf0060a3f627905204a2dab715758e07328b53313b830e903d556eee5a10978203846d94

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

ddas.ddns.net:2700

Mutex

664661b4c81638bcf0bec04457373cd7

Attributes

reg_key
664661b4c81638bcf0bec04457373cd7
splitter
|'|'|

Signatures

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

Processes:

ARt2700.exe

pid process

4424 ARt2700.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

224 netsh.exe

pid	process
224	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:

f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ARt2700.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\664661b4c81638bcf0bec04457373cd7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ARt2700.exe\" .."	ARt2700.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\664661b4c81638bcf0bec04457373cd7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ARt2700.exe\" .."	ARt2700.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

ARt2700.exe

pid	process
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe
4424	ARt2700.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ARt2700.exe

description pid process

Token: SeDebugPrivilege 4424 ARt2700.exe

description	pid	process
Token: SeDebugPrivilege	4424	ARt2700.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exeARt2700.exe

description	pid	process	target process
PID 3932 wrote to memory of 4424	3932	f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe	ARt2700.exe
PID 3932 wrote to memory of 4424	3932	f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe	ARt2700.exe
PID 3932 wrote to memory of 4424	3932	f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe	ARt2700.exe
PID 4424 wrote to memory of 224	4424	ARt2700.exe	netsh.exe
PID 4424 wrote to memory of 224	4424	ARt2700.exe	netsh.exe
PID 4424 wrote to memory of 224	4424	ARt2700.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe
"C:\Users\Admin\AppData\Local\Temp\f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3932

C:\Users\Admin\AppData\Local\Temp\ARt2700.exe
"C:\Users\Admin\AppData\Local\Temp\ARt2700.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ARt2700.exe" "ARt2700.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:224

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\ARt2700.exe
Filesize
29KB

MD5
56b48e11484f9de5271ec5b299fdb2f8

SHA1
ee065c111bc8bf007a2f0a34db37436f1c530968

SHA256
f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848

SHA512
dff379f4ca929dece1b9360dc02e890970c1e00a00e6c8ca5506c3e2bf0060a3f627905204a2dab715758e07328b53313b830e903d556eee5a10978203846d94

Download Submit
C:\Users\Admin\AppData\Local\Temp\ARt2700.exe
Filesize
29KB

MD5
56b48e11484f9de5271ec5b299fdb2f8

SHA1
ee065c111bc8bf007a2f0a34db37436f1c530968

SHA256
f51a5cae5ba517e14fa1f0afbc607982c909a2945208ca8a6c2fb9930d4ad848

SHA512
dff379f4ca929dece1b9360dc02e890970c1e00a00e6c8ca5506c3e2bf0060a3f627905204a2dab715758e07328b53313b830e903d556eee5a10978203846d94

Download Submit
memory/224-136-0x0000000000000000-mapping.dmp

Download
memory/3932-130-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/3932-134-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/4424-131-0x0000000000000000-mapping.dmp

Download
memory/4424-135-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/4424-137-0x0000000074FE0000-0x0000000075591000-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