njrat | 70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

General

Target

70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe
Size

29KB
MD5

394898effddbcb4730c06d1564af978d
SHA1

1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d
SHA256

70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8
SHA512

866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c
SSDEEP

384:aBgJGJl7tj1Msagab1h5Vh+2CWmqDebD59ePbGBsbh0w4wlAokw9OhgOL1vYRGOG:aZ7nMsanzR+2cqEDveyBKh0p29SgRJO

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

mhacker783.no-ip.org:1177

Mutex

dda179c09ae689633f05cced9ee19fb5

Attributes

reg_key
dda179c09ae689633f05cced9ee19fb5
splitter
|'|'|

Signatures

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

Processes:

dwm.exe

pid process

4328 dwm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3520 netsh.exe

pid	process
3520	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:

70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dwm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dda179c09ae689633f05cced9ee19fb5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe\" .."	dwm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dda179c09ae689633f05cced9ee19fb5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe\" .."	dwm.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 33 IoCs

Processes:

dwm.exe

pid	process
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe
4328	dwm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dwm.exe

description pid process

Token: SeDebugPrivilege 4328 dwm.exe

description	pid	process
Token: SeDebugPrivilege	4328	dwm.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exedwm.exe

description	pid	process	target process
PID 5048 wrote to memory of 4328	5048	70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe	dwm.exe
PID 5048 wrote to memory of 4328	5048	70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe	dwm.exe
PID 5048 wrote to memory of 4328	5048	70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe	dwm.exe
PID 4328 wrote to memory of 3520	4328	dwm.exe	netsh.exe
PID 4328 wrote to memory of 3520	4328	dwm.exe	netsh.exe
PID 4328 wrote to memory of 3520	4328	dwm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe
"C:\Users\Admin\AppData\Local\Temp\70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5048

C:\Users\Admin\AppData\Roaming\dwm.exe
"C:\Users\Admin\AppData\Roaming\dwm.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4328

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\dwm.exe" "dwm.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3520

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\Roaming\dwm.exe

Filesize
29KB

MD5
394898effddbcb4730c06d1564af978d

SHA1
1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d

SHA256
70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

SHA512
866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c

Download Submit
C:\Users\Admin\AppData\Roaming\dwm.exe

Filesize
29KB

MD5
394898effddbcb4730c06d1564af978d

SHA1
1eb2c9b1923ca8b9d8b3cdbef872506a6d74680d

SHA256
70664d8f9052a7d96fade62f84010761aa10e68c7a03e8dc5785710f991b67e8

SHA512
866c07fba65067545339f91335fca9c459f6bec20eaab28dfb53b68f73ac44a6a569490e17927c97cbac0e81c2826425908ce74a3524983dd243b7f3c0322f6c

Download Submit
memory/3520-138-0x0000000000000000-mapping.dmp

Download
memory/4328-134-0x0000000000000000-mapping.dmp

Download
memory/4328-139-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/4328-140-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5048-132-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5048-133-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/5048-137-0x0000000075420000-0x00000000759D1000-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