njrat | d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c

General

Target

d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe
Size

1.6MB
MD5

9aa5899b0cea4a5c982b8f2ffd9c1a76
SHA1

00dd99db2fe25005e097ff4babefc7fb4a55041b
SHA256

d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c
SHA512

12ca0a7eebe9ec89864f68367fae2a3bb0159cdc97132ef4defc3f99186cdd21fd1325d30d8584fb4678e4467147dda8a2563cbf52f15b6ddc8a73e73840c58b

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

0.tcp.ngrok.io:14031

Mutex

WindowsUpdate

Attributes

reg_key
WindowsUpdate
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

Server.exesvchost.exe

pid process

1824 Server.exe
2772 svchost.exe

pid	process
1824	Server.exe
2772	svchost.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exeServer.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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: GetForegroundWindowSpam 2 IoCs

Processes:

Server.exesvchost.exe

pid process

1824 Server.exe
2772 svchost.exe

pid	process
1824	Server.exe
2772	svchost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe
Token: 33	2772	svchost.exe
Token: SeIncBasePriorityPrivilege	2772	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exeServer.exe

description	pid	process	target process
PID 3880 wrote to memory of 1824	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	Server.exe
PID 3880 wrote to memory of 1824	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	Server.exe
PID 3880 wrote to memory of 1824	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	Server.exe
PID 3880 wrote to memory of 1288	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	cmd.exe
PID 3880 wrote to memory of 1288	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	cmd.exe
PID 3880 wrote to memory of 1288	3880	d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe	cmd.exe
PID 1824 wrote to memory of 2772	1824	Server.exe	svchost.exe
PID 1824 wrote to memory of 2772	1824	Server.exe	svchost.exe
PID 1824 wrote to memory of 2772	1824	Server.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe
"C:\Users\Admin\AppData\Local\Temp\d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3880

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1824

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2772

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\d71fa2def00022ad0a2d124bda3d44a5482ef1f7dad6894839863dbe6878208c.exe" >> NUL
2⤵
PID:1288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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\Server.exe
Filesize
43KB

MD5
4dbfe99e4a14f3d876d9140b8de42e9d

SHA1
acc2b1d22d454dafd02b9bde4620ad4df2018160

SHA256
620bb74f3fbc78dd3f4a8ba80994a0e24b4f540ed4f06aabebe8a9e63205fc46

SHA512
65de918b3045ff3bbb7fd8c8e26911014ea672f5c62e41c0505a715745248fd3ed125dabee2031a6cfb8d86b671a50f97d4c5f978054d7379938f6122ced277f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
43KB

MD5
4dbfe99e4a14f3d876d9140b8de42e9d

SHA1
acc2b1d22d454dafd02b9bde4620ad4df2018160

SHA256
620bb74f3fbc78dd3f4a8ba80994a0e24b4f540ed4f06aabebe8a9e63205fc46

SHA512
65de918b3045ff3bbb7fd8c8e26911014ea672f5c62e41c0505a715745248fd3ed125dabee2031a6cfb8d86b671a50f97d4c5f978054d7379938f6122ced277f

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
43KB

MD5
4dbfe99e4a14f3d876d9140b8de42e9d

SHA1
acc2b1d22d454dafd02b9bde4620ad4df2018160

SHA256
620bb74f3fbc78dd3f4a8ba80994a0e24b4f540ed4f06aabebe8a9e63205fc46

SHA512
65de918b3045ff3bbb7fd8c8e26911014ea672f5c62e41c0505a715745248fd3ed125dabee2031a6cfb8d86b671a50f97d4c5f978054d7379938f6122ced277f

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
43KB

MD5
4dbfe99e4a14f3d876d9140b8de42e9d

SHA1
acc2b1d22d454dafd02b9bde4620ad4df2018160

SHA256
620bb74f3fbc78dd3f4a8ba80994a0e24b4f540ed4f06aabebe8a9e63205fc46

SHA512
65de918b3045ff3bbb7fd8c8e26911014ea672f5c62e41c0505a715745248fd3ed125dabee2031a6cfb8d86b671a50f97d4c5f978054d7379938f6122ced277f

Download Submit
memory/1288-133-0x0000000000000000-mapping.dmp

Download
memory/1824-130-0x0000000000000000-mapping.dmp

Download
memory/1824-134-0x00000000000B0000-0x00000000000C2000-memory.dmp

Filesize
72KB

Download
memory/1824-135-0x00000000048F0000-0x000000000498C000-memory.dmp

Filesize
624KB

Download
memory/1824-136-0x00000000051C0000-0x0000000005764000-memory.dmp

Filesize
5.6MB

Download
memory/1824-137-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/2772-138-0x0000000000000000-mapping.dmp

Download
memory/2772-141-0x0000000005390000-0x000000000539A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads