njrat | 1092849f2f8f3fb0d1f89f0bff367d0a0f1f138fe5eb45b56f0a970b1677e4be

General

Target

6ADD6FA3EA74FFCBA90B3630ACDE5182.exe
Size

76KB
MD5

6add6fa3ea74ffcba90b3630acde5182
SHA1

cd202aa598e13a57e6d2bb8c614eb3122d6fb280
SHA256

1092849f2f8f3fb0d1f89f0bff367d0a0f1f138fe5eb45b56f0a970b1677e4be
SHA512

b57f846773f78fda8ba5c8b4b718d092d9037df788d0ea41954d6170bc1e35391ab10d8d12658b8be26e31a16deb78e665c74d5fdc44d11c8bf8216af3ff794b
SSDEEP

1536:I8R7MJTttj9U5XvdKygf7oFOepKmqwBCmDqorCMCX9QKkW:lCftjK5FKZf+OfwcmZ2RX9QLW

Score

10^/10

njrat svchost persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

Svchost

C2

95.173.255.238:4444

Mutex

Windows Defender

Attributes

reg_key
Windows Defender
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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:

6ADD6FA3EA74FFCBA90B3630ACDE5182.exeServer.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	Server.exe

Drops startup file 2 IoCs

Processes:

Svchost.exe

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

Executes dropped EXE 2 IoCs

Processes:

Server.exeSvchost.exe

pid process

1716 Server.exe
2848 Svchost.exe

pid	process
1716	Server.exe
2848	Svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Svchost.exe\" .."	Svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Svchost.exe\" .."	Svchost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

6ADD6FA3EA74FFCBA90B3630ACDE5182.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\Local Settings	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe

Runs .reg file with regedit 1 IoCs

Processes:

regedit.exe

pid process

3564 regedit.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2324 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

2488 powershell.exe
2488 powershell.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

Server.exeSvchost.exe

pid process

1716 Server.exe
2848 Svchost.exe

pid	process
3564	regedit.exe

pid	process
2324	PING.EXE

pid	process
2488	powershell.exe
2488	powershell.exe

pid	process
1716	Server.exe
2848	Svchost.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

powershell.exeSvchost.exe

description	pid	process
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeDebugPrivilege	2848	Svchost.exe
Token: 33	2848	Svchost.exe
Token: SeIncBasePriorityPrivilege	2848	Svchost.exe
Token: 33	2848	Svchost.exe
Token: SeIncBasePriorityPrivilege	2848	Svchost.exe
Token: 33	2848	Svchost.exe
Token: SeIncBasePriorityPrivilege	2848	Svchost.exe
Token: 33	2848	Svchost.exe
Token: SeIncBasePriorityPrivilege	2848	Svchost.exe
Token: 33	2848	Svchost.exe
Token: SeIncBasePriorityPrivilege	2848	Svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

6ADD6FA3EA74FFCBA90B3630ACDE5182.exeServer.exeSvchost.execmd.exe

description	pid	process	target process
PID 2616 wrote to memory of 2488	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	powershell.exe
PID 2616 wrote to memory of 2488	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	powershell.exe
PID 2616 wrote to memory of 1716	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	Server.exe
PID 2616 wrote to memory of 1716	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	Server.exe
PID 2616 wrote to memory of 1716	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	Server.exe
PID 2616 wrote to memory of 3564	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	regedit.exe
PID 2616 wrote to memory of 3564	2616	6ADD6FA3EA74FFCBA90B3630ACDE5182.exe	regedit.exe
PID 1716 wrote to memory of 2848	1716	Server.exe	Svchost.exe
PID 1716 wrote to memory of 2848	1716	Server.exe	Svchost.exe
PID 1716 wrote to memory of 2848	1716	Server.exe	Svchost.exe
PID 2848 wrote to memory of 3856	2848	Svchost.exe	cmd.exe
PID 2848 wrote to memory of 3856	2848	Svchost.exe	cmd.exe
PID 2848 wrote to memory of 3856	2848	Svchost.exe	cmd.exe
PID 3856 wrote to memory of 2324	3856	cmd.exe	PING.EXE
PID 3856 wrote to memory of 2324	3856	cmd.exe	PING.EXE
PID 3856 wrote to memory of 2324	3856	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\6ADD6FA3EA74FFCBA90B3630ACDE5182.exe
"C:\Users\Admin\AppData\Local\Temp\6ADD6FA3EA74FFCBA90B3630ACDE5182.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGUAYQB6ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHUAZgBsACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHUAdQBsACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGQAZwBnACMAPgA="
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2488

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\Svchost.exe
"C:\Users\Admin\AppData\Local\Temp\Svchost.exe"
3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\Svchost.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:3856

C:\Windows\regedit.exe
"regedit.exe" "C:\Users\Admin\AppData\Local\Temp\ZulaHAX.reg"
2⤵
- Runs .reg file with regedit
PID:3564

C:\Windows\SysWOW64\PING.EXE
ping 0 -n 2
1⤵
- Runs ping.exe
PID:2324

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
3d5e301c8221356991a5522034c5b907

SHA1
d71baabd5d474aa4aabc865e2ca73db578c71a6d

SHA256
c69616a4c334e550278446c2404e5ac5b896938179ade3a64afcfdf19b254e21

SHA512
9bb1feab4689858fd3034b64d9549ecc60a54a7c8f7e70eff22730855e375921c27901dcdc50e812266b1a80a269dfab2a4df82e8feba65e51e99d162501fc13

Download Submit
C:\Users\Admin\AppData\Local\Temp\ZulaHAX.reg
Filesize
281B

MD5
682e7f391ab8b4da7f66c32606e72d40

SHA1
246ba406ea9993dcef6c0924e4aa81acefc74209

SHA256
3cf29dc045b5c52fca23b16e252dd4d19d18faae0a2ccae3c3543259bbb456dc

SHA512
a1ddffc1f9441373b8c3214a221c840e420dadf4b9709578551886340d6a026bdaed142ea8dca164f536414292becad05795e9c8136d82ba1c3f9ff8bb0419d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hbrduo4y.4wy.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1716-27-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1716-45-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/1716-19-0x00000000016D0000-0x00000000016E0000-memory.dmp

Filesize
64KB

Download
memory/1716-22-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2488-16-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp

Filesize
10.8MB

Download
memory/2488-34-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp

Filesize
10.8MB

Download
memory/2488-17-0x0000027854C40000-0x0000027854C50000-memory.dmp

Filesize
64KB

Download
memory/2488-18-0x0000027854C40000-0x0000027854C50000-memory.dmp

Filesize
64KB

Download
memory/2488-21-0x0000027856A70000-0x0000027856A92000-memory.dmp

Filesize
136KB

Download
memory/2616-15-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp

Filesize
10.8MB

Download
memory/2616-0-0x0000000000BC0000-0x0000000000BD8000-memory.dmp

Filesize
96KB

Download
memory/2616-2-0x000000001B760000-0x000000001B770000-memory.dmp

Filesize
64KB

Download
memory/2616-1-0x00007FF8CA8B0000-0x00007FF8CB371000-memory.dmp

Filesize
10.8MB

Download
memory/2848-44-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2848-46-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2848-49-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download
memory/2848-51-0x00000000745B0000-0x0000000074B61000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads