njrat | ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

General

Target

66df4d837d9b6b60b845ef343b763bfb.exe
Size

25KB
MD5

66df4d837d9b6b60b845ef343b763bfb
SHA1

f27a811445b649ff9a91da52152caf847ad38470
SHA256

ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3
SHA512

1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84
SSDEEP

768:svpUfE0bKP7eYkkrbiPs9Mvnv474hIScRj19dU2QW:QG9GP7eA2P5h0F19dU2QW

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

6.tcp.eu.ngrok.io:12072

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

Dllhost.exeServer.exeServer.exe

pid process

1564 Dllhost.exe
1736 Server.exe
1524 Server.exe

pid	process
1564	Dllhost.exe
1736	Server.exe
1524	Server.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

904 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Dllhost.exe

pid process

1564 Dllhost.exe

pid	process
904	schtasks.exe

pid	process
1564	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe
Token: 33	1564	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1564	Dllhost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

66df4d837d9b6b60b845ef343b763bfb.exeDllhost.exetaskeng.exe

description	pid	process	target process
PID 1452 wrote to memory of 1564	1452	66df4d837d9b6b60b845ef343b763bfb.exe	Dllhost.exe
PID 1452 wrote to memory of 1564	1452	66df4d837d9b6b60b845ef343b763bfb.exe	Dllhost.exe
PID 1452 wrote to memory of 1564	1452	66df4d837d9b6b60b845ef343b763bfb.exe	Dllhost.exe
PID 1564 wrote to memory of 904	1564	Dllhost.exe	schtasks.exe
PID 1564 wrote to memory of 904	1564	Dllhost.exe	schtasks.exe
PID 1564 wrote to memory of 904	1564	Dllhost.exe	schtasks.exe
PID 408 wrote to memory of 1736	408	taskeng.exe	Server.exe
PID 408 wrote to memory of 1736	408	taskeng.exe	Server.exe
PID 408 wrote to memory of 1736	408	taskeng.exe	Server.exe
PID 408 wrote to memory of 1524	408	taskeng.exe	Server.exe
PID 408 wrote to memory of 1524	408	taskeng.exe	Server.exe
PID 408 wrote to memory of 1524	408	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\66df4d837d9b6b60b845ef343b763bfb.exe
"C:\Users\Admin\AppData\Local\Temp\66df4d837d9b6b60b845ef343b763bfb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1452

C:\Users\Admin\AppData\Roaming\Dllhost.exe
"C:\Users\Admin\AppData\Roaming\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:904

C:\Windows\system32\taskeng.exe
taskeng.exe {C03637ED-DA6C-4597-B68F-8563A7AA4945} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:408

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1736

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
66df4d837d9b6b60b845ef343b763bfb

SHA1
f27a811445b649ff9a91da52152caf847ad38470

SHA256
ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

SHA512
1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
66df4d837d9b6b60b845ef343b763bfb

SHA1
f27a811445b649ff9a91da52152caf847ad38470

SHA256
ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

SHA512
1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
25KB

MD5
66df4d837d9b6b60b845ef343b763bfb

SHA1
f27a811445b649ff9a91da52152caf847ad38470

SHA256
ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

SHA512
1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84

Download Submit
C:\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
25KB

MD5
66df4d837d9b6b60b845ef343b763bfb

SHA1
f27a811445b649ff9a91da52152caf847ad38470

SHA256
ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

SHA512
1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84

Download Submit
C:\Users\Admin\AppData\Roaming\Dllhost.exe
Filesize
25KB

MD5
66df4d837d9b6b60b845ef343b763bfb

SHA1
f27a811445b649ff9a91da52152caf847ad38470

SHA256
ae1d5fd5d55bedc76554a13d0eee68ae8bb3e9af0cbf4fd3d1ae25e21bc1c1d3

SHA512
1f3258e69151f5fb0680ee02cc554d179092f00278dd54ab0dd75a987494ba75652d3c7f95925e5b25b95f0b4392663046d203b7fc58a2e54871a56899f2ff84

Download Submit
memory/904-61-0x0000000000000000-mapping.dmp

Download
memory/1452-55-0x0000000000160000-0x0000000000172000-memory.dmp

Filesize
72KB

Download
memory/1452-56-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp

Filesize
8KB

Download
memory/1452-54-0x0000000000C10000-0x0000000000C18000-memory.dmp

Filesize
32KB

Download
memory/1524-66-0x0000000000000000-mapping.dmp

Download
memory/1524-68-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/1564-60-0x0000000001340000-0x0000000001348000-memory.dmp

Filesize
32KB

Download
memory/1564-57-0x0000000000000000-mapping.dmp

Download
memory/1736-65-0x0000000000AE0000-0x0000000000AE8000-memory.dmp

Filesize
32KB

Download
memory/1736-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads