njrat | bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

General

Target

a525852c019588983cd5dfaf14ad6adb.exe
Size

43KB
MD5

a525852c019588983cd5dfaf14ad6adb
SHA1

3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4
SHA256

bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a
SHA512

37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Score

10^/10

njrat hacked persistence suricata trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

8.tcp.ngrok.io:11826

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Executes dropped EXE 3 IoCs

Processes:

Dllhost.exeServer.exeServer.exe

pid process

1248 Dllhost.exe
1496 Server.exe
1856 Server.exe

pid	process
1248	Dllhost.exe
1496	Server.exe
1856	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

Loads dropped DLL 1 IoCs

Processes:

a525852c019588983cd5dfaf14ad6adb.exe

pid process

1668 a525852c019588983cd5dfaf14ad6adb.exe

pid	process
1668	a525852c019588983cd5dfaf14ad6adb.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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\ProgramData\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\ProgramData\\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

1852 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

a525852c019588983cd5dfaf14ad6adb.exeDllhost.exe

pid process

1668 a525852c019588983cd5dfaf14ad6adb.exe
1248 Dllhost.exe

pid	process
1852	schtasks.exe

pid	process
1668	a525852c019588983cd5dfaf14ad6adb.exe
1248	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe
Token: 33	1248	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1248	Dllhost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a525852c019588983cd5dfaf14ad6adb.exeDllhost.exetaskeng.exe

description	pid	process	target process
PID 1668 wrote to memory of 1248	1668	a525852c019588983cd5dfaf14ad6adb.exe	Dllhost.exe
PID 1668 wrote to memory of 1248	1668	a525852c019588983cd5dfaf14ad6adb.exe	Dllhost.exe
PID 1668 wrote to memory of 1248	1668	a525852c019588983cd5dfaf14ad6adb.exe	Dllhost.exe
PID 1668 wrote to memory of 1248	1668	a525852c019588983cd5dfaf14ad6adb.exe	Dllhost.exe
PID 1248 wrote to memory of 1852	1248	Dllhost.exe	schtasks.exe
PID 1248 wrote to memory of 1852	1248	Dllhost.exe	schtasks.exe
PID 1248 wrote to memory of 1852	1248	Dllhost.exe	schtasks.exe
PID 1248 wrote to memory of 1852	1248	Dllhost.exe	schtasks.exe
PID 1316 wrote to memory of 1496	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1496	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1496	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1496	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1856	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1856	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1856	1316	taskeng.exe	Server.exe
PID 1316 wrote to memory of 1856	1316	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\a525852c019588983cd5dfaf14ad6adb.exe
"C:\Users\Admin\AppData\Local\Temp\a525852c019588983cd5dfaf14ad6adb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1668

C:\ProgramData\Dllhost.exe
"C:\ProgramData\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:1248

C:\Windows\SysWOW64\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:1852

C:\Windows\system32\taskeng.exe
taskeng.exe {816F4E56-B116-4FCB-9A12-93F2F02B458C} S-1-5-21-3846991908-3261386348-1409841751-1000:VQVVOAJK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1496

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1856

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

Replay Monitor

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Downloads

C:\ProgramData\Dllhost.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
C:\ProgramData\Dllhost.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
\ProgramData\Dllhost.exe
MD5
a525852c019588983cd5dfaf14ad6adb

SHA1
3f42d19e1a1cca9ed6dfb5146e70bd3713d23bc4

SHA256
bfeffd6642e3138ba6728ebda1c241d052c9add4f4b4a6a108104bc46656180a

SHA512
37362fd970df11ba79f4aa557d07f5729c8f1d6497367aaabf8e8d4bfb162601ba5071a76cad7c72d731cd54ed39b17fd054f9d6b54c5efd81dc9623cff2f619

Download Submit
memory/1248-60-0x0000000000D20000-0x0000000000D32000-memory.dmp

Filesize
72KB

Download
memory/1248-61-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1496-65-0x00000000000A0000-0x00000000000B2000-memory.dmp

Filesize
72KB

Download
memory/1496-66-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/1668-54-0x00000000001C0000-0x00000000001D2000-memory.dmp

Filesize
72KB

Download
memory/1668-56-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1668-55-0x0000000004660000-0x0000000004661000-memory.dmp

Filesize
4KB

Download
memory/1856-68-0x0000000000D10000-0x0000000000D22000-memory.dmp

Filesize
72KB

Download
memory/1856-69-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads