njrat | d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3

General

Target

d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe
Size

30KB
MD5

5fcdd3650009a565f795bc12d0adc5a8
SHA1

66a5a4ee24e9eadfd02605b6a2e80b89027b4bdc
SHA256

d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3
SHA512

5395db318cc5f64b73b5bb37b041fa3a7e787cecabe1fd6f5b5712f0891ed404068ce40973f946ad50f5e6d8aa627373a28c2141b715cd19905e2c276a5aa4ad
SSDEEP

384:xNG9iDrHrbJ6kA6g8tOpaz5pHEdKw/8aUZJfcKMr57WiEIxgE26PaMUbiQvIw7Do:PJA69J5JSn7gigKUbTD

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

svhost.exe

pid process

4800 svhost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1476 netsh.exe

pid	process
1476	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:

d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe

Drops startup file 2 IoCs

Processes:

svhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b5857819bb096c04134249d6f4e71934.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b5857819bb096c04134249d6f4e71934.exe	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b5857819bb096c04134249d6f4e71934 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b5857819bb096c04134249d6f4e71934 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .."	svhost.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 45 IoCs

Processes:

svhost.exe

pid	process
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe
4800	svhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svhost.exe

description pid process

Token: SeDebugPrivilege 4800 svhost.exe

description	pid	process
Token: SeDebugPrivilege	4800	svhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exesvhost.exe

description	pid	process	target process
PID 4880 wrote to memory of 4800	4880	d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe	svhost.exe
PID 4880 wrote to memory of 4800	4880	d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe	svhost.exe
PID 4880 wrote to memory of 4800	4880	d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe	svhost.exe
PID 4800 wrote to memory of 1476	4800	svhost.exe	netsh.exe
PID 4800 wrote to memory of 1476	4800	svhost.exe	netsh.exe
PID 4800 wrote to memory of 1476	4800	svhost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe
"C:\Users\Admin\AppData\Local\Temp\d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4880

C:\Users\Admin\AppData\Roaming\svhost.exe
"C:\Users\Admin\AppData\Roaming\svhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1476

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svhost.exe
Filesize
30KB

MD5
5fcdd3650009a565f795bc12d0adc5a8

SHA1
66a5a4ee24e9eadfd02605b6a2e80b89027b4bdc

SHA256
d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3

SHA512
5395db318cc5f64b73b5bb37b041fa3a7e787cecabe1fd6f5b5712f0891ed404068ce40973f946ad50f5e6d8aa627373a28c2141b715cd19905e2c276a5aa4ad

Download Submit
C:\Users\Admin\AppData\Roaming\svhost.exe
Filesize
30KB

MD5
5fcdd3650009a565f795bc12d0adc5a8

SHA1
66a5a4ee24e9eadfd02605b6a2e80b89027b4bdc

SHA256
d6292ffdb4fa80ec04e6ebd87f416da5521545fa200e7dfbcb636d8a323f9ed3

SHA512
5395db318cc5f64b73b5bb37b041fa3a7e787cecabe1fd6f5b5712f0891ed404068ce40973f946ad50f5e6d8aa627373a28c2141b715cd19905e2c276a5aa4ad

Download Submit
memory/1476-136-0x0000000000000000-mapping.dmp

Download
memory/4800-133-0x0000000000000000-mapping.dmp

Download
memory/4800-138-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4800-139-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4880-132-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4880-137-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads