njrat | e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92

General

Target

e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe
Size

29KB
MD5

27cf68106b97ad92a2798175ca901dfc
SHA1

3a53744770bbe4bd5bc0812139beadc07b9aca9d
SHA256

e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92
SHA512

8a75b377367205aed121a4a24e0ecf23fcf019f8c1b20f68a5e464e4504291f6c26170d3507a43ad16164831b3ee7699fb8cea31eac91c95b8dd845bb7bbb991
SSDEEP

384:39Hntl7Dg+Os30YvykT51BtVQ+m1DXeKemqGBsbh0w4wlAokw9OhgOL1vYRGOZz5:h77Gs30Y6yVtV+1yKe2BKh0p29SgRlD

Score

10^/10

njrat تــــــــــــــــشفيره حسن evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

تــــــــــــــــشفيره حسن

C2

titorero.no-ip.biz:1177

Mutex

45467b6c8a905a8a88429593036f8ea8

Attributes

reg_key
45467b6c8a905a8a88429593036f8ea8
splitter
|'|'|

Signatures

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

Processes:

systm.exe

pid process

1920 systm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1848 netsh.exe

pid	process
1848	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:

e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe

Drops startup file 2 IoCs

Processes:

systm.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45467b6c8a905a8a88429593036f8ea8.exe	systm.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45467b6c8a905a8a88429593036f8ea8.exe	systm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

systm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\45467b6c8a905a8a88429593036f8ea8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systm.exe\" .."	systm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\45467b6c8a905a8a88429593036f8ea8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systm.exe\" .."	systm.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:

systm.exe

pid	process
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe
1920	systm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

systm.exe

description pid process

Token: SeDebugPrivilege 1920 systm.exe

description	pid	process
Token: SeDebugPrivilege	1920	systm.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exesystm.exe

description	pid	process	target process
PID 456 wrote to memory of 1920	456	e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe	systm.exe
PID 456 wrote to memory of 1920	456	e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe	systm.exe
PID 456 wrote to memory of 1920	456	e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe	systm.exe
PID 1920 wrote to memory of 1848	1920	systm.exe	netsh.exe
PID 1920 wrote to memory of 1848	1920	systm.exe	netsh.exe
PID 1920 wrote to memory of 1848	1920	systm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe
"C:\Users\Admin\AppData\Local\Temp\e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:456

C:\Users\Admin\AppData\Roaming\systm.exe
"C:\Users\Admin\AppData\Roaming\systm.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:1920

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systm.exe" "systm.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1848

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\systm.exe

Filesize
29KB

MD5
27cf68106b97ad92a2798175ca901dfc

SHA1
3a53744770bbe4bd5bc0812139beadc07b9aca9d

SHA256
e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92

SHA512
8a75b377367205aed121a4a24e0ecf23fcf019f8c1b20f68a5e464e4504291f6c26170d3507a43ad16164831b3ee7699fb8cea31eac91c95b8dd845bb7bbb991

Download Submit
C:\Users\Admin\AppData\Roaming\systm.exe

Filesize
29KB

MD5
27cf68106b97ad92a2798175ca901dfc

SHA1
3a53744770bbe4bd5bc0812139beadc07b9aca9d

SHA256
e457475647e3099f338c199190a8a30eb52e53fd7d49bae8f0e076fa27703e92

SHA512
8a75b377367205aed121a4a24e0ecf23fcf019f8c1b20f68a5e464e4504291f6c26170d3507a43ad16164831b3ee7699fb8cea31eac91c95b8dd845bb7bbb991

Download Submit
memory/456-132-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/456-136-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1848-137-0x0000000000000000-mapping.dmp

Download
memory/1920-133-0x0000000000000000-mapping.dmp

Download
memory/1920-138-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/1920-139-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads