njrat | c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea

General

Target

c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe
Size

43KB
MD5

587ad6e22bb4925dd74971fb811742d2
SHA1

ed232dd2da4676de64df99bdf43d86b5049b65f2
SHA256

c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea
SHA512

552bba329873ed49765327677731fd2f99107cc2837748011dfcc792b5e9158c4c248c08d2ef6f1e70a11616d6684df4fa0068a32853a7b8eb1bd1077d56e57e
SSDEEP

384:dZyBcUdsbhKIyKPDbSYeE6rrez8Iij+ZsNO3PlpJKkkjh/TzF7pWn/dwgreT0pqP:XeRiwFKrbvUsuXQ/o40+L

Score

10^/10

njrat 34234234 discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

34234234

C2

146.158.107.225:8408

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
4716	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2300	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe
4716	svchost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe
Token: 33	4716	svchost.exe
Token: SeIncBasePriorityPrivilege	4716	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 4716	2300	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe	84
PID 2300 wrote to memory of 4716	2300	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe	84
PID 2300 wrote to memory of 4716	2300	c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe	84

C:\Users\Admin\AppData\Local\Temp\c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe
"C:\Users\Admin\AppData\Local\Temp\c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
43KB

MD5
587ad6e22bb4925dd74971fb811742d2

SHA1
ed232dd2da4676de64df99bdf43d86b5049b65f2

SHA256
c8d8f79ad37249faa03dae92947af35d310fffc28b7597507246d1f8c8eb9fea

SHA512
552bba329873ed49765327677731fd2f99107cc2837748011dfcc792b5e9158c4c248c08d2ef6f1e70a11616d6684df4fa0068a32853a7b8eb1bd1077d56e57e

Download Submit
memory/2300-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x0000000000650000-0x0000000000662000-memory.dmp

Filesize
72KB

Download
memory/2300-2-0x0000000005040000-0x00000000050DC000-memory.dmp

Filesize
624KB

Download
memory/2300-3-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/2300-4-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2300-5-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/2300-15-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4716-16-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4716-18-0x00000000060E0000-0x00000000060EA000-memory.dmp

Filesize
40KB

Download
memory/4716-19-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads