njrat | 92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

General

Target

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
Size

2.0MB
MD5

cbd089fed817ad11f6ad3d2f9731e872
SHA1

138eeed3bbce9d86353e125f0022903ea419fe1a
SHA256

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20
SHA512

c979db0c2332c6c5e9474cc658194fe5a0726a6b310541bb053c72af32882e2acfa44c5609633b5e8008cef51a8a48ea69cf25570e2fb850f6602319dfed5b50

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe\""	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Drops startup file 2 IoCs

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description	pid	process	target process
PID 1948 set thread context of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

pid	process
1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

description pid process

Token: SeDebugPrivilege 1948 92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1980 AcroRd32.exe
1980 AcroRd32.exe
1980 AcroRd32.exe

description	pid	process
Token: SeDebugPrivilege	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe

pid	process
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exerundll32.exe

C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
"C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"
1⤵
- Modifies WinLogon for persistence
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
"C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"
2⤵
PID:1736

C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
"C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"
2⤵
PID:2004

C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
"C:\Users\Admin\AppData\Local\Temp\92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Windows
3⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:240

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Windows"
4⤵
- Suspicious use of SetWindowsHookEx
PID:1980

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Windows
Filesize
2.0MB

MD5
cbd089fed817ad11f6ad3d2f9731e872

SHA1
138eeed3bbce9d86353e125f0022903ea419fe1a

SHA256
92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20

SHA512
c979db0c2332c6c5e9474cc658194fe5a0726a6b310541bb053c72af32882e2acfa44c5609633b5e8008cef51a8a48ea69cf25570e2fb850f6602319dfed5b50

Download Submit
memory/240-347-0x0000000000000000-mapping.dmp

Download
memory/1948-54-0x00000000000F0000-0x00000000002F0000-memory.dmp

Filesize
2.0MB

Download
memory/1948-55-0x00000000003B0000-0x0000000000400000-memory.dmp

Filesize
320KB

Download
memory/1980-350-0x0000000000000000-mapping.dmp

Download
memory/2008-87-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-91-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-63-0x0000000000429B7E-mapping.dmp

Download
memory/2008-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-69-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-73-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-79-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-81-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-83-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-85-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-60-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-89-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-93-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-95-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-97-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-99-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-101-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-103-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-105-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-107-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-109-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-111-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-113-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-117-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-119-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-115-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-59-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-57-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2008-56-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

description	pid	process	target process
PID 1948 wrote to memory of 1736	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 1736	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 1736	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 1736	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2004	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2004	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2004	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2004	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 1948 wrote to memory of 2008	1948	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 2008 wrote to memory of 240	2008	92ec9a0eaccf10c69c6ecb89398669105ec4fa4c8b7172579381ba586746ec20.exe	rundll32.exe
PID 240 wrote to memory of 1980	240	rundll32.exe	AcroRd32.exe
PID 240 wrote to memory of 1980	240	rundll32.exe	AcroRd32.exe
PID 240 wrote to memory of 1980	240	rundll32.exe	AcroRd32.exe
PID 240 wrote to memory of 1980	240	rundll32.exe	AcroRd32.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads