plugx | 7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f

Analysis

max time kernel
169s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25-06-2022 08:06

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General

Target

7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe
Size

300KB
MD5

b6c09f49e6d7472441e01d90d803cb11
SHA1

df04fb84795369edada908955e5b1d80c8be6c8d
SHA256

7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f
SHA512

ac8ae7a5081f94419fb42d3ec735e1f883917146b610b52aff27ebf81bf9498e790f86f98406888e7ceeda1db083bb4f47ebc3b30d45e4cb77e58db47cff91f6

Score

10^/10

plugx suricata trojan

Malware Config

Signatures

Detects PlugX Payload 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4728-137-0x0000000000570000-0x000000000059C000-memory.dmp	family_plugx
behavioral2/memory/4800-146-0x0000000000E30000-0x0000000000E5C000-memory.dmp	family_plugx
behavioral2/memory/4128-148-0x0000000001350000-0x000000000137C000-memory.dmp	family_plugx
behavioral2/memory/4864-147-0x0000000002160000-0x000000000218C000-memory.dmp	family_plugx
behavioral2/memory/4128-149-0x0000000001350000-0x000000000137C000-memory.dmp	family_plugx
behavioral2/memory/4340-151-0x0000000000B40000-0x0000000000B6C000-memory.dmp	family_plugx
behavioral2/memory/4340-152-0x0000000000B40000-0x0000000000B6C000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
suricata: ET MALWARE PlugX CnC Beacon
suricata: ET MALWARE PlugX CnC Beacon
suricata
suricata: ET MALWARE PlugX/Destory HTTP traffic
suricata: ET MALWARE PlugX/Destory HTTP traffic
suricata
suricata: ET MALWARE Possible PlugX Common Header Struct
suricata: ET MALWARE Possible PlugX Common Header Struct
suricata
suricata: ET MALWARE UPDATE Protocol Trojan Communication detected on http ports 2
suricata: ET MALWARE UPDATE Protocol Trojan Communication detected on http ports 2
suricata
suricata: ET MALWARE Wapack Labs Sinkhole DNS Reply
suricata: ET MALWARE Wapack Labs Sinkhole DNS Reply
suricata
Executes dropped EXE 3 IoCs

Processes:

Nv.exeNv.exeNv.exe

pid process

4728 Nv.exe
4864 Nv.exe
4800 Nv.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:

7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe

Loads dropped DLL 3 IoCs

Processes:

Nv.exeNv.exeNv.exe

pid process

4728 Nv.exe
4864 Nv.exe
4800 Nv.exe

Drops file in System32 directory 4 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	svchost.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 20 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe

Modifies registry class 2 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 39003200460030003400380030003600420031004500310034004300450035000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Nv.exesvchost.exemsiexec.exe

pid	process
4728	Nv.exe
4728	Nv.exe
4128	svchost.exe
4128	svchost.exe
4128	svchost.exe
4128	svchost.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4128	svchost.exe
4128	svchost.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4128	svchost.exe
4128	svchost.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4128	svchost.exe
4128	svchost.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4128	svchost.exe
4128	svchost.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe
4340	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

svchost.exemsiexec.exe

pid process

4128 svchost.exe
4340 msiexec.exe

pid	process
4128	svchost.exe
4340	msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

Nv.exeNv.exeNv.exesvchost.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	4728	Nv.exe
Token: SeTcbPrivilege	4728	Nv.exe
Token: SeDebugPrivilege	4864	Nv.exe
Token: SeTcbPrivilege	4864	Nv.exe
Token: SeDebugPrivilege	4800	Nv.exe
Token: SeTcbPrivilege	4800	Nv.exe
Token: SeDebugPrivilege	4128	svchost.exe
Token: SeTcbPrivilege	4128	svchost.exe
Token: SeDebugPrivilege	4340	msiexec.exe
Token: SeTcbPrivilege	4340	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exeNv.exesvchost.exe

description	pid	process	target process
PID 4608 wrote to memory of 4728	4608	7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe	Nv.exe
PID 4608 wrote to memory of 4728	4608	7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe	Nv.exe
PID 4608 wrote to memory of 4728	4608	7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe	Nv.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4800 wrote to memory of 4128	4800	Nv.exe	svchost.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe
PID 4128 wrote to memory of 4340	4128	svchost.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe
"C:\Users\Admin\AppData\Local\Temp\7d443ca8562cc1161e8df5b72b50cec904828fd8b58b36836eac57a7d56d8f5f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4608

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe 201 0
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4128

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\system32\msiexec.exe 209 4128
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4340

C:\ProgramData\wudfsvcS\Nv.exe
"C:\ProgramData\wudfsvcS\Nv.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800

C:\ProgramData\wudfsvcS\Nv.exe
"C:\ProgramData\wudfsvcS\Nv.exe" 100 4728
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:4864

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\wudfsvcS\Nv.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\wudfsvcS\Nv.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\wudfsvcS\Nv.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\wudfsvcS\NvSmartMax.dll
Filesize
2KB

MD5
8512bd8127955871c357c64b6d25d117

SHA1
eddf498e990bfcd047b966b5a1592bed5aa4c920

SHA256
a10584383a41fc2548a40b6034679eba7b31c5f173a3f7f16b59bc9445892491

SHA512
ddfa9e3fae271f213689bec3265ace7dc85f8d5c185c6461c31c8f3f3b2bc383ef391a4e4e5d4a6adca1bbecb3acb9e6e36e8b3d2ce41b1f359280ffdeef62b2

Download Submit
C:\ProgramData\wudfsvcS\NvSmartMax.dll
Filesize
2KB

MD5
8512bd8127955871c357c64b6d25d117

SHA1
eddf498e990bfcd047b966b5a1592bed5aa4c920

SHA256
a10584383a41fc2548a40b6034679eba7b31c5f173a3f7f16b59bc9445892491

SHA512
ddfa9e3fae271f213689bec3265ace7dc85f8d5c185c6461c31c8f3f3b2bc383ef391a4e4e5d4a6adca1bbecb3acb9e6e36e8b3d2ce41b1f359280ffdeef62b2

Download Submit
C:\ProgramData\wudfsvcS\NvSmartMax.dll
Filesize
2KB

MD5
8512bd8127955871c357c64b6d25d117

SHA1
eddf498e990bfcd047b966b5a1592bed5aa4c920

SHA256
a10584383a41fc2548a40b6034679eba7b31c5f173a3f7f16b59bc9445892491

SHA512
ddfa9e3fae271f213689bec3265ace7dc85f8d5c185c6461c31c8f3f3b2bc383ef391a4e4e5d4a6adca1bbecb3acb9e6e36e8b3d2ce41b1f359280ffdeef62b2

Download Submit
C:\ProgramData\wudfsvcS\NvSmartMax.dll.URL
Filesize
110KB

MD5
4eede41a3150de95a8e2093f96ada5b0

SHA1
2cb4fdf46755241d10762357092d0445f4b8eaac

SHA256
ba7da4f591fd346ca893b0fbe5f203cb7c2cfb8e132247eb0439f0a28ec17054

SHA512
767f3c2c285bb2c9a446468b6c8402923ccc6880084a9f28698b5847e9778f5e743854371919b5d1236854adba725eec2a7e771359e656a71929b16fb316f45c

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\NvSmartMax.dll
Filesize
2KB

MD5
8512bd8127955871c357c64b6d25d117

SHA1
eddf498e990bfcd047b966b5a1592bed5aa4c920

SHA256
a10584383a41fc2548a40b6034679eba7b31c5f173a3f7f16b59bc9445892491

SHA512
ddfa9e3fae271f213689bec3265ace7dc85f8d5c185c6461c31c8f3f3b2bc383ef391a4e4e5d4a6adca1bbecb3acb9e6e36e8b3d2ce41b1f359280ffdeef62b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\NvSmartMax.dll
Filesize
2KB

MD5
8512bd8127955871c357c64b6d25d117

SHA1
eddf498e990bfcd047b966b5a1592bed5aa4c920

SHA256
a10584383a41fc2548a40b6034679eba7b31c5f173a3f7f16b59bc9445892491

SHA512
ddfa9e3fae271f213689bec3265ace7dc85f8d5c185c6461c31c8f3f3b2bc383ef391a4e4e5d4a6adca1bbecb3acb9e6e36e8b3d2ce41b1f359280ffdeef62b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\NvSmartMax.dll.URL
Filesize
110KB

MD5
4eede41a3150de95a8e2093f96ada5b0

SHA1
2cb4fdf46755241d10762357092d0445f4b8eaac

SHA256
ba7da4f591fd346ca893b0fbe5f203cb7c2cfb8e132247eb0439f0a28ec17054

SHA512
767f3c2c285bb2c9a446468b6c8402923ccc6880084a9f28698b5847e9778f5e743854371919b5d1236854adba725eec2a7e771359e656a71929b16fb316f45c

Download Submit
memory/4128-145-0x0000000000000000-mapping.dmp

Download
memory/4128-148-0x0000000001350000-0x000000000137C000-memory.dmp

Filesize
176KB

Download
memory/4128-149-0x0000000001350000-0x000000000137C000-memory.dmp

Filesize
176KB

Download
memory/4340-150-0x0000000000000000-mapping.dmp

Download
memory/4340-151-0x0000000000B40000-0x0000000000B6C000-memory.dmp

Filesize
176KB

Download
memory/4340-152-0x0000000000B40000-0x0000000000B6C000-memory.dmp

Filesize
176KB

Download
memory/4728-137-0x0000000000570000-0x000000000059C000-memory.dmp

Filesize
176KB

Download
memory/4728-130-0x0000000000000000-mapping.dmp

Download
memory/4728-136-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/4800-146-0x0000000000E30000-0x0000000000E5C000-memory.dmp

Filesize
176KB

Download
memory/4864-147-0x0000000002160000-0x000000000218C000-memory.dmp

Filesize
176KB

Download