plugx | 4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 16:53

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General

Target

4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe
Size

263KB
MD5

582fb65add01ce95d827b96006a3ff42
SHA1

d8931a791f8ef3d4015aec2bffa47808e28877b5
SHA256

4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01
SHA512

6e2194abfba98c6723040b9d4e801a8d4e75cc8449d408638fa80edfa11865cad9d01b768c21919ed863f3e7f97d258930ccbbf6acbc0e65c730ead79f5c7141
SSDEEP

6144:iz+92mhAMJ/cPl3i+eLba0WZj+ufaZef6IMLWKH1cLb1UyOr0Sg3:iK2mhAMJ/cPlQIFXfaZefAyb1FOB2

Score

10^/10

plugx discovery trojan

Malware Config

Signatures

Detects PlugX payload 22 IoCs

resource	yara_rule
behavioral2/memory/1888-20-0x00000000005D0000-0x0000000000600000-memory.dmp	family_plugx
behavioral2/memory/1888-21-0x00000000005D0000-0x0000000000600000-memory.dmp	family_plugx
behavioral2/memory/3016-41-0x00000000006F0000-0x0000000000720000-memory.dmp	family_plugx
behavioral2/memory/3016-40-0x00000000006F0000-0x0000000000720000-memory.dmp	family_plugx
behavioral2/memory/4696-45-0x0000000000D00000-0x0000000000D30000-memory.dmp	family_plugx
behavioral2/memory/4696-46-0x0000000000D00000-0x0000000000D30000-memory.dmp	family_plugx
behavioral2/memory/3744-47-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-48-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-60-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-62-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-65-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-61-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-67-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-66-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/4696-70-0x0000000000D00000-0x0000000000D30000-memory.dmp	family_plugx
behavioral2/memory/1888-73-0x00000000005D0000-0x0000000000600000-memory.dmp	family_plugx
behavioral2/memory/3016-74-0x00000000006F0000-0x0000000000720000-memory.dmp	family_plugx
behavioral2/memory/4820-75-0x0000000001030000-0x0000000001060000-memory.dmp	family_plugx
behavioral2/memory/4820-78-0x0000000001030000-0x0000000001060000-memory.dmp	family_plugx
behavioral2/memory/4820-77-0x0000000001030000-0x0000000001060000-memory.dmp	family_plugx
behavioral2/memory/3744-79-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx
behavioral2/memory/3744-82-0x00000000009D0000-0x0000000000A00000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
Plugx family
plugx

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe

Deletes itself 1 IoCs

pid	Process
1888	Nv.exe

Executes dropped EXE 3 IoCs

pid	Process
1888	Nv.exe
3016	Nv.exe
4696	Nv.exe

Loads dropped DLL 3 IoCs

pid	Process
1888	Nv.exe
3016	Nv.exe
4696	Nv.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 6 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies data under HKEY_USERS 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	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\ProxyBypass = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	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
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\IntranetName = "1"	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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
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\ZoneMap\	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\User Agent	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent	svchost.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 45004500330032004400390035004300380038004500350035004200430035000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1888	Nv.exe
1888	Nv.exe
3744	svchost.exe
3744	svchost.exe
3744	svchost.exe
3744	svchost.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
3744	svchost.exe
3744	svchost.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
3744	svchost.exe
3744	svchost.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
3744	svchost.exe
3744	svchost.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
3744	svchost.exe
3744	svchost.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe
4820	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3744	svchost.exe
4820	msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	Nv.exe
Token: SeTcbPrivilege	1888	Nv.exe
Token: SeDebugPrivilege	3016	Nv.exe
Token: SeTcbPrivilege	3016	Nv.exe
Token: SeDebugPrivilege	4696	Nv.exe
Token: SeTcbPrivilege	4696	Nv.exe
Token: SeDebugPrivilege	3744	svchost.exe
Token: SeTcbPrivilege	3744	svchost.exe
Token: SeDebugPrivilege	4820	msiexec.exe
Token: SeTcbPrivilege	4820	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 1888	4240	4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe	83
PID 4240 wrote to memory of 1888	4240	4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe	83
PID 4240 wrote to memory of 1888	4240	4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe	83
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 4696 wrote to memory of 3744	4696	Nv.exe	88
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95
PID 3744 wrote to memory of 4820	3744	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe
"C:\Users\Admin\AppData\Local\Temp\4b71451551fc49cb793675c1333df2023a2b0dfd67976a5ebe52600524794f01.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Nv.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1888

C:\ProgramData\SxS\Nv.exe
"C:\ProgramData\SxS\Nv.exe" 100 1888
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3016

C:\ProgramData\SxS\Nv.exe
"C:\ProgramData\SxS\Nv.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe 201 0
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\system32\msiexec.exe 209 3744
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\SxS\bug.log

Filesize
622B

MD5
1474198ff70b99a8c583921401d33e01

SHA1
cc9011d46afc339f45f0a5b36014efc9565cfbb2

SHA256
f92210fe1c06f4ff8f76344273621d6744a6d48890e85c4da2cada1b2d7ab4ae

SHA512
dbe25a3fe20e2ad6d4772f1c33491a8c8efdb05027a68cf64294590f165b34b35d4fb1aadb779a2d04f0c08ad6de08c397e90e6e860ead78d53435d0483b16d0

Download Submit
C:\ProgramData\SxS\bug.log

Filesize
764B

MD5
8f9d348c083719004101cefe57e8445d

SHA1
4359c722b9a09cd15365c12d0cef47ff9182aad2

SHA256
7f03bca3715743b8cccba09d06b6867f7ce7e46baee92e7a3e7f5ed0589678a6

SHA512
512d835e113786cb28300c3c16e47971c2b8c898436ae74ed2329f093320d686ad617978d47f483209861bbf7d147eac068e449cb7ba0d55a806eae8feadeff3

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.mp3

Filesize
120KB

MD5
e1e6d954482a108020c8e471bd0790e4

SHA1
138def3945437e9d81902f00b1119795140ae8bf

SHA256
9f5663bdcd5217b16597a53c763359c63d867202df572f23493d54a1c082c954

SHA512
7573eba59791c978c45e5af1abd70c3a7d454e6fe1de9962f737679e8ddf5e9694d548bb8f0bbc4ffc236921a984f97bc1d11b0b0f239b25bb4253f88e2862e5

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

Filesize
41KB

MD5
92b5a067fc1866b933eade6ebd4e1564

SHA1
91c38bb2d1993dde1068550e42580c4d2993a5c1

SHA256
632341931e3fe5eb85693c088bc3aaefffe9e5a64131af8fd214e66b247079c6

SHA512
3f7e2a85db7503196ceb84605758caef87162d8935be0c909afcd45b388605ca85c76e9b134b08e158f8cfaf23b65d27969fa907ba7aeeecc988ac94cb0bb691

Download Submit
memory/1888-19-0x0000000002210000-0x0000000002310000-memory.dmp

Filesize
1024KB

Download
memory/1888-20-0x00000000005D0000-0x0000000000600000-memory.dmp

Filesize
192KB

Download
memory/1888-21-0x00000000005D0000-0x0000000000600000-memory.dmp

Filesize
192KB

Download
memory/1888-73-0x00000000005D0000-0x0000000000600000-memory.dmp

Filesize
192KB

Download
memory/3016-40-0x00000000006F0000-0x0000000000720000-memory.dmp

Filesize
192KB

Download
memory/3016-41-0x00000000006F0000-0x0000000000720000-memory.dmp

Filesize
192KB

Download
memory/3016-74-0x00000000006F0000-0x0000000000720000-memory.dmp

Filesize
192KB

Download
memory/3744-61-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-60-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-62-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-65-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-79-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-67-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-66-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-82-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-47-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/3744-59-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/3744-48-0x00000000009D0000-0x0000000000A00000-memory.dmp

Filesize
192KB

Download
memory/4696-46-0x0000000000D00000-0x0000000000D30000-memory.dmp

Filesize
192KB

Download
memory/4696-45-0x0000000000D00000-0x0000000000D30000-memory.dmp

Filesize
192KB

Download
memory/4696-70-0x0000000000D00000-0x0000000000D30000-memory.dmp

Filesize
192KB

Download
memory/4820-76-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/4820-78-0x0000000001030000-0x0000000001060000-memory.dmp

Filesize
192KB

Download
memory/4820-77-0x0000000001030000-0x0000000001060000-memory.dmp

Filesize
192KB

Download
memory/4820-75-0x0000000001030000-0x0000000001060000-memory.dmp

Filesize
192KB

Download