plugx | d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3

Analysis

max time kernel
152s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
01-07-2022 05:21

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General

Target

d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe
Size

253KB
MD5

1cc2207ffa2a3d081eee9ef034d57815
SHA1

8700ac9cb88ec7c6ac983bf2cd8ce29e3a070beb
SHA256

d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3
SHA512

c9cadb94f14748581b78ae20f90191aefccf531505dd94aefa56b0d23a852fd49a0d8343a5054ff247697d9ebf2ce3f4c6857beea6db6e7a753895576c05af2a

Score

10^/10

plugx suricata trojan

Malware Config

Signatures

Detects PlugX Payload 7 IoCs

resource	yara_rule
behavioral2/memory/4368-137-0x00000000021A0000-0x00000000021CC000-memory.dmp	family_plugx
behavioral2/memory/3536-148-0x0000000000E50000-0x0000000000E7C000-memory.dmp	family_plugx
behavioral2/memory/2596-149-0x0000000002150000-0x000000000217C000-memory.dmp	family_plugx
behavioral2/memory/3640-150-0x0000000000E90000-0x0000000000EBC000-memory.dmp	family_plugx
behavioral2/memory/648-152-0x00000000023C0000-0x00000000023EC000-memory.dmp	family_plugx
behavioral2/memory/3640-153-0x0000000000E90000-0x0000000000EBC000-memory.dmp	family_plugx
behavioral2/memory/648-154-0x00000000023C0000-0x00000000023EC000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
suricata: ET MALWARE Trojan.Win32.DLOADR.TIOIBEPQ CnC Traffic
suricata: ET MALWARE Trojan.Win32.DLOADR.TIOIBEPQ CnC Traffic
suricata

Executes dropped EXE 3 IoCs

pid	Process
4368	Nv.exe
2596	Nv.exe
3536	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe

Loads dropped DLL 3 IoCs

pid	Process
4368	Nv.exe
2596	Nv.exe
3536	Nv.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\NvSmartMax.dll.url	Nv.exe
File opened for modification	C:\Program Files (x86)\Common Files\Nv.exe	Nv.exe
File created	C:\Program Files (x86)\Common Files\Nv.exe	Nv.exe
File opened for modification	C:\Program Files (x86)\Common Files	Nv.exe
File opened for modification	C:\Program Files (x86)\Common Files\NvSmartMax.dll	Nv.exe
File created	C:\Program Files (x86)\Common Files\NvSmartMax.dll	Nv.exe
File opened for modification	C:\Program Files (x86)\Common Files\NvSmartMax.dll.url	Nv.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 17 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent	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\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	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\CurrentVersion\Internet Settings	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\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\User Agent\Post Platform	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\5.0\User Agent\Post Platform	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	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 = 32003200420044003900460045003200340036004400360031003500460045000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4368	Nv.exe
4368	Nv.exe
3640	svchost.exe
3640	svchost.exe
3640	svchost.exe
3640	svchost.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
3640	svchost.exe
3640	svchost.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
3640	svchost.exe
3640	svchost.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
3640	svchost.exe
3640	svchost.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
3640	svchost.exe
3640	svchost.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe
648	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3640	svchost.exe
648	msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	Nv.exe
Token: SeTcbPrivilege	4368	Nv.exe
Token: SeDebugPrivilege	2596	Nv.exe
Token: SeTcbPrivilege	2596	Nv.exe
Token: SeDebugPrivilege	3536	Nv.exe
Token: SeTcbPrivilege	3536	Nv.exe
Token: SeDebugPrivilege	3640	svchost.exe
Token: SeTcbPrivilege	3640	svchost.exe
Token: SeDebugPrivilege	648	msiexec.exe
Token: SeTcbPrivilege	648	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4368	4876	d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe	80
PID 4876 wrote to memory of 4368	4876	d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe	80
PID 4876 wrote to memory of 4368	4876	d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe	80
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3536 wrote to memory of 3640	3536	Nv.exe	84
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86
PID 3640 wrote to memory of 648	3640	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe
"C:\Users\Admin\AppData\Local\Temp\d8d59353d0e19957cd4cce5102dff5b706ed9c412db6b8778b3ea4726b2429b3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4876
- 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
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4368

C:\Program Files (x86)\Common Files\Nv.exe
"C:\Program Files (x86)\Common Files\Nv.exe" 100 4368
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2596

C:\Program Files (x86)\Common Files\Nv.exe
"C:\Program Files (x86)\Common Files\Nv.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe 201 0
  2⤵
  - Modifies data under HKEY_USERS
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\system32\msiexec.exe 209 3640
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Nv.exe

Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\Program Files (x86)\Common Files\Nv.exe

Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\Program Files (x86)\Common Files\Nv.exe

Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\Program Files (x86)\Common Files\NvSmartMax.dll

Filesize
48KB

MD5
d659d95d46f71f172cd4f2aca9532949

SHA1
13a4a93c5a76ad1ea95cc6e9c7e2282f1981c85d

SHA256
9e4800663e62415d01f844195d8bae0be71a1bd14b9d4103c6dedb9266957837

SHA512
ad423ef32635358f8c47854a95c9e18dde7fe1e31c450aee7fd16f5a4043a8fd135ad5eac7491909acdf5afd6d013f8fd9b1f07809d8ff88458dbad31dddaba5

Download Submit
C:\Program Files (x86)\Common Files\NvSmartMax.dll

Filesize
48KB

MD5
d659d95d46f71f172cd4f2aca9532949

SHA1
13a4a93c5a76ad1ea95cc6e9c7e2282f1981c85d

SHA256
9e4800663e62415d01f844195d8bae0be71a1bd14b9d4103c6dedb9266957837

SHA512
ad423ef32635358f8c47854a95c9e18dde7fe1e31c450aee7fd16f5a4043a8fd135ad5eac7491909acdf5afd6d013f8fd9b1f07809d8ff88458dbad31dddaba5

Download Submit
C:\Program Files (x86)\Common Files\NvSmartMax.dll

Filesize
48KB

MD5
d659d95d46f71f172cd4f2aca9532949

SHA1
13a4a93c5a76ad1ea95cc6e9c7e2282f1981c85d

SHA256
9e4800663e62415d01f844195d8bae0be71a1bd14b9d4103c6dedb9266957837

SHA512
ad423ef32635358f8c47854a95c9e18dde7fe1e31c450aee7fd16f5a4043a8fd135ad5eac7491909acdf5afd6d013f8fd9b1f07809d8ff88458dbad31dddaba5

Download Submit
C:\Program Files (x86)\Common Files\NvSmartMax.dll.URL

Filesize
110KB

MD5
83d378c6740d34bdb4aac01c7a7ce394

SHA1
f38aa5d350c7fb95eb1dfb6b386c65932263e921

SHA256
a8dd82ba668db8cbdc5309e70ae7023e961ccb231eeae60cb19eb953812cee5b

SHA512
8ac09ebce1e4ef6fbf27a95b18d4b994339ec855e7548a35ecd3465d3cc2f50f8b2361df1851af36d7962c3c30915bb660a4cca6e525252cec0aab47d6de5195

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
48KB

MD5
d659d95d46f71f172cd4f2aca9532949

SHA1
13a4a93c5a76ad1ea95cc6e9c7e2282f1981c85d

SHA256
9e4800663e62415d01f844195d8bae0be71a1bd14b9d4103c6dedb9266957837

SHA512
ad423ef32635358f8c47854a95c9e18dde7fe1e31c450aee7fd16f5a4043a8fd135ad5eac7491909acdf5afd6d013f8fd9b1f07809d8ff88458dbad31dddaba5

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

Filesize
48KB

MD5
d659d95d46f71f172cd4f2aca9532949

SHA1
13a4a93c5a76ad1ea95cc6e9c7e2282f1981c85d

SHA256
9e4800663e62415d01f844195d8bae0be71a1bd14b9d4103c6dedb9266957837

SHA512
ad423ef32635358f8c47854a95c9e18dde7fe1e31c450aee7fd16f5a4043a8fd135ad5eac7491909acdf5afd6d013f8fd9b1f07809d8ff88458dbad31dddaba5

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

Filesize
110KB

MD5
83d378c6740d34bdb4aac01c7a7ce394

SHA1
f38aa5d350c7fb95eb1dfb6b386c65932263e921

SHA256
a8dd82ba668db8cbdc5309e70ae7023e961ccb231eeae60cb19eb953812cee5b

SHA512
8ac09ebce1e4ef6fbf27a95b18d4b994339ec855e7548a35ecd3465d3cc2f50f8b2361df1851af36d7962c3c30915bb660a4cca6e525252cec0aab47d6de5195

Download Submit
memory/648-152-0x00000000023C0000-0x00000000023EC000-memory.dmp

Filesize
176KB

Download
memory/648-154-0x00000000023C0000-0x00000000023EC000-memory.dmp

Filesize
176KB

Download
memory/2596-149-0x0000000002150000-0x000000000217C000-memory.dmp

Filesize
176KB

Download
memory/3536-148-0x0000000000E50000-0x0000000000E7C000-memory.dmp

Filesize
176KB

Download
memory/3640-150-0x0000000000E90000-0x0000000000EBC000-memory.dmp

Filesize
176KB

Download
memory/3640-153-0x0000000000E90000-0x0000000000EBC000-memory.dmp

Filesize
176KB

Download
memory/4368-137-0x00000000021A0000-0x00000000021CC000-memory.dmp

Filesize
176KB

Download
memory/4368-136-0x0000000002070000-0x0000000002170000-memory.dmp

Filesize
1024KB

Download