plugx | 0190df1144170decd85fc69c5d6b6ba1b96777a5dbd733368290f93e1d94be68

Resubmissions

30-11-2022 10:29

221130-mh85sscb27 10

29-11-2022 18:19

221129-wx7d7adc83 10

Analysis

max time kernel
192s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 10:29

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General

Target

291976ba47cec4b3c0e31cbc50ab1923.exe
Size

236KB
MD5

291976ba47cec4b3c0e31cbc50ab1923
SHA1

38273b08bd046fc29bd777c9dc4a177ae162b5f8
SHA256

a78dbafaca4813307529cafbed554b53a622a639941f2e66520bbb92769ee960
SHA512

0b44f02c9d37ba25b9988146bf9a516b65625ed7184c4188689eb4056945cd56e86180e21d7b157faff6acdf4991eec51b18c8d83f084652ef574b0d7ec4158b
SSDEEP

3072:1H5VhrQrb6DvbqJMikwRz2Og2QTAxQ4Vt6r+CtbmMjxm8qyCz/xwDSpa:1ZkFkw1vgfCVt6r+l18qjp6Sp

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX payload 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2068-133-0x0000000002490000-0x00000000024C8000-memory.dmp	family_plugx
behavioral2/memory/2168-144-0x0000000002180000-0x00000000021B8000-memory.dmp	family_plugx
behavioral2/memory/116-145-0x0000000000E70000-0x0000000000EA8000-memory.dmp	family_plugx
behavioral2/memory/772-147-0x0000000000D50000-0x0000000000D88000-memory.dmp	family_plugx
behavioral2/memory/2168-148-0x0000000002180000-0x00000000021B8000-memory.dmp	family_plugx
behavioral2/memory/5024-150-0x0000000000E90000-0x0000000000EC8000-memory.dmp	family_plugx
behavioral2/memory/772-151-0x0000000000D50000-0x0000000000D88000-memory.dmp	family_plugx
behavioral2/memory/5024-152-0x0000000000E90000-0x0000000000EC8000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
Executes dropped EXE 2 IoCs

Processes:

NvSmart.exeNvSmart.exe

pid process

2168 NvSmart.exe
116 NvSmart.exe
Loads dropped DLL 2 IoCs

Processes:

NvSmart.exeNvSmart.exe

pid process

2168 NvSmart.exe
116 NvSmart.exe

pid	process
2168	NvSmart.exe
116	NvSmart.exe

pid	process
2168	NvSmart.exe
116	NvSmart.exe

Modifies data under HKEY_USERS 17 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	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	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
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\User Agent\Post Platform	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	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	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\CurrentVersion	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform	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\Microsoft\Windows	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 = 46003300420033003900430043003600420038003400380045003700430034000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exemsiexec.exe

pid	process
772	svchost.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
772	svchost.exe
772	svchost.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
772	svchost.exe
772	svchost.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
772	svchost.exe
772	svchost.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
772	svchost.exe
772	svchost.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
5024	msiexec.exe
772	svchost.exe
772	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

svchost.exemsiexec.exe

pid process

772 svchost.exe
5024 msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

291976ba47cec4b3c0e31cbc50ab1923.exeNvSmart.exeNvSmart.exesvchost.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	2068	291976ba47cec4b3c0e31cbc50ab1923.exe
Token: SeTcbPrivilege	2068	291976ba47cec4b3c0e31cbc50ab1923.exe
Token: SeDebugPrivilege	2168	NvSmart.exe
Token: SeTcbPrivilege	2168	NvSmart.exe
Token: SeDebugPrivilege	116	NvSmart.exe
Token: SeTcbPrivilege	116	NvSmart.exe
Token: SeDebugPrivilege	772	svchost.exe
Token: SeTcbPrivilege	772	svchost.exe
Token: SeDebugPrivilege	5024	msiexec.exe
Token: SeTcbPrivilege	5024	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

NvSmart.exesvchost.exe

description	pid	process	target process
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 116 wrote to memory of 772	116	NvSmart.exe	svchost.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe
PID 772 wrote to memory of 5024	772	svchost.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\291976ba47cec4b3c0e31cbc50ab1923.exe
"C:\Users\Admin\AppData\Local\Temp\291976ba47cec4b3c0e31cbc50ab1923.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2068

C:\ProgramData\SxS\NvSmart.exe
"C:\ProgramData\SxS\NvSmart.exe" 100 2068
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2168

C:\ProgramData\SxS\NvSmart.exe
"C:\ProgramData\SxS\NvSmart.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116

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:772

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\system32\msiexec.exe 209 772
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:5024

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\SxS\NvSmart.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\SxS\NvSmart.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\SxS\NvSmart.exe
Filesize
46KB

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\SxS\NvSmartMax.dll
Filesize
5KB

MD5
ff338690b8c399341981dcbcaf3af02c

SHA1
5162c70b2ae0b434cab7d9871dbd9a1dac14ec45

SHA256
5304d00250196a8cd5e9a81e053a886d1a291e4615484e49ff537bebecc13976

SHA512
4c4394b9675d0ab01d2fc8d4a765411fb83700ae58d86b4c71452563931cb50ff1ed60ac637099e89bf0d49f939b4c7eaa4e168c1c2baa1b04e8e80fff37e5a3

Download Submit
C:\ProgramData\SxS\NvSmartMax.dll
Filesize
5KB

MD5
ff338690b8c399341981dcbcaf3af02c

SHA1
5162c70b2ae0b434cab7d9871dbd9a1dac14ec45

SHA256
5304d00250196a8cd5e9a81e053a886d1a291e4615484e49ff537bebecc13976

SHA512
4c4394b9675d0ab01d2fc8d4a765411fb83700ae58d86b4c71452563931cb50ff1ed60ac637099e89bf0d49f939b4c7eaa4e168c1c2baa1b04e8e80fff37e5a3

Download Submit
C:\ProgramData\SxS\NvSmartMax.dll
Filesize
5KB

MD5
ff338690b8c399341981dcbcaf3af02c

SHA1
5162c70b2ae0b434cab7d9871dbd9a1dac14ec45

SHA256
5304d00250196a8cd5e9a81e053a886d1a291e4615484e49ff537bebecc13976

SHA512
4c4394b9675d0ab01d2fc8d4a765411fb83700ae58d86b4c71452563931cb50ff1ed60ac637099e89bf0d49f939b4c7eaa4e168c1c2baa1b04e8e80fff37e5a3

Download Submit
C:\ProgramData\SxS\bug.log
Filesize
622B

MD5
f41afaced9aa941258d2b1aee78caa04

SHA1
f18ff66df1a75709361327d3a3e87efb6db9e500

SHA256
22e512c31e2a8212be310cf9c0a0cc56a1379be6e27628c9dd8526ba3cc72338

SHA512
245a8aa17f07bc4b0daf099a32917e927a83aba5cf16409c41f5260853ff6f7828c15b0b47bf6243c95b7bc81bd4dadf225e9c311aacbfcb6ce2a28f6f12e227

Download Submit
C:\ProgramData\SxS\bug.log
Filesize
764B

MD5
a7a82e096c0ff08724f31f8a53268e3d

SHA1
3c134d04244936af348df23711e304cb13748c8f

SHA256
74c5ee86070c903e0ee0e35f4f95430a8d7aea66479e9fd3f18affcddf2edc61

SHA512
4d98e88d3010692552a43eb3ddd76845c8211ba2db9acdb472b18ce78128bc25cc204f0c19172d732749b5940afd29b672ed5b691f588c47b0d2284ed5787874

Download Submit
C:\ProgramData\SxS\xxx.xxx
Filesize
155KB

MD5
64dce06ff017f3613b3360f3fa2200b6

SHA1
df7b71bbc1e40a8a3ef52ba8a744f2572608eb9c

SHA256
3b3f5f30ec0ef0a061e322c55e3ab55f095b6bd346ebecf3ba6970180ccf2c93

SHA512
f1924ed6f8c430422939c6c37fc1349ecbc81bef4dded66d71facb2246da9dc12dab0a3738d05df4c4cee3bba141eaa0d02fcd17505b2c5eb0fa2e49aec63410

Download Submit
memory/116-145-0x0000000000E70000-0x0000000000EA8000-memory.dmp

Filesize
224KB

Download
memory/772-143-0x0000000000000000-mapping.dmp

Download
memory/772-147-0x0000000000D50000-0x0000000000D88000-memory.dmp

Filesize
224KB

Download
memory/772-151-0x0000000000D50000-0x0000000000D88000-memory.dmp

Filesize
224KB

Download
memory/2068-132-0x00000000008E0000-0x0000000000907000-memory.dmp

Filesize
156KB

Download
memory/2068-133-0x0000000002490000-0x00000000024C8000-memory.dmp

Filesize
224KB

Download
memory/2168-144-0x0000000002180000-0x00000000021B8000-memory.dmp

Filesize
224KB

Download
memory/2168-139-0x0000000002010000-0x0000000002110000-memory.dmp

Filesize
1024KB

Download
memory/2168-148-0x0000000002180000-0x00000000021B8000-memory.dmp

Filesize
224KB

Download
memory/5024-149-0x0000000000000000-mapping.dmp

Download
memory/5024-150-0x0000000000E90000-0x0000000000EC8000-memory.dmp

Filesize
224KB

Download
memory/5024-152-0x0000000000E90000-0x0000000000EC8000-memory.dmp

Filesize
224KB

Download