plugx | a78dbafaca4813307529cafbed554b53a622a639941f2e66520bbb92769ee960

Resubmissions

30-11-2022 10:36

221130-mnpy4scf25 10

16-11-2022 10:40

221116-mq1hmaeb3y 10

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2022 10:40

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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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2548-133-0x0000000002520000-0x0000000002558000-memory.dmp	family_plugx
behavioral2/memory/2996-144-0x0000000000E40000-0x0000000000E78000-memory.dmp	family_plugx
behavioral2/memory/2276-146-0x0000000002180000-0x00000000021B8000-memory.dmp	family_plugx
behavioral2/memory/4108-147-0x0000000001040000-0x0000000001078000-memory.dmp	family_plugx
behavioral2/memory/4008-149-0x0000000000B70000-0x0000000000BA8000-memory.dmp	family_plugx
behavioral2/memory/4108-150-0x0000000001040000-0x0000000001078000-memory.dmp	family_plugx
behavioral2/memory/4008-152-0x0000000000B70000-0x0000000000BA8000-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

2276 NvSmart.exe
2996 NvSmart.exe
Loads dropped DLL 2 IoCs

Processes:

NvSmart.exeNvSmart.exe

pid process

2276 NvSmart.exe
2996 NvSmart.exe

pid	process
2276	NvSmart.exe
2996	NvSmart.exe

pid	process
2276	NvSmart.exe
2996	NvSmart.exe

Modifies data under HKEY_USERS 17 IoCs

Processes:

svchost.exe

description	ioc	process
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	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	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
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\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	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\Internet Settings\User Agent	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 = 36003300390041004500380046003900360043003600360044004600340032000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exemsiexec.exe

pid	process
4108	svchost.exe
4108	svchost.exe
4108	svchost.exe
4108	svchost.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4108	svchost.exe
4108	svchost.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4108	svchost.exe
4108	svchost.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4108	svchost.exe
4108	svchost.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4108	svchost.exe
4108	svchost.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4008	msiexec.exe
4108	svchost.exe
4108	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

svchost.exemsiexec.exe

pid process

4108 svchost.exe
4008 msiexec.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	2548	291976ba47cec4b3c0e31cbc50ab1923.exe
Token: SeTcbPrivilege	2548	291976ba47cec4b3c0e31cbc50ab1923.exe
Token: SeDebugPrivilege	2276	NvSmart.exe
Token: SeTcbPrivilege	2276	NvSmart.exe
Token: SeDebugPrivilege	2996	NvSmart.exe
Token: SeTcbPrivilege	2996	NvSmart.exe
Token: SeDebugPrivilege	4108	svchost.exe
Token: SeTcbPrivilege	4108	svchost.exe
Token: SeDebugPrivilege	4008	msiexec.exe
Token: SeTcbPrivilege	4008	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

NvSmart.exesvchost.exe

description	pid	process	target process
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 2996 wrote to memory of 4108	2996	NvSmart.exe	svchost.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	svchost.exe	msiexec.exe
PID 4108 wrote to memory of 4008	4108	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:2548

C:\ProgramData\SxS\NvSmart.exe
"C:\ProgramData\SxS\NvSmart.exe" 100 2548
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2276

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:2996

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:4108

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\system32\msiexec.exe 209 4108
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4008

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
44fdc2460d6008332f7c9678a9604197

SHA1
418e707c24e75c963b120ae85dfaf128d7587075

SHA256
9850b0f2c49221c9fb4d064162e72c86baccb5545ce5b48beee82101a86c4523

SHA512
b8f5f348e1804891044250cb094921bd1bb092534879331ff1815ca0cf3a062c90e52747638fbd7b365c7ef94af2cc9dcc1faed4925fba39daf7051d1da8c1df

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

MD5
dbd454de44f641b2f5b2d8d1fee08cbf

SHA1
ffdb02392229105e2408f42cec9d842d97cb8771

SHA256
9296d16c5a33181264a33ffb7af8fa059b876901cbc1aab4b8613b27c286ca7c

SHA512
3b3b12018d87b517a75c1da2c17d873e04b07849111ac39e0a873b79bfd6767c7dc5472b8d2c9e19408a28f00720a255d6dc639f86fe32d116be6d1af5b81a3b

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

MD5
64dce06ff017f3613b3360f3fa2200b6

SHA1
df7b71bbc1e40a8a3ef52ba8a744f2572608eb9c

SHA256
3b3f5f30ec0ef0a061e322c55e3ab55f095b6bd346ebecf3ba6970180ccf2c93

SHA512
f1924ed6f8c430422939c6c37fc1349ecbc81bef4dded66d71facb2246da9dc12dab0a3738d05df4c4cee3bba141eaa0d02fcd17505b2c5eb0fa2e49aec63410

Download Submit
memory/2276-139-0x0000000002040000-0x0000000002140000-memory.dmp

Filesize
1024KB

Download
memory/2276-146-0x0000000002180000-0x00000000021B8000-memory.dmp

Filesize
224KB

Download
memory/2548-133-0x0000000002520000-0x0000000002558000-memory.dmp

Filesize
224KB

Download
memory/2548-132-0x0000000002480000-0x00000000024A7000-memory.dmp

Filesize
156KB

Download
memory/2996-144-0x0000000000E40000-0x0000000000E78000-memory.dmp

Filesize
224KB

Download
memory/4008-148-0x0000000000000000-mapping.dmp

Download
memory/4008-149-0x0000000000B70000-0x0000000000BA8000-memory.dmp

Filesize
224KB

Download
memory/4008-152-0x0000000000B70000-0x0000000000BA8000-memory.dmp

Filesize
224KB

Download
memory/4108-147-0x0000000001040000-0x0000000001078000-memory.dmp

Filesize
224KB

Download
memory/4108-150-0x0000000001040000-0x0000000001078000-memory.dmp

Filesize
224KB

Download
memory/4108-143-0x0000000000000000-mapping.dmp

Download