plugx | 8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4

Analysis

max time kernel
156s
max time network
163s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-12-2022 10:58

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General

Target

8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe
Size

342KB
MD5

7eaecc4084e090a5f2f0325d1a88ee5f
SHA1

963180155ca06a29918013c8783ad349da811e13
SHA256

8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4
SHA512

a7c82c560611ac19e48c9dd10ffbab64b6a5bd49bd2c2ef2b2b73a6e31418f79b5b4ff3e338111fc7e8d7f47a7e670059d1790b49e359e8924504b36c0b992c9
SSDEEP

6144:v4lRkAehaKuqT+FdR4U5LUb8I77edkob1n/2ogNKtP8jv9CG3BeGldF1umkt3IJa:vkWAehJuqT4SPoInix1NgNMsp3BDlD4h

Score

10^/10

plugx trojan

Malware Config

Signatures

Detects PlugX payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1636-75-0x0000000001CD0000-0x0000000001D08000-memory.dmp	family_plugx
behavioral1/memory/1520-76-0x0000000000430000-0x0000000000468000-memory.dmp	family_plugx
behavioral1/memory/1788-78-0x0000000000340000-0x0000000000378000-memory.dmp	family_plugx
behavioral1/memory/1768-79-0x0000000000460000-0x0000000000498000-memory.dmp	family_plugx
behavioral1/memory/952-84-0x0000000000440000-0x0000000000478000-memory.dmp	family_plugx
behavioral1/memory/1768-85-0x0000000000460000-0x0000000000498000-memory.dmp	family_plugx
behavioral1/memory/952-86-0x0000000000440000-0x0000000000478000-memory.dmp	family_plugx

PlugX
PlugX is a RAT (Remote Access Trojan) that has been around since 2008.
trojan plugx
Executes dropped EXE 3 IoCs

Processes:

setup.exeNvSmart.exeNvSmart.exe

pid process

1520 setup.exe
1788 NvSmart.exe
1636 NvSmart.exe
Loads dropped DLL 3 IoCs

Processes:

8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exeNvSmart.exeNvSmart.exe

pid process

1672 8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe
1788 NvSmart.exe
1636 NvSmart.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1520	setup.exe
1788	NvSmart.exe
1636	NvSmart.exe

pid	process
1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe
1788	NvSmart.exe
1636	NvSmart.exe

Modifies data under HKEY_USERS 30 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf\WpadDetectedUrl	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\Wpad	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\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf\WpadDecision = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf\WpadDecisionTime = 50bf6ce94808d901	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
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\WpadDecisionTime = 50bf6ce94808d901	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	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 = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\WpadDecision = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf\WpadDecisionTime = 30cc30ed4808d901	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\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\WpadDecisionReason = "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\User Agent	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\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\6a-c6-09-e9-f0-bf	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\WpadDecisionTime = 30cc30ed4808d901	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0663148E-4699-4794-AF7A-467FE32528E0}\WpadNetworkName = "Network 3"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-c6-09-e9-f0-bf	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 = 37003300410031003600440032003800360036003200300034004600430041000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exemsiexec.exe

pid	process
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
952	msiexec.exe
1768	svchost.exe
1768	svchost.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

setup.exeNvSmart.exeNvSmart.exesvchost.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	1520	setup.exe
Token: SeTcbPrivilege	1520	setup.exe
Token: SeDebugPrivilege	1788	NvSmart.exe
Token: SeTcbPrivilege	1788	NvSmart.exe
Token: SeDebugPrivilege	1636	NvSmart.exe
Token: SeTcbPrivilege	1636	NvSmart.exe
Token: SeDebugPrivilege	1768	svchost.exe
Token: SeTcbPrivilege	1768	svchost.exe
Token: SeDebugPrivilege	952	msiexec.exe
Token: SeTcbPrivilege	952	msiexec.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

setup.exe

pid process

1520 setup.exe

pid	process
1520	setup.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exeNvSmart.exesvchost.exe

description	pid	process	target process
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1672 wrote to memory of 1520	1672	8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe	setup.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1636 wrote to memory of 1768	1636	NvSmart.exe	svchost.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe
PID 1768 wrote to memory of 952	1768	svchost.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe
"C:\Users\Admin\AppData\Local\Temp\8843f39d991fb9ad4da612e523daa84dcea2a124b82466593aab26e65b8830a4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672

C:\programdata\setup.exe
"C:\programdata\setup.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1520

C:\ProgramData\Wins\NvSmart.exe
"C:\ProgramData\Wins\NvSmart.exe" 100 1520
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1788

C:\ProgramData\Wins\NvSmart.exe
"C:\ProgramData\Wins\NvSmart.exe" 200 0
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636

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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\system32\msiexec.exe 209 1768
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\SxS\bug.log
Filesize
482B

MD5
325c6f695efe55b3be694cd615e34e46

SHA1
b596cff4c771d1bf27a8ac4ea6dadd7e1979783e

SHA256
56890bc21cc2c3354fc08bffbd49a418e7031725346258e60bd928eae806bc39

SHA512
c3a8621301450b19f50e9178960a3ed373cf92becddd59c5cd622c4cda4368e61201188ce6bab65013160f2fe68a42ad2023b688955349abd6f7d090e8ed0b4a

Download Submit
C:\ProgramData\Wins\NvSmart.chm
Filesize
155KB

MD5
c7814f4a0c42065005e82bda45e4d849

SHA1
735e60ab5b0d52344851510c2b1e5f7136d65301

SHA256
7ba3e66a633e04feac7167e19621e43b7eb0499f38e818c6dedad21f5f6b39be

SHA512
ae327466612592b4439dedfa288a54e46102f46d9afd47ad6f236964c016eefc162beffc56394cfca7db92f043f4ff4d02bbdacf70daae9463ed85ce6207dd77

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

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

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

MD5
09b8b54f78a10c435cd319070aa13c28

SHA1
6474d0369f97e72e01e4971128d1062f5c2b3656

SHA256
523d28df917f9d265cd2c0d38df26277bc56a535145100ed82e6f5fdeaae7256

SHA512
c1f2f5c4aa5eb55d255e22db032da954a38a0204fb4d9bc76042f140f1b1e171944aa09b0eb11159323a8b9f33974c73fd32a4f76d976aaa8a16cc9c60a34ca7

Download Submit
C:\ProgramData\Wins\NvSmartMax.dll
Filesize
4KB

MD5
0674a0929aec3db11383523b40fa36d1

SHA1
9f50aa213232690e06aa49b7e7b1640127429117

SHA256
fb1c1de76504a35b5c9cf4a60c4a7497064917e0ac96b5389b5ef56c4a02bc17

SHA512
ce1a5007499232d6730bf97745bd5e931d6a26d658d3c47a4200a2e225c78e947dbca2487bae77adb65399c2985dce5cbc95f2672ca7e309b3a9f9ba4501d10b

Download Submit
C:\ProgramData\setup.exe
Filesize
341KB

MD5
608abb0c39949775368837a6c068b113

SHA1
24de091315d67bf66d0a089524d5742c79b90400

SHA256
bba7c47c1c2af0a0d54d2c44c3386f54b59874b9c878dfa8fdacf72937770a96

SHA512
89e843d7f7cb700c35c5bcbcdce6d800e9c6b4ccee3997ec0b38c09b452e3d6edbd638b9e9f520b7fdab4dea7c18a85ad23a94eb257b777e69e504e1dd20cb8f

Download Submit
C:\programdata\setup.exe
Filesize
341KB

MD5
608abb0c39949775368837a6c068b113

SHA1
24de091315d67bf66d0a089524d5742c79b90400

SHA256
bba7c47c1c2af0a0d54d2c44c3386f54b59874b9c878dfa8fdacf72937770a96

SHA512
89e843d7f7cb700c35c5bcbcdce6d800e9c6b4ccee3997ec0b38c09b452e3d6edbd638b9e9f520b7fdab4dea7c18a85ad23a94eb257b777e69e504e1dd20cb8f

Download Submit
\ProgramData\Wins\NvSmartMax.dll
Filesize
4KB

MD5
0674a0929aec3db11383523b40fa36d1

SHA1
9f50aa213232690e06aa49b7e7b1640127429117

SHA256
fb1c1de76504a35b5c9cf4a60c4a7497064917e0ac96b5389b5ef56c4a02bc17

SHA512
ce1a5007499232d6730bf97745bd5e931d6a26d658d3c47a4200a2e225c78e947dbca2487bae77adb65399c2985dce5cbc95f2672ca7e309b3a9f9ba4501d10b

Download Submit
\ProgramData\Wins\NvSmartMax.dll
Filesize
4KB

MD5
0674a0929aec3db11383523b40fa36d1

SHA1
9f50aa213232690e06aa49b7e7b1640127429117

SHA256
fb1c1de76504a35b5c9cf4a60c4a7497064917e0ac96b5389b5ef56c4a02bc17

SHA512
ce1a5007499232d6730bf97745bd5e931d6a26d658d3c47a4200a2e225c78e947dbca2487bae77adb65399c2985dce5cbc95f2672ca7e309b3a9f9ba4501d10b

Download Submit
\ProgramData\setup.exe
Filesize
341KB

MD5
608abb0c39949775368837a6c068b113

SHA1
24de091315d67bf66d0a089524d5742c79b90400

SHA256
bba7c47c1c2af0a0d54d2c44c3386f54b59874b9c878dfa8fdacf72937770a96

SHA512
89e843d7f7cb700c35c5bcbcdce6d800e9c6b4ccee3997ec0b38c09b452e3d6edbd638b9e9f520b7fdab4dea7c18a85ad23a94eb257b777e69e504e1dd20cb8f

Download Submit
memory/952-86-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/952-84-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/952-82-0x0000000000000000-mapping.dmp

Download
memory/1520-56-0x0000000000000000-mapping.dmp

Download
memory/1520-60-0x0000000000320000-0x0000000000347000-memory.dmp

Filesize
156KB

Download
memory/1520-76-0x0000000000430000-0x0000000000468000-memory.dmp

Filesize
224KB

Download
memory/1636-75-0x0000000001CD0000-0x0000000001D08000-memory.dmp

Filesize
224KB

Download
memory/1672-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1768-79-0x0000000000460000-0x0000000000498000-memory.dmp

Filesize
224KB

Download
memory/1768-73-0x0000000000000000-mapping.dmp

Download
memory/1768-71-0x00000000000A0000-0x00000000000C6000-memory.dmp

Filesize
152KB

Download
memory/1768-85-0x0000000000460000-0x0000000000498000-memory.dmp

Filesize
224KB

Download
memory/1788-78-0x0000000000340000-0x0000000000378000-memory.dmp

Filesize
224KB

Download
memory/1788-65-0x0000000001CE0000-0x0000000001DE0000-memory.dmp

Filesize
1024KB

Download