plugx | 3f5c2045c0cdaab917b612ac86706d904912415c2485ec5801edf74a3a485154

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 19:15

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General

Target

PS/RsTray.exe
Size

174KB
MD5

d65adc7ad95e88fab486707b8c228f17
SHA1

dfa0589b58a469e34695a22313d184e5352a3282
SHA256

a3674fef407c354e911a8a6c7d4b991802c47cf6409d6dc32dc84be6312159e2
SHA512

3c9114610dfc107adec6a6220356607c737499866eba965985bb1f6b9aedbfae529a5432abb8307ce0653580fab9c2580c66d96ef4cdb4319a0fde5ad3c3ac01
SSDEEP

3072:wq1/mmpPCL8OZwevvCRmvUGmeU1hbFZJslQLRzMaZ:wUmqCL8Oj3XZm5jNLRzVZ

Score

10^/10

plugx discovery trojan

Malware Config

Signatures

Detects PlugX payload 20 IoCs

resource	yara_rule
behavioral2/memory/3224-1-0x0000000002450000-0x0000000002481000-memory.dmp	family_plugx
behavioral2/memory/3268-20-0x0000000000EB0000-0x0000000000EE1000-memory.dmp	family_plugx
behavioral2/memory/3268-22-0x0000000000EB0000-0x0000000000EE1000-memory.dmp	family_plugx
behavioral2/memory/452-23-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-24-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/3224-30-0x0000000002450000-0x0000000002481000-memory.dmp	family_plugx
behavioral2/memory/452-46-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-45-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-44-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-33-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-50-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-51-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/4496-55-0x0000000000790000-0x00000000007C1000-memory.dmp	family_plugx
behavioral2/memory/4496-62-0x0000000000790000-0x00000000007C1000-memory.dmp	family_plugx
behavioral2/memory/4496-56-0x0000000000790000-0x00000000007C1000-memory.dmp	family_plugx
behavioral2/memory/4496-61-0x0000000000790000-0x00000000007C1000-memory.dmp	family_plugx
behavioral2/memory/452-63-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/4496-64-0x0000000000790000-0x00000000007C1000-memory.dmp	family_plugx
behavioral2/memory/452-65-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx
behavioral2/memory/452-69-0x0000000000E30000-0x0000000000E61000-memory.dmp	family_plugx

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

Deletes itself 1 IoCs

pid	Process
452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3268	RsTray.exe

Loads dropped DLL 1 IoCs

pid	Process
3268	RsTray.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	RsTray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RsTray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.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 = 35004200440039003700380043003100320044003800300035004400320030000000	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
452	svchost.exe
452	svchost.exe
452	svchost.exe
452	svchost.exe
452	svchost.exe
452	svchost.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
452	svchost.exe
452	svchost.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
452	svchost.exe
452	svchost.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
452	svchost.exe
452	svchost.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
452	svchost.exe
452	svchost.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe
4496	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
452	svchost.exe
4496	msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	RsTray.exe
Token: SeTcbPrivilege	3224	RsTray.exe
Token: SeDebugPrivilege	3268	RsTray.exe
Token: SeTcbPrivilege	3268	RsTray.exe
Token: SeDebugPrivilege	452	svchost.exe
Token: SeTcbPrivilege	452	svchost.exe
Token: SeDebugPrivilege	4496	msiexec.exe
Token: SeTcbPrivilege	4496	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 3268 wrote to memory of 452	3268	RsTray.exe	83
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89
PID 452 wrote to memory of 4496	452	svchost.exe	89

C:\Users\Admin\AppData\Local\Temp\PS\RsTray.exe
"C:\Users\Admin\AppData\Local\Temp\PS\RsTray.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3224

C:\ProgramData\PS\RsTray.exe
C:\ProgramData\PS\RsTray.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe 201 0
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\system32\msiexec.exe 209 452
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\PS\RsTray.exe

Filesize
174KB

MD5
d65adc7ad95e88fab486707b8c228f17

SHA1
dfa0589b58a469e34695a22313d184e5352a3282

SHA256
a3674fef407c354e911a8a6c7d4b991802c47cf6409d6dc32dc84be6312159e2

SHA512
3c9114610dfc107adec6a6220356607c737499866eba965985bb1f6b9aedbfae529a5432abb8307ce0653580fab9c2580c66d96ef4cdb4319a0fde5ad3c3ac01

Download Submit
C:\ProgramData\PS\comserv.dll

Filesize
2KB

MD5
6d54b4f07a1b92bd6fafe7160b2c887c

SHA1
6bf4a36e729a2c4156b1280db97252ba8ea7d9b4

SHA256
653fe0ab7b634e50ba09f962c6357bcf76ce633768aa41dd01d1a93ef83a0a54

SHA512
32c57ca7ce437fc7712948a6f30733112830ff570d89ca903e5a5bdec43277a19a453df8c027e0835ad1dff2f7927cf973e33efa1847ed608cb6eb534d8163a3

Download Submit
C:\ProgramData\PS\comserv.dll.url

Filesize
122KB

MD5
fe14ef97d52c1c4f4764c36b76f18340

SHA1
60a931c6607ffe7dabdce33151f7d217b7581175

SHA256
d8c68c81908ca0b31a773cf78bc59b9d886ba72177b2b4f5a1d9ea46b95ce05e

SHA512
390366a82817d8e841084744cd879bd7be6ce1dff85e26e9fe4739b709c17718c4e836f2f543c1d84f47096230e2d9dbc6dab6c597acc8ae802c43b1d4ae7f0d

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

Filesize
620B

MD5
37d6f93e2e2a833f4fa99075209f2a16

SHA1
94cfd1431c395bf4f242e9cdeb1b6d81f9d019b7

SHA256
2def962828c7d43851b437ca0c8e109d0995c4ad93bb99964dcf3df5af77cdb3

SHA512
4198760d1322d5e00fe76707ab8d6b5be437726161533e508213f47ee69760d8ff703ce6ee9c7cefec78a82911e11ed45f83320103205227f931f7a78f643db0

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

Filesize
782B

MD5
886e3aca04dff874dc7293dbddaae518

SHA1
647121c088bcdbab31545684fe8a73ecf147db18

SHA256
86a1271f0ed74c2f6f81c957c4cdc5dd0700186ed085fcc9d06157ef3eea4a30

SHA512
9620e4453f0932778fb7c88303ce1abf8a35693e22e9e1ea4f181265513fda5b65e91d38fccb269565de1bc81468ff527f559533adfc015b3544ed26ca19c257

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

Filesize
1KB

MD5
89291f20a7e06b6059504b399b556ad5

SHA1
405d6cd95266aec1aae285f7da9fc09ba5c85248

SHA256
042f71b739275fbe577652195dce69092b38c59cce5a4ea26f6f23e054d4cac9

SHA512
8801c1d4f40cbd1d5a1a44cb81e1ef9369b708e582e6ee76815ff4b8fc1b7edfb14c69fcc5aaf7340334288d02a43ae60ca383808fbcd3394baa692b091d3002

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

Filesize
1KB

MD5
f968c58974afc46cf57e90540588dd3c

SHA1
87cfb746712d37131e4310c50968f6331dbe15c3

SHA256
dede4a9c4db3eedb1ef6e1b1359bf47b0669a988368323eff651c09fb3156ad0

SHA512
8eddbafb477f8d372b1d3ae7a10477f63f6065c2f6c563a20ff2b8a28b113c501cb8201ca4a8dc6f2258d8abdc7c6a398bb688921009a01bb07e74cb51a86f19

Download Submit
memory/452-44-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-23-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-24-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-21-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/452-65-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-63-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-43-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/452-46-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-45-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-69-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-33-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-50-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/452-51-0x0000000000E30000-0x0000000000E61000-memory.dmp

Filesize
196KB

Download
memory/3224-30-0x0000000002450000-0x0000000002481000-memory.dmp

Filesize
196KB

Download
memory/3224-1-0x0000000002450000-0x0000000002481000-memory.dmp

Filesize
196KB

Download
memory/3224-0-0x0000000002350000-0x0000000002450000-memory.dmp

Filesize
1024KB

Download
memory/3268-20-0x0000000000EB0000-0x0000000000EE1000-memory.dmp

Filesize
196KB

Download
memory/3268-22-0x0000000000EB0000-0x0000000000EE1000-memory.dmp

Filesize
196KB

Download
memory/4496-55-0x0000000000790000-0x00000000007C1000-memory.dmp

Filesize
196KB

Download
memory/4496-54-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/4496-61-0x0000000000790000-0x00000000007C1000-memory.dmp

Filesize
196KB

Download
memory/4496-64-0x0000000000790000-0x00000000007C1000-memory.dmp

Filesize
196KB

Download
memory/4496-60-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4496-56-0x0000000000790000-0x00000000007C1000-memory.dmp

Filesize
196KB

Download
memory/4496-62-0x0000000000790000-0x00000000007C1000-memory.dmp

Filesize
196KB

Download