Malware Analysis Report

2024-10-19 02:31

Sample ID 220504-tlsqjsghhl
Target 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379
SHA256 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379
Tags
plugx trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379

Threat Level: Known bad

The file 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379 was found to be: Known bad.

Malicious Activity Summary

plugx trojan

Detects PlugX Payload

PlugX

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Enumerates physical storage devices

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-04 16:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-04 16:09

Reported

2022-05-04 16:11

Platform

win10-20220414-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe"

Signatures

Detects PlugX Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

PlugX

trojan plugx

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\adb.exe N/A
N/A N/A C:\ProgramData\adb\adb.exe N/A
N/A N/A C:\ProgramData\adb\adb.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\adb.exe N/A
N/A N/A C:\ProgramData\adb\adb.exe N/A
N/A N/A C:\ProgramData\adb\adb.exe N/A

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 203.86.234.16 N/A N/A
Destination IP 203.86.234.16 N/A N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHZ C:\Windows\SysWOW64\svchost.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\CLASSES\FAST C:\Windows\SysWOW64\svchost.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 34003600380038003500330031003300340043004300430035003100460046000000 C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\adb.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\adb.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\adb\adb.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\adb\adb.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\adb\adb.exe N/A
Token: SeTcbPrivilege N/A C:\ProgramData\adb\adb.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A
Token: SeTcbPrivilege N/A C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2788 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe C:\Users\Admin\AppData\Local\Temp\adb.exe
PID 2788 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe C:\Users\Admin\AppData\Local\Temp\adb.exe
PID 2788 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe C:\Users\Admin\AppData\Local\Temp\adb.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 5040 wrote to memory of 4156 N/A C:\ProgramData\adb\adb.exe C:\Windows\SysWOW64\svchost.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 4156 wrote to memory of 2436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe

"C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe"

C:\Users\Admin\AppData\Local\Temp\adb.exe

"C:\Users\Admin\AppData\Local\Temp\adb.exe"

C:\ProgramData\adb\adb.exe

"C:\ProgramData\adb\adb.exe" 100 3616

C:\ProgramData\adb\adb.exe

"C:\ProgramData\adb\adb.exe" 200 0

C:\Windows\SysWOW64\svchost.exe

C:\Windows\system32\svchost.exe 201 0

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\system32\msiexec.exe 209 4156

Network

Country Destination Domain Proto
US 8.8.8.8:53 tools.daji8.me udp
N/A 10.127.255.255:53 udp
HK 203.86.234.16:53 tools.daji8.me udp
US 8.8.8.8:53 tools.daji8.me udp
HK 203.86.234.16:53 tools.daji8.me udp
US 8.8.8.8:53 tools.daji8.me udp
HK 203.86.234.16:443 tools.daji8.me tcp

Files

memory/3616-117-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\adb.exe

MD5 790fb1184a3ed8e475263daa54f98469
SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8

C:\Users\Admin\AppData\Local\Temp\adb.exe

MD5 790fb1184a3ed8e475263daa54f98469
SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8

C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dll

MD5 114d0cdadcbdec8c6baa9af0a869700a
SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f

\Users\Admin\AppData\Local\Temp\AdbWinApi.dll

MD5 114d0cdadcbdec8c6baa9af0a869700a
SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f

memory/3616-123-0x0000000002580000-0x0000000002680000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat

MD5 cbcc0845497ddd773399e0f095539a4c
SHA1 6c878e4ee18d14b94a3214bdd283b221a1981877
SHA256 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375
SHA512 e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f

memory/3616-124-0x0000000000A40000-0x0000000000A75000-memory.dmp

C:\ProgramData\adb\adb.exe

MD5 790fb1184a3ed8e475263daa54f98469
SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8

C:\ProgramData\adb\adb.exe

MD5 790fb1184a3ed8e475263daa54f98469
SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8

C:\ProgramData\adb\AdbWinApi.dll

MD5 114d0cdadcbdec8c6baa9af0a869700a
SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f

\ProgramData\adb\AdbWinApi.dll

MD5 114d0cdadcbdec8c6baa9af0a869700a
SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f

C:\ProgramData\adb\AdbWinApi.dat

MD5 cbcc0845497ddd773399e0f095539a4c
SHA1 6c878e4ee18d14b94a3214bdd283b221a1981877
SHA256 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375
SHA512 e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f

C:\ProgramData\adb\adb.exe

MD5 790fb1184a3ed8e475263daa54f98469
SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8

\ProgramData\adb\AdbWinApi.dll

MD5 114d0cdadcbdec8c6baa9af0a869700a
SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f

memory/4156-134-0x0000000000000000-mapping.dmp

memory/5040-135-0x0000000000880000-0x00000000008B5000-memory.dmp

memory/2320-136-0x00000000006F0000-0x000000000083A000-memory.dmp

memory/4156-137-0x0000000003500000-0x0000000003535000-memory.dmp

memory/2436-138-0x0000000000000000-mapping.dmp

memory/2436-141-0x0000000000AA0000-0x0000000000AD5000-memory.dmp