Analysis Overview
SHA256
354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379
Threat Level: Known bad
The file 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379 was found to be: Known bad.
Malicious Activity Summary
PlugX
Detects PlugX payload
Unexpected DNS network traffic destination
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Checks processor information in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-10 10:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-10 10:18
Reported
2024-04-10 10:21
Platform
win7-20240221-en
Max time kernel
151s
Max time network
159s
Command Line
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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
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
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 103.43.18.220 | 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 = 38003700420046003200300041003300460046004400380031003400390030000000 | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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
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 2496
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 2960
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tools.daji8.me | udp |
| HK | 103.43.18.220:53 | tools.daji8.me | udp |
| N/A | 10.127.255.255:53 | udp |
Files
\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 |
memory/2496-25-0x00000000009B0000-0x0000000000AB0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat
| MD5 | cbcc0845497ddd773399e0f095539a4c |
| SHA1 | 6c878e4ee18d14b94a3214bdd283b221a1981877 |
| SHA256 | 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375 |
| SHA512 | e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f |
memory/2496-27-0x0000000000AB0000-0x0000000000AE5000-memory.dmp
memory/2404-46-0x00000000004F0000-0x0000000000525000-memory.dmp
memory/2404-47-0x00000000004F0000-0x0000000000525000-memory.dmp
memory/2952-51-0x00000000003C0000-0x00000000003F5000-memory.dmp
memory/2960-52-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2960-54-0x00000000000A0000-0x00000000000C4000-memory.dmp
memory/2960-55-0x00000000000D0000-0x00000000000D2000-memory.dmp
memory/2960-56-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-58-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-60-0x00000000003C0000-0x00000000003F5000-memory.dmp
memory/2952-59-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2952-57-0x00000000003C0000-0x00000000003F5000-memory.dmp
memory/2496-64-0x0000000000AB0000-0x0000000000AE5000-memory.dmp
memory/2496-66-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2960-73-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-72-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2960-74-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-75-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-77-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-78-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-79-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-80-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2960-81-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2404-83-0x00000000004F0000-0x0000000000525000-memory.dmp
memory/2156-92-0x0000000000090000-0x0000000000091000-memory.dmp
memory/2156-94-0x0000000000310000-0x0000000000345000-memory.dmp
memory/2156-95-0x0000000000090000-0x0000000000091000-memory.dmp
memory/2156-97-0x0000000000310000-0x0000000000345000-memory.dmp
memory/2156-96-0x0000000000310000-0x0000000000345000-memory.dmp
memory/2156-99-0x0000000000310000-0x0000000000345000-memory.dmp
memory/2156-98-0x0000000000310000-0x0000000000345000-memory.dmp
memory/2960-100-0x00000000003B0000-0x00000000003E5000-memory.dmp
memory/2156-101-0x0000000000310000-0x0000000000345000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-10 10:18
Reported
2024-04-10 10:21
Platform
win10v2004-20240226-en
Max time kernel
155s
Max time network
161s
Command Line
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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe | N/A |
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 | 103.43.18.220 | 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 = 30004200420038004100410031004300320030004500320030004100420046000000 | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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
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 1732
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 1332
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.201.106:443 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tools.daji8.me | udp |
| N/A | 10.127.255.255:53 | udp | |
| HK | 103.43.18.220:53 | tools.daji8.me | udp |
| US | 8.8.8.8:53 | 220.18.43.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
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 |
C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat
| MD5 | cbcc0845497ddd773399e0f095539a4c |
| SHA1 | 6c878e4ee18d14b94a3214bdd283b221a1981877 |
| SHA256 | 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375 |
| SHA512 | e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f |
memory/1732-19-0x0000000000940000-0x0000000000A40000-memory.dmp
memory/1732-26-0x00000000007D0000-0x0000000000805000-memory.dmp
memory/1732-20-0x00000000007D0000-0x0000000000805000-memory.dmp
memory/2976-41-0x00000000007B0000-0x00000000007E5000-memory.dmp
memory/460-45-0x0000000000DB0000-0x0000000000DE5000-memory.dmp
memory/460-46-0x0000000000DB0000-0x0000000000DE5000-memory.dmp
memory/1332-47-0x0000000000370000-0x0000000000371000-memory.dmp
memory/1332-49-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-50-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-48-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/460-57-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/1332-65-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-66-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-67-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1732-64-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/1332-63-0x0000000000370000-0x0000000000371000-memory.dmp
memory/1332-69-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-70-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-71-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/1332-72-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/2976-76-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2976-75-0x00000000007B0000-0x00000000007E5000-memory.dmp
memory/3352-78-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/3352-77-0x0000000002930000-0x0000000002965000-memory.dmp
memory/3352-79-0x0000000002930000-0x0000000002965000-memory.dmp
memory/3352-80-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/3352-81-0x0000000002930000-0x0000000002965000-memory.dmp
memory/3352-82-0x0000000002930000-0x0000000002965000-memory.dmp
memory/3352-83-0x0000000002930000-0x0000000002965000-memory.dmp
memory/1332-85-0x0000000000BB0000-0x0000000000BE5000-memory.dmp
memory/3352-86-0x0000000002930000-0x0000000002965000-memory.dmp