Analysis Overview
SHA256
369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397
Threat Level: Known bad
The file 369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397 was found to be: Known bad.
Malicious Activity Summary
Detects PlugX payload
PlugX
Loads dropped DLL
Unexpected DNS network traffic destination
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-10 10:21
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-10 10:21
Reported
2024-04-10 10:24
Platform
win7-20240221-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Detects PlugX payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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 = 41004600450036003900440035004400440034004300300033004100350032000000 | 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\369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397.exe
"C:\Users\Admin\AppData\Local\Temp\369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397.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 3048
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 2976
Network
| Country | Destination | Domain | Proto |
| 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 |
Files
\Users\Admin\AppData\Local\Temp\adb.exe
| MD5 | 790fb1184a3ed8e475263daa54f98469 |
| SHA1 | 37a60f670a4f3c68a4872ec2e95c0be2bd130dae |
| SHA256 | ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706 |
| SHA512 | 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8 |
\Users\Admin\AppData\Local\Temp\AdbWinApi.dll
| MD5 | 114d0cdadcbdec8c6baa9af0a869700a |
| SHA1 | a794329bac18d02b891b0e24ec73d88da4fe3404 |
| SHA256 | 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c |
| SHA512 | edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f |
memory/3048-25-0x0000000001E70000-0x0000000001F70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat
| MD5 | cbcc0845497ddd773399e0f095539a4c |
| SHA1 | 6c878e4ee18d14b94a3214bdd283b221a1981877 |
| SHA256 | 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375 |
| SHA512 | e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f |
memory/3048-27-0x0000000001DB0000-0x0000000001DE5000-memory.dmp
memory/3048-26-0x0000000001DB0000-0x0000000001DE5000-memory.dmp
memory/2624-46-0x0000000000650000-0x0000000000685000-memory.dmp
memory/2624-47-0x0000000000650000-0x0000000000685000-memory.dmp
memory/2976-52-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2976-54-0x00000000000A0000-0x00000000000C4000-memory.dmp
memory/2512-51-0x0000000001E80000-0x0000000001EB5000-memory.dmp
memory/2512-56-0x0000000001E80000-0x0000000001EB5000-memory.dmp
memory/2976-55-0x0000000000110000-0x0000000000112000-memory.dmp
memory/2976-57-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-58-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2976-62-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2512-61-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/3048-66-0x0000000001DB0000-0x0000000001DE5000-memory.dmp
memory/3048-68-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2976-74-0x0000000000080000-0x0000000000081000-memory.dmp
memory/2976-75-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-76-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-77-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-79-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-80-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-81-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-82-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2976-84-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/2624-85-0x0000000000650000-0x0000000000685000-memory.dmp
memory/1940-94-0x0000000000320000-0x0000000000355000-memory.dmp
memory/1940-95-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1940-96-0x0000000000320000-0x0000000000355000-memory.dmp
memory/1940-97-0x0000000000320000-0x0000000000355000-memory.dmp
memory/1940-98-0x0000000000320000-0x0000000000355000-memory.dmp
memory/1940-100-0x0000000000320000-0x0000000000355000-memory.dmp
memory/1940-99-0x0000000000320000-0x0000000000355000-memory.dmp
memory/2976-101-0x00000000002C0000-0x00000000002F5000-memory.dmp
memory/1940-102-0x0000000000320000-0x0000000000355000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-10 10:21
Reported
2024-04-10 10:24
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Detects PlugX payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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PlugX
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397.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 = 37004100300046003100300033004300390038003900440044004500320043000000 | 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\369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397.exe
"C:\Users\Admin\AppData\Local\Temp\369e74a8e1f686896f82d92ee2467ca6736bc44b06faab9db9ea6473aef4c397.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" 100 376
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 4940
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.40.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.166.213.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 |
memory/376-19-0x00000000024E0000-0x00000000025E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat
| MD5 | cbcc0845497ddd773399e0f095539a4c |
| SHA1 | 6c878e4ee18d14b94a3214bdd283b221a1981877 |
| SHA256 | 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375 |
| SHA512 | e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f |
memory/376-20-0x00000000007D0000-0x0000000000805000-memory.dmp
memory/376-21-0x00000000007D0000-0x0000000000805000-memory.dmp
memory/2292-40-0x00000000024E0000-0x0000000002515000-memory.dmp
memory/2292-41-0x00000000024E0000-0x0000000002515000-memory.dmp
memory/1984-45-0x00000000008D0000-0x0000000000905000-memory.dmp
memory/1984-46-0x00000000008D0000-0x0000000000905000-memory.dmp
memory/4940-47-0x0000000001040000-0x0000000001041000-memory.dmp
memory/4940-48-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-49-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-50-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-60-0x00000000011D0000-0x00000000011D1000-memory.dmp
memory/4940-61-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-63-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-62-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/1984-67-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/4940-66-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/376-70-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/376-69-0x00000000007D0000-0x0000000000805000-memory.dmp
memory/4940-68-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-71-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-72-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/4940-74-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/2292-75-0x00000000024E0000-0x0000000002515000-memory.dmp
memory/2292-76-0x0000000000400000-0x00000000004E1000-memory.dmp
memory/2344-77-0x0000000002E60000-0x0000000002E95000-memory.dmp
memory/2344-78-0x0000000001200000-0x0000000001201000-memory.dmp
memory/2344-80-0x0000000002E60000-0x0000000002E95000-memory.dmp
memory/2344-81-0x0000000002E60000-0x0000000002E95000-memory.dmp
memory/2344-82-0x0000000002E60000-0x0000000002E95000-memory.dmp
memory/4940-84-0x00000000016F0000-0x0000000001725000-memory.dmp
memory/2344-85-0x0000000002E60000-0x0000000002E95000-memory.dmp