Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 19:58
Static task
static1
Behavioral task
behavioral1
Sample
43e41aec9e2c027a0316b7500f14b9d4.exe
Resource
win7-20241010-en
General
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Target
43e41aec9e2c027a0316b7500f14b9d4.exe
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Size
4.2MB
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MD5
43e41aec9e2c027a0316b7500f14b9d4
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SHA1
599109f59debf7880dd9decfed047829241ac341
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SHA256
f5743915756451135c9902ae18aa3b6f3727cb2ac4444acef3f6b3daeab2982c
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SHA512
b8a53692dca178c97a5518317a8e3dbbce3d1535881d048530fba4f14719109b04ecd6bc6a98afaf0c67e077b49c69b87decd72c9adc7eb92245d9cb4f1867c7
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SSDEEP
98304:2O2iTB5COUtEiSi3k5wZCgNLc/0VZp62iDrArPZ8QmtNOaR2xd5:2OjT/Crxj0erLc/0/NCrJCt
Malware Config
Extracted
cryptbot
Signatures
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Cryptbot family
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF 43e41aec9e2c027a0316b7500f14b9d4.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 43e41aec9e2c027a0316b7500f14b9d4.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 43e41aec9e2c027a0316b7500f14b9d4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 43e41aec9e2c027a0316b7500f14b9d4.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine 43e41aec9e2c027a0316b7500f14b9d4.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1840 43e41aec9e2c027a0316b7500f14b9d4.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43e41aec9e2c027a0316b7500f14b9d4.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1840 43e41aec9e2c027a0316b7500f14b9d4.exe 1840 43e41aec9e2c027a0316b7500f14b9d4.exe 1840 43e41aec9e2c027a0316b7500f14b9d4.exe 1840 43e41aec9e2c027a0316b7500f14b9d4.exe 1840 43e41aec9e2c027a0316b7500f14b9d4.exe 1840 43e41aec9e2c027a0316b7500f14b9d4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\43e41aec9e2c027a0316b7500f14b9d4.exe"C:\Users\Admin\AppData\Local\Temp\43e41aec9e2c027a0316b7500f14b9d4.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1840
Network
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Remote address:8.8.8.8:53Requesthttpbin.orgIN AResponsehttpbin.orgIN A98.85.100.80httpbin.orgIN A34.226.108.155
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Remote address:8.8.8.8:53Requesthttpbin.orgIN AAAAResponse
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AResponsehome.fivetk5pn.topIN A185.185.71.170
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AAAAResponse
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Remote address:185.185.71.170:80RequestPOST /vJNDHPUXPCEIZZjTPbLp1734325090 HTTP/1.1
Host: home.fivetk5pn.top
Accept: */*
Content-Type: application/json
Content-Length: 373549
ResponseHTTP/1.1 200 OK
date: Wed, 18 Dec 2024 19:58:33 GMT
content-type: text/html; charset=utf-8
content-length: 1
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AResponse
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AAAAResponsehome.fivetk5pn.topIN A185.185.71.170
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AResponsehome.fivetk5pn.topIN A185.185.71.170
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GEThttp://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090?argument=043e41aec9e2c027a0316b7500f14b9d4.exeRemote address:185.185.71.170:80RequestGET /vJNDHPUXPCEIZZjTPbLp1734325090?argument=0 HTTP/1.1
Host: home.fivetk5pn.top
Accept: */*
ResponseHTTP/1.1 404 NOT FOUND
date: Wed, 18 Dec 2024 19:58:35 GMT
content-type: text/html; charset=utf-8
content-length: 207
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AResponsehome.fivetk5pn.topIN A185.185.71.170
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Remote address:8.8.8.8:53Requesthome.fivetk5pn.topIN AAAAResponse
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Remote address:185.185.71.170:80RequestPOST /vJNDHPUXPCEIZZjTPbLp1734325090 HTTP/1.1
Host: home.fivetk5pn.top
Accept: */*
Content-Type: application/json
Content-Length: 31
ResponseHTTP/1.1 404 NOT FOUND
date: Wed, 18 Dec 2024 19:58:36 GMT
content-type: text/html; charset=utf-8
content-length: 207
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1.6kB 6.5kB 16 15
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185.185.71.170:80http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090http43e41aec9e2c027a0316b7500f14b9d4.exe385.0kB 6.0kB 281 147
HTTP Request
POST http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090HTTP Response
200 -
185.185.71.170:80http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090?argument=0http43e41aec9e2c027a0316b7500f14b9d4.exe328 B 525 B 5 4
HTTP Request
GET http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090?argument=0HTTP Response
404 -
185.185.71.170:80http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090http43e41aec9e2c027a0316b7500f14b9d4.exe401 B 525 B 5 4
HTTP Request
POST http://home.fivetk5pn.top/vJNDHPUXPCEIZZjTPbLp1734325090HTTP Response
404
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160 B 250 B 2 2
DNS Request
httpbin.org
DNS Request
httpbin.org
DNS Response
98.85.100.8034.226.108.155
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174 B 226 B 2 2
DNS Request
home.fivetk5pn.top
DNS Request
home.fivetk5pn.top
DNS Response
185.185.71.170
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249 B 317 B 3 3
DNS Request
home.fivetk5pn.top
DNS Request
home.fivetk5pn.top
DNS Request
home.fivetk5pn.top
DNS Response
185.185.71.170
DNS Response
185.185.71.170
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174 B 226 B 2 2
DNS Request
home.fivetk5pn.top
DNS Request
home.fivetk5pn.top
DNS Response
185.185.71.170