Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
27-07-2023 11:52
Static task
static1
Behavioral task
behavioral1
Sample
taskhostclp.exe
Resource
win7-20230712-en
General
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Target
taskhostclp.exe
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Size
3.8MB
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MD5
9b79f724b8ed77f9e3ce6a71b4cf909d
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SHA1
455751b77ffb738d260c6388f191aa590c40eb50
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SHA256
b95ae0c815dc8fc44d8c8bbde1e853b96c3e1389fb30bcdf1d68f8e6a74b3106
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SHA512
0feb6c94b6c8fbceb8e63b0629e33d72c6080003203080b7d376a0bdf3f1a3a170bd19e1ce81ba284ea15d96414f57031361ac3dbbadf3c13090d86798906fad
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SSDEEP
98304:egg3eNxij7+KwZL+iHkrzLSAu1SEJVARl0080jeG3KshnA:hguNxZB/RSE4W2ys5A
Malware Config
Extracted
laplas
http://206.189.229.43
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api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
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__ taskhostclp.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 taskhostclp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion taskhostclp.exe -
Executes dropped EXE 1 IoCs
pid Process 968 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" taskhostclp.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA taskhostclp.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3568 taskhostclp.exe 968 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 41 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3568 wrote to memory of 968 3568 taskhostclp.exe 90 PID 3568 wrote to memory of 968 3568 taskhostclp.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\taskhostclp.exe"C:\Users\Admin\AppData\Local\Temp\taskhostclp.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:3568 -
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:968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
664.1MB
MD5919c4128783597bfae6c7b7448c27ae8
SHA1acfa530fcbfde74cf903e86611873b19b341f7df
SHA256c2cd8d77948ed6df3f22c2350ba153d79866ae3a91e6d2c11eb24c38b737a429
SHA5124e078bc08670fa1088039f07b3b61d160f2b756bbd24fb833926163fc348dbf59951b936bb385fa3ca36fe2c8f5d62d1466002d97d872a3d8472155837178ad6
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Filesize
648.1MB
MD59bd3df033c806d3465a0b9509e09f1f1
SHA1c34fae7f61afa42ec6381db2d1e1800449f00006
SHA25644c41dcc6ee3c3993ce8e84607a844b5e8d012474ad67df4c9ed3ed5b59d164e
SHA512e4a0c2fb96bb6ef1793cdb49050a7f0b3b648e38411fd27309a1ed0358346126237cd8ad6a078bf98e07d8ca5410f3d2f15df197cc875cdab2c0248c39da7031