Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03-05-2023 09:41
Static task
static1
Behavioral task
behavioral1
Sample
auto.exe
Resource
win7-20230220-en
General
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Target
auto.exe
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Size
4.3MB
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MD5
ddac8c4023deb11c8640fca3c9313113
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SHA1
396f984beea94dd6f1e59218cacfff3836ee8521
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SHA256
fd1b90ab20f012a6132f7f059f73032b279739f29217e331b947c984a4172b05
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SHA512
2fb5f51ce4ac4494d4811207c6ba29fd1a1d8b1a2e52771f5567fbb37bc71d8e5b2b8f349bfccd87e91f4d28b9cff10f6b3e134dc98de62faab92b1eab2f1280
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SSDEEP
98304:lAyd60OW0mP1Q6Ul5ZTeDWsAL3Kc3SLcxIVbYzR0nP6QdB8:Cf051lUXUDMKcCL0Eb4R
Malware Config
Extracted
laplas
http://185.209.161.89
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api_key
6a2714906f1325d666e4cf9f6269c2352ccfb7e7f1a23c114287dc69ddf27cb0
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__ auto.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 auto.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion auto.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ntlhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ntlhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4744 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" auto.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA auto.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3348 auto.exe 4744 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 35 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3348 wrote to memory of 4744 3348 auto.exe 88 PID 3348 wrote to memory of 4744 3348 auto.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\auto.exe"C:\Users\Admin\AppData\Local\Temp\auto.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:3348 -
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:4744
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
741.8MB
MD5225afeace9cd7e80bf05fe8676d25032
SHA188e688d1b35ba2266ee9818962816e210d3da87f
SHA2567abcdbb5814df9448c5b5433cbd3bfb318a8dc2ef1f5eec9c817c53390f5cfb1
SHA512bac5737455b899da10c1d5287f3f09764a85383fc404252ad256302e0a2c376f8b1a7fcea68535a53c1e6a21dda24f65a2b782967bb849d65bfe784d1cc5d955
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Filesize
751.6MB
MD5813b88b223d5170625406256ff86ec88
SHA198693f1ae5b4f13f08fa888fabbe8fc1d6acc2ab
SHA25625be361647fb1282e7a9ee81b33d3e2b92b08f31182ab0a2ed1ea7ab0c5eef82
SHA5126e424f949c5b26dd6241e8a890beeee2127e7a08a103967147645efb3f684892e8bb91a8ccb537f84ced1f53d5eef215079e5015a4952c68fae69a8c332c479a