Analysis
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max time kernel
141s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2023 15:01
Static task
static1
Behavioral task
behavioral1
Sample
06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe
Resource
win7-20230220-en
General
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Target
06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe
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Size
3.4MB
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MD5
4618dc7a2cf5011ed33735bb0a204c4f
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SHA1
d1527dc4fb18e653a6983b8d7b0d682913a73f55
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SHA256
06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368
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SHA512
8e8239a4d0e6c7ee5c91cb946e3f0f6a0462d67fbe4e71f4a45a71b774a11a25c082c406d9c6389ee594dbe1b390eb1ed1d4ed47a14f05fe3701ec2950985b34
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SSDEEP
98304:cMkY89erVmhLaN1icHWCABG6o5fnaQaC8F2NPhSH00:cMk99IxiCWCMGlVnYC22BhSU
Malware Config
Extracted
laplas
http://163.123.142.220
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
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__ 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.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 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe -
Executes dropped EXE 1 IoCs
pid Process 3860 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" 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3996 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 3860 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 22 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3996 wrote to memory of 3860 3996 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 85 PID 3996 wrote to memory of 3860 3996 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe"C:\Users\Admin\AppData\Local\Temp\06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.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:3996 -
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:3860
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
485.0MB
MD51f09e984e4ceb4bbcd80a61fa7d5f2bf
SHA1d6145194f2bdce3c74d3ac5594524a7addcb952d
SHA25681992ee05ae46c3187c78e876a7f6d597e08bc0ca09c12cf54298e57b4030497
SHA5123ba494bf627e95d5a8ef257a44234b4ed24fc128b6ed4bc91e3b31c11539ac387de6f4d1dd25681286329cb61cbb719dd04f4124fa4b30bf227b8b05859adfff