Analysis
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max time kernel
142s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.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 1952 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 1824 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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 1824 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 1952 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 1824 wrote to memory of 1952 1824 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 26 PID 1824 wrote to memory of 1952 1824 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 26 PID 1824 wrote to memory of 1952 1824 06b2382754c2218d255e72fc37a646d438452266ff4b265b7d05eadef7b4d368.exe 26
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
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1824 -
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:1952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
468.0MB
MD5568e51114f60478fbd5fb942936ca808
SHA14d9be5baad63c9b022ae57b519fba5bfc8d06a49
SHA256f106427137e8153db066edadebe41d9a85b1b9709c4e43e60722924dafa0f153
SHA5128a6ba58c70f5ea5cf7a61e462b642afbe2bfbc838855b25ec387d8167e310aa01696061421da41ea8eaad8e24f8f031852efaf428cbf493898f393b53d230f03
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Filesize
463.2MB
MD5c7d4b2b7e152cb7b2f697190212fd4da
SHA1388df15995e7133272959355f528a026604442eb
SHA2561593c81cda81bf740398eceb26de023e5d7314cdcb4fc931f38022990f866557
SHA512f94559b837d1d5ae7a40041b8d4cfb20fd9b58a1a90a4fc85c66a2af247b348468a63b857970efc5ede77aa8115f7a2c31cb94ecf26a653a46487f2f52abf0f8