Analysis
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max time kernel
139s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
08-07-2023 16:32
Static task
static1
Behavioral task
behavioral1
Sample
3405a14bdc05e4bca019b1b36.exe
Resource
win7-20230703-en
General
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Target
3405a14bdc05e4bca019b1b36.exe
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Size
4.1MB
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MD5
71f04aa7d5c3232c7c2b9afad6777b53
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SHA1
617487d25e1b3c27112c918e54deb744c57e9fa9
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SHA256
3405a14bdc05e4bca019b1b364393e0d78b94bbd1f2652cb3106631610ee7269
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SHA512
1068c6162f07e6123c827e3f731047a7caee91dca6a1977a6236f49c6a162cadf6d7e6c0e29baa7a61c70d378ac9356029ce4330a2eab169aa15c03b2b731ffe
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SSDEEP
98304:CmICyUcKzmy4XlAD2R3e22RMHRPnZNCVb25cfFKG88ZvvRqgx:Cm/nzslADie22mHdZNh5078Cvv
Malware Config
Extracted
laplas
http://lpls.tuktuk.ug
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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__ 3405a14bdc05e4bca019b1b36.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 3405a14bdc05e4bca019b1b36.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3405a14bdc05e4bca019b1b36.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 1380 ntlhost.exe -
Loads dropped DLL 1 IoCs
pid Process 2388 3405a14bdc05e4bca019b1b36.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-719110999-4061093145-1944564496-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 3405a14bdc05e4bca019b1b36.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3405a14bdc05e4bca019b1b36.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ntlhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2388 3405a14bdc05e4bca019b1b36.exe 1380 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2388 wrote to memory of 1380 2388 3405a14bdc05e4bca019b1b36.exe 29 PID 2388 wrote to memory of 1380 2388 3405a14bdc05e4bca019b1b36.exe 29 PID 2388 wrote to memory of 1380 2388 3405a14bdc05e4bca019b1b36.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3405a14bdc05e4bca019b1b36.exe"C:\Users\Admin\AppData\Local\Temp\3405a14bdc05e4bca019b1b36.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:2388 -
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:1380
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
736.1MB
MD56247cdf3d802c05742109534c6824275
SHA16807c069d8fbccaa5a718f6bbd93c59cf06f0a85
SHA2567347a84c5b15d38843f028a8256b3e610bc6cc6f4bc409138f61a15da2f9e547
SHA5124d25c3c48129077ddfd687ccf5d993b560fcb4a6e5fc036cd966504d3455838d977472d17051b0e0330e007428aac02954c192ccc4a77c8c4eebb30d7079e410
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Filesize
736.1MB
MD56247cdf3d802c05742109534c6824275
SHA16807c069d8fbccaa5a718f6bbd93c59cf06f0a85
SHA2567347a84c5b15d38843f028a8256b3e610bc6cc6f4bc409138f61a15da2f9e547
SHA5124d25c3c48129077ddfd687ccf5d993b560fcb4a6e5fc036cd966504d3455838d977472d17051b0e0330e007428aac02954c192ccc4a77c8c4eebb30d7079e410