Analysis
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max time kernel
152s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-07-2022 09:11
Static task
static1
Behavioral task
behavioral1
Sample
5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe
Resource
win10v2004-20220414-en
General
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Target
5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe
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Size
2.8MB
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MD5
d9ebac8eb76908038edb8d4a75467c48
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SHA1
4e4c78ba49d04434fbb65f68641b65ba182d4569
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SHA256
5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05
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SHA512
b65f95e4b0bf63d837e659af4fe09d476eb908fbcd7b7883ce4390f926f8122d63abb3618cadebe975b93995a4787d5d9ae3095ad144ba083d336bd842e6f01a
Malware Config
Signatures
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Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
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Shurk Stealer payload 4 IoCs
resource yara_rule behavioral2/memory/2272-131-0x00000000007F0000-0x0000000000F0D000-memory.dmp shurk_stealer behavioral2/memory/2272-132-0x00000000007F0000-0x0000000000F0D000-memory.dmp shurk_stealer behavioral2/memory/2272-134-0x00000000007F0000-0x0000000000F0D000-memory.dmp shurk_stealer behavioral2/memory/2272-136-0x00000000007F0000-0x0000000000F0D000-memory.dmp shurk_stealer -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe -
resource yara_rule behavioral2/memory/2272-130-0x00000000007F0000-0x0000000000F0D000-memory.dmp themida behavioral2/memory/2272-131-0x00000000007F0000-0x0000000000F0D000-memory.dmp themida behavioral2/memory/2272-132-0x00000000007F0000-0x0000000000F0D000-memory.dmp themida behavioral2/memory/2272-134-0x00000000007F0000-0x0000000000F0D000-memory.dmp themida behavioral2/memory/2272-136-0x00000000007F0000-0x0000000000F0D000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2272 5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe"C:\Users\Admin\AppData\Local\Temp\5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2272