Analysis
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max time kernel
138s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
26-07-2021 20:09
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
Setup.exe
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Size
3.2MB
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MD5
6a42e481e8c2f649a854b08cdaf73be4
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SHA1
66d7883449483a44232053f77ed1701c3c3ac9e3
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SHA256
3f4a6504fe8dc05ff75fe4a3bdf27eb509b2431ebaf4e189c23b9297ea300f19
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SHA512
9d4b1d3ffafebf0faebe550f2d3064a1f515b908e049a5aca07b151d8bfe165d545f244bfd3960283a9310c18e50968834dc3fc471258ef8ddf7541e597d87be
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule behavioral2/memory/3944-116-0x00000000012C0000-0x00000000012C1000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Setup.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Setup.exepid process 3944 Setup.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Setup.exepid process 3944 Setup.exe 3944 Setup.exe 3944 Setup.exe 3944 Setup.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Setup.exedescription pid process Token: SeDebugPrivilege 3944 Setup.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944