Analysis
- max time kernel
123s - max time network
126s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
17/10/2021, 07:21
Static task
static1
Behavioral task
behavioral1
Sample
a48b5d215227d1b2bf41e2de8f7b22b5.exe
Resource
win7-en-20211014
0 signatures
0 seconds
General
- Target a48b5d215227d1b2bf41e2de8f7b22b5.exe
- Size 2.8MB
- Sample211017-h6nfsadcap
- SHA256 34320d654fd11e894fea8d441e9546300dbcc80a0a2cd3ffec0104717ccc5020
- MD5 a48b5d215227d1b2bf41e2de8f7b22b5
- SHA1 57748b1c1f06bc973dacd40cd7696e86ce4a3fbd
- SHA512 e9f275fb18ec7efbff9d805f37b8418e41335f185f7e8d3b89bec671b8bed41516580f9a8aae4e68195762596974e79036422d0061dd9c87512ebab247d426df
- MD5 SHA1 SHA512
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- 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 a48b5d215227d1b2bf41e2de8f7b22b5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion a48b5d215227d1b2bf41e2de8f7b22b5.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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resource yara_rule behavioral2/memory/2160-118-0x0000000000010000-0x0000000000011000-memory.dmp themida - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a48b5d215227d1b2bf41e2de8f7b22b5.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2160 a48b5d215227d1b2bf41e2de8f7b22b5.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2160 a48b5d215227d1b2bf41e2de8f7b22b5.exe 2160 a48b5d215227d1b2bf41e2de8f7b22b5.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2160 a48b5d215227d1b2bf41e2de8f7b22b5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a48b5d215227d1b2bf41e2de8f7b22b5.exe"C:\Users\Admin\AppData\Local\Temp\a48b5d215227d1b2bf41e2de8f7b22b5.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160