Analysis
- max time kernel
141s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
- submitted
03/07/2023, 12:09
General
- Target b7284f4a9502d0d74e77d465f60f78f0.exe
- Size 2.6MB
- Sample230703-pbfwsahf4w
- SHA256 b58cdc2d1c18a58083eb52574470507f85e085d80f2c2df106c208ed2cd2641f
Malware Config
Signatures
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 1 IoCs
Detects Themida, an advanced Windows software protection system.
- 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.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b7284f4a9502d0d74e77d465f60f78f0.exe"C:\Users\Admin\AppData\Local\Temp\b7284f4a9502d0d74e77d465f60f78f0.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4792-133-0x0000000000400000-0x0000000000A44000-memory.dmp
memory/4792-136-0x0000000000400000-0x0000000000A44000-memory.dmp
memory/4792-137-0x0000000004F90000-0x0000000005534000-memory.dmp
memory/4792-138-0x0000000005540000-0x00000000055D2000-memory.dmp
memory/4792-139-0x00000000055E0000-0x00000000057A2000-memory.dmp
memory/4792-140-0x00000000057B0000-0x0000000005826000-memory.dmp
memory/4792-141-0x0000000005830000-0x0000000005880000-memory.dmp
memory/4792-142-0x00000000058B0000-0x0000000005916000-memory.dmp
memory/4792-143-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/4792-144-0x0000000006100000-0x000000000612E000-memory.dmp
memory/4792-145-0x0000000006130000-0x0000000006168000-memory.dmp
memory/4792-146-0x00000000065C0000-0x0000000006AEC000-memory.dmp
memory/4792-147-0x0000000006BF0000-0x0000000006C0E000-memory.dmp
memory/4792-149-0x0000000000400000-0x0000000000A44000-memory.dmp
memory/4792-150-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/4792-153-0x00000000061F0000-0x0000000006202000-memory.dmp
memory/4792-154-0x0000000006210000-0x000000000624C000-memory.dmp