Analysis
- max time kernel
119s - max time network
122s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
02/10/2021, 02:02
General
- Target 8d24805f86338bc3bd7a618c94cb1722.exe
- Size 2.6MB
- Sample211002-cf5pgsddhr
- SHA256 79e5bf312a07b2e520036bb5865957bdd5571e486b4da85cc2600ab8af3a51e6
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.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d24805f86338bc3bd7a618c94cb1722.exe"C:\Users\Admin\AppData\Local\Temp\8d24805f86338bc3bd7a618c94cb1722.exe"1⤵
- 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
Loading Replay Monitor...
Downloads
memory/2452-116-0x0000000000D60000-0x0000000000D61000-memory.dmp
memory/2452-118-0x00000000066F0000-0x00000000066F1000-memory.dmp
memory/2452-119-0x0000000005FB0000-0x0000000005FB1000-memory.dmp
memory/2452-120-0x00000000061F0000-0x00000000061F1000-memory.dmp
memory/2452-121-0x0000000006010000-0x0000000006011000-memory.dmp
memory/2452-122-0x0000000077E30000-0x0000000077FBE000-memory.dmp
memory/2452-123-0x00000000060D0000-0x00000000060D1000-memory.dmp
memory/2452-124-0x0000000006050000-0x0000000006051000-memory.dmp
memory/2452-125-0x00000000077C0000-0x00000000077C1000-memory.dmp
memory/2452-126-0x0000000007EC0000-0x0000000007EC1000-memory.dmp
memory/2452-127-0x00000000083F0000-0x00000000083F1000-memory.dmp
memory/2452-128-0x0000000007990000-0x0000000007991000-memory.dmp
memory/2452-129-0x0000000007B90000-0x0000000007B91000-memory.dmp
memory/2452-130-0x0000000007CB0000-0x0000000007CB1000-memory.dmp
memory/2452-131-0x0000000007C70000-0x0000000007C71000-memory.dmp
memory/2452-132-0x0000000007E30000-0x0000000007E31000-memory.dmp