Analysis
- max time kernel
102s - max time network
104s - platform
windows10_x64 - resource
win10v20210408 - submitted
18/09/2021, 08:51
General
- Target 79402bb84b6e25e1475b8b4626f4b39a.exe
- Size 3.8MB
- Sample210918-kr54dsbhbm
- SHA256 2a7d8e9aa4eb7ea7cd820178956ca720312387b799c541ad95acfeeffbee1abc
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\79402bb84b6e25e1475b8b4626f4b39a.exe"C:\Users\Admin\AppData\Local\Temp\79402bb84b6e25e1475b8b4626f4b39a.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
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Downloads
memory/652-114-0x0000000077CA0000-0x0000000077E2E000-memory.dmp
memory/652-116-0x0000000000360000-0x0000000000361000-memory.dmp
memory/652-118-0x0000000005B60000-0x0000000005B61000-memory.dmp
memory/652-119-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/652-120-0x0000000005660000-0x0000000005661000-memory.dmp
memory/652-121-0x0000000005590000-0x0000000005591000-memory.dmp
memory/652-122-0x0000000005540000-0x0000000005541000-memory.dmp
memory/652-123-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/652-124-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
memory/652-125-0x00000000073E0000-0x00000000073E1000-memory.dmp
memory/652-126-0x0000000007910000-0x0000000007911000-memory.dmp
memory/652-127-0x0000000006F70000-0x0000000006F71000-memory.dmp
memory/652-128-0x0000000007090000-0x0000000007091000-memory.dmp
memory/652-129-0x0000000006FF0000-0x0000000006FF1000-memory.dmp
memory/652-130-0x0000000007310000-0x0000000007311000-memory.dmp
memory/652-131-0x0000000008060000-0x0000000008061000-memory.dmp