cryptbot | 2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1700-0-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-2-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-5-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-4-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-3-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-120-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-125-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-128-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-131-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-134-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-137-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-140-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-143-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-146-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-149-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida
behavioral2/memory/1700-152-0x00000000004D0000-0x0000000000BBE000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1700	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1700	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe
1700	2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe

C:\Users\Admin\AppData\Local\Temp\2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.exe
"C:\Users\Admin\AppData\Local\Temp\2991d580a9894fd67ead96e52ae559f3c1692fcf6e4bae4b857734b9f4344483.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
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

4

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion