cryptbot | 381d92bbafee8c7a8e7b42ce2904812e5f652295eac97a262d7f1ad223eb5168

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.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	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.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 20 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/532-0-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-2-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-3-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-4-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-5-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-119-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-121-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-123-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-126-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-129-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-132-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-135-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-137-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-140-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-143-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-147-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-150-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-153-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-156-0x00000000009B0000-0x0000000001101000-memory.dmp	themida
behavioral2/memory/532-160-0x00000000009B0000-0x0000000001101000-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	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
532	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.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	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
532	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe
532	JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a80093ffdd77cb26f2c7558846d5b0.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:532

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