cryptbot | 835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

Virtualization/Sandbox Evasion

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

Executes dropped EXE 1 IoCs

pid	Process
1364	Setup.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

T1082

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

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Wine	Setup.exe

Loads dropped DLL 4 IoCs

pid	Process
1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
1364	Setup.exe
1364	Setup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1364	Setup.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\New Year\Setup.exe	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
File created	C:\Program Files (x86)\New Year\Setx.exe	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
File created	C:\Program Files (x86)\New Year\enigma_ide.dll	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

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

System Information Discovery
T1082

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

T1082

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1364	Setup.exe

Suspicious use of FindShellTrayWindow 12 IoCs

pid	Process
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe
1364	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27
PID 1984 wrote to memory of 1364	1984	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	27

C:\Users\Admin\AppData\Local\Temp\835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
"C:\Users\Admin\AppData\Local\Temp\835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Program Files (x86)\New Year\Setup.exe
  "C:\Program Files (x86)\New Year\Setup.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

5

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Data from Local System