mercurialgrabber | 66359689b1ca80fbab24796d04cc3a91e3eb804de56635adc9d46a925758ffe6

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	ITROUB~2.EXE

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	ITROUB~2.EXE

Checks BIOS information in registry 2 TTPs 1 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\VideoBiosVersion	ITROUB~2.EXE

Executes dropped EXE 1 IoCs

pid	Process
6080	ITROUB~2.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	ItroublveTSC.exe

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
1	ip4.seeip.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ITROUB~2.EXE
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ITROUB~2.EXE

Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	ITROUB~2.EXE

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	ITROUB~2.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	ITROUB~2.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	ITROUB~2.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	ITROUB~2.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6080	ITROUB~2.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 6080	5100	ItroublveTSC.exe	79

C:\Users\Admin\AppData\Local\Temp\ItroublveTSC.exe
"C:\Users\Admin\AppData\Local\Temp\ItroublveTSC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ITROUB~2.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ITROUB~2.EXE
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Maps connected drives based on registry
  - Checks SCSI registry key(s)
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:6080

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion