formbook | b85055ab3db03b5496bcd19448c54dea594d8f44cc84d17f99cbf6cd9085fa2d

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.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	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe

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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2252	powershell.exe
2252	powershell.exe
2296	powershell.exe
2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
4016	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
4016	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
1896	powershell.exe
2296	powershell.exe
1896	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	powershell.exe
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
Token: SeDebugPrivilege	1896	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2252	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	97
PID 2032 wrote to memory of 2252	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	97
PID 2032 wrote to memory of 2252	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	97
PID 2032 wrote to memory of 2296	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	99
PID 2032 wrote to memory of 2296	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	99
PID 2032 wrote to memory of 2296	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	99
PID 2032 wrote to memory of 2640	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	101
PID 2032 wrote to memory of 2640	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	101
PID 2032 wrote to memory of 2640	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	101
PID 2032 wrote to memory of 1896	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	103
PID 2032 wrote to memory of 1896	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	103
PID 2032 wrote to memory of 1896	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	103
PID 2032 wrote to memory of 736	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	104
PID 2032 wrote to memory of 736	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	104
PID 2032 wrote to memory of 736	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	104
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106
PID 2032 wrote to memory of 4016	2032	fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe	106

C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPSemDsygYqHl.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2296
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPSemDsygYqHl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39A9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPSemDsygYqHl.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1896
- C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe"
  2⤵
  PID:736
- C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fa3f2124cf9b027ca2b8a04df5e27cc2_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion