hiverat | deb4b809f9360df97d5991701bb4ce8d6f0a2b929e1459ea509299b3bfa65d62

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	efc5d47f6d5aa4dbd22cd109aa13ac30_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	efc5d47f6d5aa4dbd22cd109aa13ac30_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	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	efc5d47f6d5aa4dbd22cd109aa13ac30_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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	efc5d47f6d5aa4dbd22cd109aa13ac30_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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 964 set thread context of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.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 4 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	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
1760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Token: SeDebugPrivilege	2996	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
Token: SeRestorePrivilege	396	dw20.exe
Token: SeBackupPrivilege	396	dw20.exe
Token: SeBackupPrivilege	396	dw20.exe
Token: SeBackupPrivilege	396	dw20.exe
Token: SeBackupPrivilege	396	dw20.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 1760	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	91
PID 964 wrote to memory of 1760	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	91
PID 964 wrote to memory of 1760	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	91
PID 964 wrote to memory of 3056	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	93
PID 964 wrote to memory of 3056	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	93
PID 964 wrote to memory of 3056	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	93
PID 964 wrote to memory of 3044	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	94
PID 964 wrote to memory of 3044	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	94
PID 964 wrote to memory of 3044	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	94
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 964 wrote to memory of 2996	964	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	95
PID 2996 wrote to memory of 396	2996	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	96
PID 2996 wrote to memory of 396	2996	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	96
PID 2996 wrote to memory of 396	2996	efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efc5d47f6d5aa4dbd22cd109aa13ac30_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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iuvFUtslgAL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5697.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1760
- C:\Users\Admin\AppData\Local\Temp\efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:3044
- C:\Users\Admin\AppData\Local\Temp\efc5d47f6d5aa4dbd22cd109aa13ac30_JaffaCakes118.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 856
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

6

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2