mercurialgrabber | 9d37032e823df7f4a195dfbee978c3a9657dd9e658d6a1708922b3ba8e04675b

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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

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\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe"	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
12	discord.com
10	discord.com
11	discord.com

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	ip4.seeip.org
8	ip-api.com

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	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	2684	WerFault.exe	30

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_037ce49f267667b679cbf2fb94001f28.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	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.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\Logical Unit Id 0	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2936	2684	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe	32
PID 2684 wrote to memory of 2936	2684	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe	32
PID 2684 wrote to memory of 2936	2684	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe	32
PID 2684 wrote to memory of 2936	2684	JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_037ce49f267667b679cbf2fb94001f28.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1428
  2⤵
  - Program crash
  PID:2936

Network

MITRE ATT&CK Enterprise v15

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

2

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

5

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service