mercurialgrabber | f9ed037580f9db1b3331de0335dc1af3456177c84aa24dac9b64c599a27542c3

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.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_051d4b4ab237b5e83ddc305f3257553d.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_051d4b4ab237b5e83ddc305f3257553d.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

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

Web Service

T1102

flow	ioc
26	discord.com
27	discord.com
28	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
7	ip4.seeip.org
24	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_051d4b4ab237b5e83ddc305f3257553d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4428	4564	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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_051d4b4ab237b5e83ddc305f3257553d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.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_051d4b4ab237b5e83ddc305f3257553d.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\SystemBiosInformation	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
Token: SeDebugPrivilege	4564	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83
PID 3936 wrote to memory of 4564	3936	JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe
  "JaffaCakes118_051d4b4ab237b5e83ddc305f3257553d.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 2004
    3⤵
    - Program crash
    PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4564 -ip 4564
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

4

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