snakekeylogger | 4849dbdaa543b1235a1f8898c99a782d683bcc95353839889b1c0619d113ccaf

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	f86b78245fc59a9841529d0bc4ad6d26_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	f86b78245fc59a9841529d0bc4ad6d26_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	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f86b78245fc59a9841529d0bc4ad6d26_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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
33	checkip.dyndns.org
35	freegeoip.app
36	freegeoip.app

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	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4920	4036	WerFault.exe	103

System Location Discovery: System Language Discovery 1 TTPs 3 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	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.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
2944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
4036	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
Token: SeDebugPrivilege	4036	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2944	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	100
PID 4812 wrote to memory of 2944	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	100
PID 4812 wrote to memory of 2944	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	100
PID 4812 wrote to memory of 1684	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	102
PID 4812 wrote to memory of 1684	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	102
PID 4812 wrote to memory of 1684	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	102
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103
PID 4812 wrote to memory of 4036	4812	f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe	103

C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_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:4812
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gdDJFprXaHtL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C68.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2944
- C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"
  2⤵
  PID:1684
- C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f86b78245fc59a9841529d0bc4ad6d26_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 1780
    3⤵
    - Program crash
    PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4036 -ip 4036
1⤵
PID:1480

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

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2