f100d13ed13b875cfac115cbff7aa0b235e7e67716c2b4177fe6b97f68296bf5

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosdate	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa = "C:\\Windows\\System32\\aaaaaaaa.exe"	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa = "C:\\Users\\Admin\\aaaaaaaa.exe"	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aaaaaaaa.exe	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosDate	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28
PID 2164 wrote to memory of 1296	2164	b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3cc5a2f2038f997a1a675fa0863336b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  - Checks BIOS information in registry
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:1296

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

Credential Access

Discovery

Query Registry

3

System Information Discovery

3