a6257bbaa87a0c79f38a3560a3b61bb1f05ceb99fd0163ca093980aea3ac5b56

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2020-9-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2020-8-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2020-4-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2020-10-0x0000000000400000-0x0000000000433000-memory.dmp	upx

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ee78074854e6ed49449a0e8982f24055_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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	2020	WerFault.exe	31

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	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2020	2728	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	31
PID 2020 wrote to memory of 2816	2020	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2816	2020	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2816	2020	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	32
PID 2020 wrote to memory of 2816	2020	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe	32

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2728
- C:\Users\Admin\AppData\Local\Temp\ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ee78074854e6ed49449a0e8982f24055_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 36
    3⤵
    - Program crash
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery