ardamax | af4ed0c318abf3e1a4dc26a8874eeafed5b5902c86d4b6e3242a70fd4f41102c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe

Executes dropped EXE 1 IoCs

pid	Process
1552	DTD.exe

Loads dropped DLL 2 IoCs

pid	Process
1552	DTD.exe
4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DTD Start = "C:\\Windows\\SysWOW64\\AVMEKS\\DTD.exe"	DTD.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\AVMEKS\DTD.001	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe
File created	C:\Windows\SysWOW64\AVMEKS\DTD.002	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe
File created	C:\Windows\SysWOW64\AVMEKS\AKV.exe	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe
File created	C:\Windows\SysWOW64\AVMEKS\DTD.exe	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe
File opened for modification	C:\Windows\SysWOW64\AVMEKS\	DTD.exe
File created	C:\Windows\SysWOW64\AVMEKS\DTD.004	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe

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

System Information Discovery
T1082

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_64a386e5175a4a56c40192adcf2e4f41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DTD.exe

Checks processor information in registry 2 TTPs 3 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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2676	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1552	DTD.exe
Token: SeIncBasePriorityPrivilege	1552	DTD.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
1552	DTD.exe
1552	DTD.exe
1552	DTD.exe
1552	DTD.exe
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 1552	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	82
PID 4000 wrote to memory of 1552	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	82
PID 4000 wrote to memory of 1552	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	82
PID 4000 wrote to memory of 2676	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	83
PID 4000 wrote to memory of 2676	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	83
PID 4000 wrote to memory of 2676	4000	JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64a386e5175a4a56c40192adcf2e4f41.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\AVMEKS\DTD.exe
  "C:\Windows\system32\AVMEKS\DTD.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1552
- C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Quotation.xlsx"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:2676

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

4

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery