237d55b49ac41381a844751b4549eab5b31a2fa0ca0e85ba0e1520d12066e681

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 19 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\R:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\W:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\N:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\O:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\P:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\G:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\V:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\S:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\T:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\H:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\I:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\J:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\M:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\Q:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\U:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\X:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\E:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\K:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
File opened (read-only)	\??\L:	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/788-0-0x0000000000400000-0x0000000001564000-memory.dmp	upx
behavioral2/files/0x0009000000023616-5.dat	upx
behavioral2/memory/788-6-0x0000000000400000-0x0000000001564000-memory.dmp	upx

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	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 3344	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	89
PID 788 wrote to memory of 3344	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	89
PID 788 wrote to memory of 3344	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	89
PID 788 wrote to memory of 3980	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	91
PID 788 wrote to memory of 3980	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	91
PID 788 wrote to memory of 3980	788	132686a054873689c8db2373e6aa5012_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\132686a054873689c8db2373e6aa5012_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\132686a054873689c8db2373e6aa5012_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3344
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4616,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=1008 /prefetch:8
1⤵
PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Indicator Removal

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery