ardamax | 1e015c01fc64bad487f2cef9b06b2a5c5d1d5f7df4512f485ae333216266e377

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	process32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	DGR.exe

Executes dropped EXE 2 IoCs

pid	Process
4332	process32.exe
4904	DGR.exe

Loads dropped DLL 1 IoCs

pid	Process
4904	DGR.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\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GAbLPmGNIU = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tempfile.exe\""	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DGR Start = "C:\\Windows\\SysWOW64\\NLEJDX\\DGR.exe"	DGR.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\NLEJDX\DGR.004	process32.exe
File created	C:\Windows\SysWOW64\NLEJDX\DGR.001	process32.exe
File created	C:\Windows\SysWOW64\NLEJDX\DGR.002	process32.exe
File created	C:\Windows\SysWOW64\NLEJDX\AKV.exe	process32.exe
File created	C:\Windows\SysWOW64\NLEJDX\DGR.exe	process32.exe
File opened for modification	C:\Windows\SysWOW64\NLEJDX\	DGR.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4328 set thread context of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80

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

System Information Discovery
T1082

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe
Token: SeRestorePrivilege	4692	dw20.exe
Token: SeBackupPrivilege	4692	dw20.exe
Token: SeBackupPrivilege	4692	dw20.exe
Token: SeBackupPrivilege	4692	dw20.exe
Token: 33	4904	DGR.exe
Token: SeIncBasePriorityPrivilege	4904	DGR.exe
Token: SeIncBasePriorityPrivilege	4904	DGR.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4904	DGR.exe
4904	DGR.exe
4904	DGR.exe
4904	DGR.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4332	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	80
PID 4328 wrote to memory of 4692	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	81
PID 4328 wrote to memory of 4692	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	81
PID 4328 wrote to memory of 4692	4328	31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe	81
PID 4332 wrote to memory of 4904	4332	process32.exe	82
PID 4332 wrote to memory of 4904	4332	process32.exe	82
PID 4332 wrote to memory of 4904	4332	process32.exe	82
PID 4904 wrote to memory of 3320	4904	DGR.exe	84
PID 4904 wrote to memory of 3320	4904	DGR.exe	84
PID 4904 wrote to memory of 3320	4904	DGR.exe	84

C:\Users\Admin\AppData\Local\Temp\31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31f958f8624db5b61538fd012e6f87d6_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Users\Admin\AppData\Local\Temp\process32.exe
  C:\Users\Admin\AppData\Local\Temp\\process32.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4332
- - C:\Windows\SysWOW64\NLEJDX\DGR.exe
    "C:\Windows\system32\NLEJDX\DGR.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4904
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\NLEJDX\DGR.exe > nul
      4⤵
      PID:3320
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1256
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4692

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