gozi | 70d0c4cb985c9c3cd367b30148dda7a68e9f994ea1baf21588272c2f3be99a29

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	regsvr32.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 1 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	regsvr32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
508	PING.EXE
4120	PING.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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	cmd.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
508	PING.EXE
4120	PING.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3096	WINWORD.EXE
3096	WINWORD.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3096	WINWORD.EXE
3096	WINWORD.EXE
3096	WINWORD.EXE
3096	WINWORD.EXE
3096	WINWORD.EXE
3096	WINWORD.EXE
3096	WINWORD.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 3532	3096	WINWORD.EXE	85
PID 3096 wrote to memory of 3532	3096	WINWORD.EXE	85
PID 3532 wrote to memory of 2232	3532	cmd.exe	93
PID 3532 wrote to memory of 2232	3532	cmd.exe	93
PID 3532 wrote to memory of 508	3532	cmd.exe	94
PID 3532 wrote to memory of 508	3532	cmd.exe	94
PID 3532 wrote to memory of 4120	3532	cmd.exe	95
PID 3532 wrote to memory of 4120	3532	cmd.exe	95
PID 3532 wrote to memory of 4596	3532	cmd.exe	96
PID 3532 wrote to memory of 4596	3532	cmd.exe	96
PID 4596 wrote to memory of 1684	4596	regsvr32.exe	97
PID 4596 wrote to memory of 1684	4596	regsvr32.exe	97
PID 4596 wrote to memory of 1684	4596	regsvr32.exe	97

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\infectedmars2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c c:\programdata\Milne.CMD
  2⤵
  - Process spawned unexpected child process
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3532
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\brainw\Audiobook.vbs"
    3⤵
    PID:2232
- - C:\Windows\system32\PING.EXE
    ping w 5000 ya.fr
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:508
- - C:\Windows\system32\PING.EXE
    ping w 5000 htr-oi.io
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4120
- - C:\Windows\system32\regsvr32.exe
    regsvr32 -s c:\brainw\name1.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4596
  - - C:\Windows\SysWOW64\regsvr32.exe
      -s c:\brainw\name1.dll
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

Remote System Discovery

T1018

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery