60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1830\\zaberg.exe"	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\zaber0 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1830\\zaberg.exe"	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-1830\Desktop.ini	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1830\\zaberg.exe"	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30

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	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2376	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2336 wrote to memory of 2376	2336	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	30
PID 2376 wrote to memory of 1128	2376	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	20
PID 2376 wrote to memory of 1128	2376	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	20
PID 2376 wrote to memory of 1128	2376	60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe
  "C:\Users\Admin\AppData\Local\Temp\60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Users\Admin\AppData\Local\Temp\60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe
    C:\Users\Admin\AppData\Local\Temp\60fd2a7221bdb61fd1722ccd517f942a1df2ffa7800863f5aced66a51d91a6e3.exe
    3⤵
    - Modifies WinLogon for persistence
    - Adds Run key to start application
    - Drops desktop.ini file(s)
    - Modifies WinLogon
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

2

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

2

Defense Evasion

Modify Registry

3

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery