46dc49be65d7165e2a6009854a4f27f0088230199e61e0555cb1bd266535874a

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,,C:\\Program Files (x86)\\Windows Defender\\zoVAJYVw.exe"	0becfedf4d0b9ad5251aca33274a4cf4.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ZTSiHhkA.exe

Modifies security service 2 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mpssvc\Start = "4"	ZTSiHhkA.exe

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ZTSiHhkA.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ZTSiHhkA.exe

Disables Task Manager via registry modification
evasion

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral18/files/0x0007000000023c71-12.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	0becfedf4d0b9ad5251aca33274a4cf4.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dlflylwr.exe	0becfedf4d0b9ad5251aca33274a4cf4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dlflylwr.exe	0becfedf4d0b9ad5251aca33274a4cf4.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dlflylwr.exe	ZTSiHhkA.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Dlflylwr.exe	ZTSiHhkA.exe

Executes dropped EXE 2 IoCs

pid	Process
436	ZTSiHhkA.exe
2660	ZTSiHhkA.exe

Windows security modification 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	ZTSiHhkA.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	ZTSiHhkA.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LscrgQUw = "C:\\Users\\Admin\\AppData\\Local\\PeerDistRepub\\SImiqArJ.exe"	ZTSiHhkA.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LscrgQUw = "C:\\Users\\Admin\\AppData\\Local\\PeerDistRepub\\SImiqArJ.exe"	0becfedf4d0b9ad5251aca33274a4cf4.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ZTSiHhkA.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4024 set thread context of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 436 set thread context of 2660	436	ZTSiHhkA.exe	85

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral18/memory/4768-2-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/4768-4-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/4768-6-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/4768-7-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/2660-31-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/4768-34-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/2660-36-0x0000000000400000-0x0000000000416000-memory.dmp	upx
behavioral18/memory/2660-41-0x0000000000400000-0x0000000000416000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\zoVAJYVw.exe	0becfedf4d0b9ad5251aca33274a4cf4.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\zoVAJYVw.exe	0becfedf4d0b9ad5251aca33274a4cf4.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 4 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	ZTSiHhkA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZTSiHhkA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0becfedf4d0b9ad5251aca33274a4cf4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0becfedf4d0b9ad5251aca33274a4cf4.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe
2660	ZTSiHhkA.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe
Token: SeDebugPrivilege	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe
Token: SeTcbPrivilege	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe
Token: SeSecurityPrivilege	2660	ZTSiHhkA.exe
Token: SeDebugPrivilege	2660	ZTSiHhkA.exe
Token: SeTcbPrivilege	2660	ZTSiHhkA.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 4024 wrote to memory of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 4024 wrote to memory of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 4024 wrote to memory of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 4024 wrote to memory of 4768	4024	0becfedf4d0b9ad5251aca33274a4cf4.exe	82
PID 4768 wrote to memory of 436	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe	83
PID 4768 wrote to memory of 436	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe	83
PID 4768 wrote to memory of 436	4768	0becfedf4d0b9ad5251aca33274a4cf4.exe	83
PID 436 wrote to memory of 2660	436	ZTSiHhkA.exe	85
PID 436 wrote to memory of 2660	436	ZTSiHhkA.exe	85
PID 436 wrote to memory of 2660	436	ZTSiHhkA.exe	85
PID 436 wrote to memory of 2660	436	ZTSiHhkA.exe	85
PID 436 wrote to memory of 2660	436	ZTSiHhkA.exe	85

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ZTSiHhkA.exe

C:\Users\Admin\AppData\Local\Temp\foo\0becfedf4d0b9ad5251aca33274a4cf4.exe
"C:\Users\Admin\AppData\Local\Temp\foo\0becfedf4d0b9ad5251aca33274a4cf4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Users\Admin\AppData\Local\Temp\foo\0becfedf4d0b9ad5251aca33274a4cf4.exe
  "C:\Users\Admin\AppData\Local\Temp\foo\0becfedf4d0b9ad5251aca33274a4cf4.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Users\Admin\AppData\Local\Temp\ZTSiHhkA.exe
    "C:\Users\Admin\AppData\Local\Temp\ZTSiHhkA.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:436
  - - C:\Users\Admin\AppData\Local\Temp\ZTSiHhkA.exe
      "C:\Users\Admin\AppData\Local\Temp\ZTSiHhkA.exe"
      4⤵
      Modifies firewall policy service
      Modifies security service
      UAC bypass
      Windows security bypass
      Drops startup file
      Executes dropped EXE
      Windows security modification
      Adds Run key to start application
      Checks whether UAC is enabled
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      System policy modification
      PID:2660

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry