asyncrat | 48cd145349ebdb8a3728c8c55b9e5a59df2ee7676a847afa340d7f88ae24cfd1

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

degrado-lavacrypt-dfgs.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	degrado-lavacrypt-dfgs.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

degrado-lavacrypt-dfgs.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	degrado-lavacrypt-dfgs.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	svchost.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

degrado-lavacrypt-dfgs.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	degrado-lavacrypt-dfgs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	degrado-lavacrypt-dfgs.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

svchost.exedegrado-lavacrypt-dfgs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	degrado-lavacrypt-dfgs.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

4652 svchost.exe

pid	process
4652	svchost.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

degrado-lavacrypt-dfgs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	degrado-lavacrypt-dfgs.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

43 pastebin.com
44 pastebin.com

flow	ioc
43	pastebin.com
44	pastebin.com

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

svchost.exedegrado-lavacrypt-dfgs.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	degrado-lavacrypt-dfgs.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	degrado-lavacrypt-dfgs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 4652 set thread context of 976 4652 svchost.exe regasm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

4992 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4868 timeout.exe

description	pid	process	target process
PID 4652 set thread context of 976	4652	svchost.exe	regasm.exe

pid	process
4992	schtasks.exe

pid	process
4868	timeout.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

degrado-lavacrypt-dfgs.exepowershell.exe

pid	process
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
5012	degrado-lavacrypt-dfgs.exe
3548	powershell.exe
3548	powershell.exe
3548	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

degrado-lavacrypt-dfgs.exesvchost.exepowershell.exeregasm.exe

description	pid	process
Token: SeDebugPrivilege	5012	degrado-lavacrypt-dfgs.exe
Token: SeDebugPrivilege	4652	svchost.exe
Token: SeDebugPrivilege	3548	powershell.exe
Token: SeDebugPrivilege	976	regasm.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

degrado-lavacrypt-dfgs.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 5012 wrote to memory of 1940	5012	degrado-lavacrypt-dfgs.exe	cmd.exe
PID 5012 wrote to memory of 1940	5012	degrado-lavacrypt-dfgs.exe	cmd.exe
PID 5012 wrote to memory of 1628	5012	degrado-lavacrypt-dfgs.exe	cmd.exe
PID 5012 wrote to memory of 1628	5012	degrado-lavacrypt-dfgs.exe	cmd.exe
PID 1940 wrote to memory of 4992	1940	cmd.exe	schtasks.exe
PID 1940 wrote to memory of 4992	1940	cmd.exe	schtasks.exe
PID 1628 wrote to memory of 4868	1628	cmd.exe	timeout.exe
PID 1628 wrote to memory of 4868	1628	cmd.exe	timeout.exe
PID 1628 wrote to memory of 4652	1628	cmd.exe	svchost.exe
PID 1628 wrote to memory of 4652	1628	cmd.exe	svchost.exe
PID 4652 wrote to memory of 3548	4652	svchost.exe	powershell.exe
PID 4652 wrote to memory of 3548	4652	svchost.exe	powershell.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe
PID 4652 wrote to memory of 976	4652	svchost.exe	regasm.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

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

C:\Users\Admin\AppData\Local\Temp\degrado-lavacrypt-dfgs.exe
"C:\Users\Admin\AppData\Local\Temp\degrado-lavacrypt-dfgs.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:4992
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6B1E.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4868
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Looks for VirtualBox Guest Additions in registry
    - Looks for VMWare Tools registry key
    - Checks BIOS information in registry
    - Checks computer location settings
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:4652
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3548
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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

Scheduled Task/Job

T1053

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion