agenttesla | 8c767e4e043a37188a1a52944f2f43fbe949c9dc8466a05de481325b513da2b0

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	scanner.dll.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	scanner.dll.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	svchost.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys"	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	scanner.dll.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	scanner.dll.exe

Executes dropped EXE 1 IoCs

pid	Process
1252	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1868	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	scanner.dll.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

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

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

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	scanner.dll.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	scanner.dll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 1092	1252	svchost.exe	39

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1820	1092	WerFault.exe	39

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

pid	Process
1516	schtasks.exe

Delays execution with timeout.exe 1 IoCs

pid	Process
1852	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1696	scanner.dll.exe
1704	powershell.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1252	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	scanner.dll.exe
Token: SeDebugPrivilege	1252	svchost.exe
Token: SeDebugPrivilege	1252	svchost.exe
Token: SeLoadDriverPrivilege	1252	svchost.exe
Token: SeDebugPrivilege	1704	powershell.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1724	1696	scanner.dll.exe	29
PID 1696 wrote to memory of 1724	1696	scanner.dll.exe	29
PID 1696 wrote to memory of 1724	1696	scanner.dll.exe	29
PID 1696 wrote to memory of 1868	1696	scanner.dll.exe	31
PID 1696 wrote to memory of 1868	1696	scanner.dll.exe	31
PID 1696 wrote to memory of 1868	1696	scanner.dll.exe	31
PID 1724 wrote to memory of 1516	1724	cmd.exe	33
PID 1724 wrote to memory of 1516	1724	cmd.exe	33
PID 1724 wrote to memory of 1516	1724	cmd.exe	33
PID 1868 wrote to memory of 1852	1868	cmd.exe	34
PID 1868 wrote to memory of 1852	1868	cmd.exe	34
PID 1868 wrote to memory of 1852	1868	cmd.exe	34
PID 1868 wrote to memory of 1252	1868	cmd.exe	35
PID 1868 wrote to memory of 1252	1868	cmd.exe	35
PID 1868 wrote to memory of 1252	1868	cmd.exe	35
PID 1252 wrote to memory of 1704	1252	svchost.exe	37
PID 1252 wrote to memory of 1704	1252	svchost.exe	37
PID 1252 wrote to memory of 1704	1252	svchost.exe	37
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1252 wrote to memory of 1092	1252	svchost.exe	39
PID 1092 wrote to memory of 1820	1092	SetupUtility.exe	40
PID 1092 wrote to memory of 1820	1092	SetupUtility.exe	40
PID 1092 wrote to memory of 1820	1092	SetupUtility.exe	40
PID 1092 wrote to memory of 1820	1092	SetupUtility.exe	40

System policy modification 1 TTPs 1 IoCs

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\scanner.dll.exe
"C:\Users\Admin\AppData\Local\Temp\scanner.dll.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696
- 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:1724
- - 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:1516
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E9E.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1852
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Looks for VirtualBox Guest Additions in registry
    - Looks for VMWare Tools registry key
    - Sets service image path in registry
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - Suspicious behavior: LoadsDriver
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:1252
  - - 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:1704
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\SetupUtility.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SetupCache\v4.7.03062\SetupUtility.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1092
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 168
        5⤵
        Program crash
        
        PID:1820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Bypass User Account Control

T1088

Scheduled Task

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion