asyncrat | 6345f66509868dae2d0725f00f3a60034012496142d91ea6d7dcbec3d471538b

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	e0295b03a18cadfd2ef555869a013ac5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	svhost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	test.exe

Executes dropped EXE 4 IoCs

pid	Process
3720	svhost.exe
4008	test.exe
2024	Slayer Encryption Tools v 1.1.exe
4820	window.exe

Loads dropped DLL 2 IoCs

pid	Process
4688	e0295b03a18cadfd2ef555869a013ac5.exe
3720	svhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Fupdate = "C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe"	e0295b03a18cadfd2ef555869a013ac5.exe

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

System Information Discovery
T1082

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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

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

pid	Process
4080	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3984	timeout.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe
4008	test.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	e0295b03a18cadfd2ef555869a013ac5.exe
Token: SeDebugPrivilege	3720	svhost.exe
Token: SeBackupPrivilege	1012	dw20.exe
Token: SeBackupPrivilege	1012	dw20.exe
Token: SeDebugPrivilege	4008	test.exe
Token: SeDebugPrivilege	4820	window.exe
Token: SeDebugPrivilege	4820	window.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3720	4688	e0295b03a18cadfd2ef555869a013ac5.exe	90
PID 4688 wrote to memory of 3720	4688	e0295b03a18cadfd2ef555869a013ac5.exe	90
PID 4688 wrote to memory of 3720	4688	e0295b03a18cadfd2ef555869a013ac5.exe	90
PID 4688 wrote to memory of 2016	4688	e0295b03a18cadfd2ef555869a013ac5.exe	91
PID 4688 wrote to memory of 2016	4688	e0295b03a18cadfd2ef555869a013ac5.exe	91
PID 4688 wrote to memory of 2016	4688	e0295b03a18cadfd2ef555869a013ac5.exe	91
PID 3720 wrote to memory of 4008	3720	svhost.exe	93
PID 3720 wrote to memory of 4008	3720	svhost.exe	93
PID 3720 wrote to memory of 4008	3720	svhost.exe	93
PID 3720 wrote to memory of 2024	3720	svhost.exe	94
PID 3720 wrote to memory of 2024	3720	svhost.exe	94
PID 2024 wrote to memory of 1012	2024	Slayer Encryption Tools v 1.1.exe	97
PID 2024 wrote to memory of 1012	2024	Slayer Encryption Tools v 1.1.exe	97
PID 4008 wrote to memory of 1876	4008	test.exe	100
PID 4008 wrote to memory of 1876	4008	test.exe	100
PID 4008 wrote to memory of 1876	4008	test.exe	100
PID 4008 wrote to memory of 4640	4008	test.exe	102
PID 4008 wrote to memory of 4640	4008	test.exe	102
PID 4008 wrote to memory of 4640	4008	test.exe	102
PID 1876 wrote to memory of 4080	1876	cmd.exe	104
PID 1876 wrote to memory of 4080	1876	cmd.exe	104
PID 1876 wrote to memory of 4080	1876	cmd.exe	104
PID 4640 wrote to memory of 3984	4640	cmd.exe	105
PID 4640 wrote to memory of 3984	4640	cmd.exe	105
PID 4640 wrote to memory of 3984	4640	cmd.exe	105
PID 4640 wrote to memory of 4820	4640	cmd.exe	107
PID 4640 wrote to memory of 4820	4640	cmd.exe	107
PID 4640 wrote to memory of 4820	4640	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\e0295b03a18cadfd2ef555869a013ac5.exe
"C:\Users\Admin\AppData\Local\Temp\e0295b03a18cadfd2ef555869a013ac5.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Roaming\svhost.exe
  "C:\Users\Admin\AppData\Roaming\svhost.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3720
- - C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4008
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "window" /tr '"C:\Users\Admin\AppData\Roaming\window.exe"' & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1876
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "window" /tr '"C:\Users\Admin\AppData\Roaming\window.exe"'
        5⤵
        Creates scheduled task(s)
        
        PID:4080
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp55F0.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4640
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        5⤵
        Delays execution with timeout.exe
        
        PID:3984
    - - C:\Users\Admin\AppData\Roaming\window.exe
        
        "C:\Users\Admin\AppData\Roaming\window.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:4820
- - C:\Users\Admin\AppData\Local\Temp\Slayer Encryption Tools v 1.1.exe
    "C:\Users\Admin\AppData\Local\Temp\Slayer Encryption Tools v 1.1.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2024
  - - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
      dw20.exe -x -s 1052
      4⤵
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      PID:1012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\SODXN.bat
  2⤵
  PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

System Information Discovery