44caliber | eb346407fcdb18f374cd2c9e309f8d8e986e8679d370c1f530723d0a0c8c3579

General

Target

installer.exe
Size

7.8MB
MD5

f3d4a56f1ec903519f4c37129423bd73
SHA1

72f0835888eea6e63e142d208b3997a708d7331b
SHA256

eb346407fcdb18f374cd2c9e309f8d8e986e8679d370c1f530723d0a0c8c3579
SHA512

1847df8f65d254a270722bf968b5e14230c3b9cb13b8bd0886aadb7c1da11d8ad43f56483be634b5010919843bbf4997cf5ada31a6a3e81671e173b0994630ac
SSDEEP

98304:5N8TuGLcT86GaEk4xK+NAwmRtaud0bJzREdt5D5MInOdl7QN:A4crE5Gud0lkoxc

Score

10^/10

44caliber dcrat xworm execution infostealer persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

C2

lesbian-organ.gl.at.ply.gg:38343

Attributes

Install_directory
%LocalAppData%
install_file
javaw.exe Java(TM) Platform SE binary.exe
telegram
https://api.telegram.org/bot7026469441:AAEt3_GfOceSfMaQnCWR3hwEjHcRpqL852Q/sendMessage?chat_id=1434801883

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1239246319751528579/IYIQqMQxDmDpiYnpeLyqY8m4ky9T5uSTQX5CVjPoiRejTrVzBHNdk_JlDhnNu15EaRmp

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber

DcRat 11 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

Processes:

Realtek HD Audio Universal Service.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeinstaller.exeschtasks.exeschtasks.exeschtasks.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\27d1bcfc3c54e0	Realtek HD Audio Universal Service.exe
816	schtasks.exe
1620	schtasks.exe
2708	schtasks.exe
1028	schtasks.exe
2016	schtasks.exe
2276	schtasks.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\14.0\Common	installer.exe
2192	schtasks.exe
1256	schtasks.exe
1472	schtasks.exe

Detect Xworm Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\javaw.exe Java(TM) Platform SE binary.exe	family_xworm
behavioral1/memory/2528-30-0x0000000000800000-0x0000000000816000-memory.dmp	family_xworm

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

Realtek HD Audio Universal Service.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft Synchronization Services\\ADO.NET\\v1.0\\System.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft Synchronization Services\\ADO.NET\\v1.0\\System.exe\", \"C:\\Windows\\DigitalLocker\\en-US\\Updata.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft Synchronization Services\\ADO.NET\\v1.0\\System.exe\", \"C:\\Windows\\DigitalLocker\\en-US\\Updata.exe\", \"C:\\bridgeHyperCrt\\taskhost.exe\""	Realtek HD Audio Universal Service.exe

Process spawned unexpected child process 9 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	816	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1256	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1620	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1472	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2708	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2276	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1028	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2016	2280	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2192	2280	schtasks.exe

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

DCRat payload 11 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe	dcrat
behavioral1/memory/2172-20-0x0000000000400000-0x0000000000BC8000-memory.dmp	dcrat
\bridgeHyperCrt\Realtek HD Audio Universal Service.exe	dcrat
behavioral1/memory/2948-54-0x0000000000350000-0x0000000000594000-memory.dmp	dcrat
behavioral1/memory/2144-67-0x0000000000070000-0x00000000002B4000-memory.dmp	dcrat
behavioral1/memory/1540-94-0x0000000000830000-0x0000000000A74000-memory.dmp	dcrat
behavioral1/memory/3060-97-0x0000000000DE0000-0x0000000001024000-memory.dmp	dcrat
behavioral1/memory/1636-100-0x0000000000CA0000-0x0000000000EE4000-memory.dmp	dcrat
behavioral1/memory/2904-103-0x0000000000E20000-0x0000000001064000-memory.dmp	dcrat
behavioral1/memory/884-108-0x00000000003C0000-0x0000000000604000-memory.dmp	dcrat
behavioral1/memory/2604-111-0x00000000011E0000-0x0000000001424000-memory.dmp	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid process

1404 powershell.exe
2268 powershell.exe
2360 powershell.exe
1688 powershell.exe

pid	process
1404	powershell.exe
2268	powershell.exe
2360	powershell.exe
1688	powershell.exe

Executes dropped EXE 17 IoCs

Processes:

Realtek HD Audio Universal Service.exejavaw.exe Java(TM) Platform SE binary.exeUpdata.exeRealtek HD Audio Universal Service.exetaskhost.exeSystem.exetaskhost.exeSystem.exeUpdata.exetaskhost.exeSystem.exeSystem.exetaskhost.exeUpdata.exeSystem.exetaskhost.exeSystem.exe

pid	process
2780	Realtek HD Audio Universal Service.exe
2528	javaw.exe Java(TM) Platform SE binary.exe
2684	Updata.exe
2948	Realtek HD Audio Universal Service.exe
2144	taskhost.exe
1540	System.exe
1216	taskhost.exe
3060	System.exe
1636	Updata.exe
2032	taskhost.exe
2904	System.exe
1552	System.exe
1252	taskhost.exe
1980	Updata.exe
884	System.exe
2876	taskhost.exe
2604	System.exe

Loads dropped DLL 7 IoCs

Processes:

installer.exeRealtek HD Audio Universal Service.execmd.exe

pid	process
2172	installer.exe
2780	Realtek HD Audio Universal Service.exe
2780	Realtek HD Audio Universal Service.exe
2172	installer.exe
2172	installer.exe
2892	cmd.exe
2892	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Realtek HD Audio Universal Service.exejavaw.exe Java(TM) Platform SE binary.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Synchronization Services\\ADO.NET\\v1.0\\System.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Synchronization Services\\ADO.NET\\v1.0\\System.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updata = "\"C:\\Windows\\DigitalLocker\\en-US\\Updata.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Updata = "\"C:\\Windows\\DigitalLocker\\en-US\\Updata.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\bridgeHyperCrt\\taskhost.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\bridgeHyperCrt\\taskhost.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\javaw.exe Java(TM) Platform SE binary = "C:\\Users\\Admin\\AppData\\Local\\javaw.exe Java(TM) Platform SE binary.exe"	javaw.exe Java(TM) Platform SE binary.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 ip-api.com

flow	ioc
5	ip-api.com

Drops file in Program Files directory 3 IoCs

Processes:

Realtek HD Audio Universal Service.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe	Realtek HD Audio Universal Service.exe
File opened for modification	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe	Realtek HD Audio Universal Service.exe
File created	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\27d1bcfc3c54e0	Realtek HD Audio Universal Service.exe

Drops file in Windows directory 2 IoCs

Processes:

Realtek HD Audio Universal Service.exe

description	ioc	process
File created	C:\Windows\DigitalLocker\en-US\Updata.exe	Realtek HD Audio Universal Service.exe
File created	C:\Windows\DigitalLocker\en-US\6907c5543411d8	Realtek HD Audio Universal Service.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 9 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
1620	schtasks.exe
2708	schtasks.exe
2276	schtasks.exe
1028	schtasks.exe
2016	schtasks.exe
816	schtasks.exe
1472	schtasks.exe
2192	schtasks.exe
1256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

Updata.exeRealtek HD Audio Universal Service.exetaskhost.exepowershell.exepowershell.exepowershell.exepowershell.exejavaw.exe Java(TM) Platform SE binary.exe

pid	process
2684	Updata.exe
2684	Updata.exe
2684	Updata.exe
2948	Realtek HD Audio Universal Service.exe
2144	taskhost.exe
1404	powershell.exe
2268	powershell.exe
2360	powershell.exe
1688	powershell.exe
2528	javaw.exe Java(TM) Platform SE binary.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe
2144	taskhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

taskhost.exe

pid process

2144 taskhost.exe

pid	process
2144	taskhost.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

javaw.exe Java(TM) Platform SE binary.exeUpdata.exeRealtek HD Audio Universal Service.exetaskhost.exepowershell.exepowershell.exepowershell.exepowershell.exeSystem.exetaskhost.exeSystem.exeUpdata.exetaskhost.exeSystem.exeSystem.exetaskhost.exeUpdata.exeSystem.exetaskhost.exeSystem.exe

description	pid	process
Token: SeDebugPrivilege	2528	javaw.exe Java(TM) Platform SE binary.exe
Token: SeDebugPrivilege	2684	Updata.exe
Token: SeDebugPrivilege	2948	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2144	taskhost.exe
Token: SeDebugPrivilege	1404	powershell.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	2360	powershell.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	2528	javaw.exe Java(TM) Platform SE binary.exe
Token: SeDebugPrivilege	1540	System.exe
Token: SeDebugPrivilege	1216	taskhost.exe
Token: SeDebugPrivilege	3060	System.exe
Token: SeDebugPrivilege	1636	Updata.exe
Token: SeDebugPrivilege	2032	taskhost.exe
Token: SeDebugPrivilege	2904	System.exe
Token: SeDebugPrivilege	1552	System.exe
Token: SeDebugPrivilege	1252	taskhost.exe
Token: SeDebugPrivilege	1980	Updata.exe
Token: SeDebugPrivilege	884	System.exe
Token: SeDebugPrivilege	2876	taskhost.exe
Token: SeDebugPrivilege	2604	System.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

javaw.exe Java(TM) Platform SE binary.exe

pid process

2528 javaw.exe Java(TM) Platform SE binary.exe

pid	process
2528	javaw.exe Java(TM) Platform SE binary.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

installer.exeRealtek HD Audio Universal Service.exeUpdata.exeWScript.execmd.exeRealtek HD Audio Universal Service.exejavaw.exe Java(TM) Platform SE binary.exetaskeng.exe

description	pid	process	target process
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2780	2172	installer.exe	Realtek HD Audio Universal Service.exe
PID 2172 wrote to memory of 2528	2172	installer.exe	javaw.exe Java(TM) Platform SE binary.exe
PID 2172 wrote to memory of 2528	2172	installer.exe	javaw.exe Java(TM) Platform SE binary.exe
PID 2172 wrote to memory of 2528	2172	installer.exe	javaw.exe Java(TM) Platform SE binary.exe
PID 2172 wrote to memory of 2528	2172	installer.exe	javaw.exe Java(TM) Platform SE binary.exe
PID 2172 wrote to memory of 2684	2172	installer.exe	Updata.exe
PID 2172 wrote to memory of 2684	2172	installer.exe	Updata.exe
PID 2172 wrote to memory of 2684	2172	installer.exe	Updata.exe
PID 2172 wrote to memory of 2684	2172	installer.exe	Updata.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2780 wrote to memory of 2204	2780	Realtek HD Audio Universal Service.exe	WScript.exe
PID 2684 wrote to memory of 1372	2684	Updata.exe	WerFault.exe
PID 2684 wrote to memory of 1372	2684	Updata.exe	WerFault.exe
PID 2684 wrote to memory of 1372	2684	Updata.exe	WerFault.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2204 wrote to memory of 2892	2204	WScript.exe	cmd.exe
PID 2892 wrote to memory of 2948	2892	cmd.exe	Realtek HD Audio Universal Service.exe
PID 2892 wrote to memory of 2948	2892	cmd.exe	Realtek HD Audio Universal Service.exe
PID 2892 wrote to memory of 2948	2892	cmd.exe	Realtek HD Audio Universal Service.exe
PID 2892 wrote to memory of 2948	2892	cmd.exe	Realtek HD Audio Universal Service.exe
PID 2948 wrote to memory of 2144	2948	Realtek HD Audio Universal Service.exe	taskhost.exe
PID 2948 wrote to memory of 2144	2948	Realtek HD Audio Universal Service.exe	taskhost.exe
PID 2948 wrote to memory of 2144	2948	Realtek HD Audio Universal Service.exe	taskhost.exe
PID 2528 wrote to memory of 1404	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 1404	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 1404	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2268	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2268	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2268	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2360	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2360	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 2360	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 1688	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 1688	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 2528 wrote to memory of 1688	2528	javaw.exe Java(TM) Platform SE binary.exe	powershell.exe
PID 1976 wrote to memory of 1540	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 1540	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 1540	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 1216	1976	taskeng.exe	taskhost.exe
PID 1976 wrote to memory of 1216	1976	taskeng.exe	taskhost.exe
PID 1976 wrote to memory of 1216	1976	taskeng.exe	taskhost.exe
PID 1976 wrote to memory of 3060	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 3060	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 3060	1976	taskeng.exe	System.exe
PID 1976 wrote to memory of 1636	1976	taskeng.exe	Updata.exe
PID 1976 wrote to memory of 1636	1976	taskeng.exe	Updata.exe
PID 1976 wrote to memory of 1636	1976	taskeng.exe	Updata.exe
PID 1976 wrote to memory of 2032	1976	taskeng.exe	taskhost.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\installer.exe
"C:\Users\Admin\AppData\Local\Temp\installer.exe"
1⤵
- DcRat
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172

C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
"C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\bridgeHyperCrt\FOAEdrh1BxsF.vbe"
3⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\bridgeHyperCrt\OI0pwrYEs8WKMbQhaocS5DTAkNJim.bat" "
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2892

C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe
"C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe"
5⤵
- DcRat
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948

C:\bridgeHyperCrt\taskhost.exe
"C:\bridgeHyperCrt\taskhost.exe"
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2144

C:\Users\Admin\AppData\Local\Temp\javaw.exe Java(TM) Platform SE binary.exe
"C:\Users\Admin\AppData\Local\Temp\javaw.exe Java(TM) Platform SE binary.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\javaw.exe Java(TM) Platform SE binary.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1404

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'javaw.exe Java(TM) Platform SE binary.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2268

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\javaw.exe Java(TM) Platform SE binary.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'javaw.exe Java(TM) Platform SE binary.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688

C:\Users\Admin\AppData\Local\Temp\Updata.exe
"C:\Users\Admin\AppData\Local\Temp\Updata.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2684 -s 1176
3⤵
PID:1372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1256

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "UpdataU" /sc MINUTE /mo 11 /tr "'C:\Windows\DigitalLocker\en-US\Updata.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1472

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Updata" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\Updata.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2708

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "UpdataU" /sc MINUTE /mo 12 /tr "'C:\Windows\DigitalLocker\en-US\Updata.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2276

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\bridgeHyperCrt\taskhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\bridgeHyperCrt\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\bridgeHyperCrt\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2192

C:\Windows\system32\taskeng.exe
taskeng.exe {90E3D7AD-96E4-4925-B655-0F83A045D2B8} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1976

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1540

C:\bridgeHyperCrt\taskhost.exe
C:\bridgeHyperCrt\taskhost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1216

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3060

C:\Windows\DigitalLocker\en-US\Updata.exe
C:\Windows\DigitalLocker\en-US\Updata.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1636

C:\bridgeHyperCrt\taskhost.exe
C:\bridgeHyperCrt\taskhost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2904

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\bridgeHyperCrt\taskhost.exe
C:\bridgeHyperCrt\taskhost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1252

C:\Windows\DigitalLocker\en-US\Updata.exe
C:\Windows\DigitalLocker\en-US\Updata.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:884

C:\bridgeHyperCrt\taskhost.exe
C:\bridgeHyperCrt\taskhost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2876

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe
"C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\System.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2604

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

Scheduled Task/Job

Defense Evasion

Modify Registry

2

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Updata.exe
Filesize
303KB

MD5
fa8baa8b5f5e19777e1b20104defff51

SHA1
a17922c107c303693489530dbfa3bb20afc24e59

SHA256
42538f0378843cc317f37ff9731b8c917f6763d811c0fde29bac25b759402f47

SHA512
4e2478795dacfe440860f03c8b0e318f238b2d2e09e278c995b49a90415ff275c87645f3d22cbff6102e5db683d4d98f0ef13abb6002eb19c647f86ec8d69d62

Download Submit
C:\Users\Admin\AppData\Local\Temp\javaw.exe Java(TM) Platform SE binary.exe
Filesize
66KB

MD5
52409e4dbf9ed75c7fd6fbb4e7b1593c

SHA1
b2124798396292059c64fcb5e3d40a742ea66f0b

SHA256
8c63a9bbb49745a61fbf450e78485966222810403844af067f43046092b02112

SHA512
b72e769ced2813f5c93731e9c96bdafeb7359c9aa2b23fe9cb8bea675e1c2fcb2a7208b21bf0fc73d8255ee73bb732aea58ff7ff3a14c7727425947fa3f5c1a7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
b5f0202405199d8d1fbdeeb58c7f7918

SHA1
3437e94fdcb480f027f57276fc4f60e90c9e1cdd

SHA256
bd05a9fc3749b2ffadb2b4abff781a9208e0b84adc1b1bb55dfca96fe8a66d5a

SHA512
28ad12d9c7d7a176c7ec9577adb5f067f26aafa3d2f8b938af913d835edc8f7e58663a671842814b92cb21bea8b79d4bec87ea77a0b6b163420dd5540484704a

Download Submit
C:\bridgeHyperCrt\FOAEdrh1BxsF.vbe
Filesize
231B

MD5
91dfc7252bcd06d82af9f64190b08c7e

SHA1
4eea175d57c3631c0dab65cff1c325d59b5d34a8

SHA256
fdee20a4260f6ba25d38608473eb51910fd1780e104edc51b7feea672f23858b

SHA512
b56eea94d6f4660f1022464c82d0595c8ddf18fdd5977c6bc9dd7baae2c8090d188b418c1b6d2556e3b630823d526b27640d06fe8a5f6fffc776caa4907b2d30

Download Submit
C:\bridgeHyperCrt\OI0pwrYEs8WKMbQhaocS5DTAkNJim.bat
Filesize
69B

MD5
ae3ca8c85d0b24e4a5d8665f7cb83466

SHA1
cea7807241d92dca00ed5d9283e21142ffbbb14c

SHA256
afddd637f38e2c904b3c6c717d6277fe9f9566e29f2940e371289ab259f4e869

SHA512
e3379655f409bd348fbcf61be7cba93627b0a3fb30cadc47f036e3fe03a69d2e9631d7339984ae426cbd5145db1c22a9aec5c98f5806ef0caf1bf69a412c1c99

Download Submit
\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
Filesize
2.5MB

MD5
3389fc2b0cbe478b8ff249b7fedc75ed

SHA1
949a474ba3ad5913504b999516e0e7aac6d1854c

SHA256
7e4efd43ace17028eacb97352fe2ea46d44b96aca3068130b0cdec4dbba081b1

SHA512
707f7bcf0d86212654d1f69f2dd8e753dc8a67a1bc9d5a5132e60c852ba6d4b30063656e0e6f87104ec7825404add94e8bfff5ec1757df7add4c1b604cd30313

Download Submit
\bridgeHyperCrt\Realtek HD Audio Universal Service.exe
Filesize
2.2MB

MD5
8b8ad5d190af5992165ab74f2c4d2539

SHA1
4c7dcd839b39b6da31c575e6c0078b948c486ca0

SHA256
fa7c73b719b35f3ed6e23c1c1f216f9c344a3a95a46d9779ddb90cacbde81624

SHA512
eb957611286cc642dac606a2cd65ae49a67c15832f5383983dc65075d48ab7c4c74873a30cbf9ff024b29d0282b2e1e6e731365a78f23c912fbd5a799568aa0c

Download Submit
memory/884-108-0x00000000003C0000-0x0000000000604000-memory.dmp

Filesize
2.3MB

Download
memory/1404-73-0x00000000029E0000-0x00000000029E8000-memory.dmp

Filesize
32KB

Download
memory/1404-72-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/1540-94-0x0000000000830000-0x0000000000A74000-memory.dmp

Filesize
2.3MB

Download
memory/1636-100-0x0000000000CA0000-0x0000000000EE4000-memory.dmp

Filesize
2.3MB

Download
memory/2144-67-0x0000000000070000-0x00000000002B4000-memory.dmp

Filesize
2.3MB

Download
memory/2172-20-0x0000000000400000-0x0000000000BC8000-memory.dmp

Filesize
7.8MB

Download
memory/2268-79-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/2268-80-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2528-30-0x0000000000800000-0x0000000000816000-memory.dmp

Filesize
88KB

Download
memory/2604-111-0x00000000011E0000-0x0000000001424000-memory.dmp

Filesize
2.3MB

Download
memory/2684-31-0x0000000000330000-0x0000000000382000-memory.dmp

Filesize
328KB

Download
memory/2904-103-0x0000000000E20000-0x0000000001064000-memory.dmp

Filesize
2.3MB

Download
memory/2948-54-0x0000000000350000-0x0000000000594000-memory.dmp

Filesize
2.3MB

Download
memory/3060-97-0x0000000000DE0000-0x0000000001024000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads