44caliber | eaf369efb906f72afea8f894b6867ef70bc87acafcc04f28c6fedb2bf512c0ba

Analysis

max time kernel
119s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-05-2024 20:20

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General

Target

installer.exe
Size

12.6MB
MD5

1d7779cf1eb8b628fb7b51632ff0b1ef
SHA1

8517b912bf43920019974502e845c46008153c81
SHA256

eaf369efb906f72afea8f894b6867ef70bc87acafcc04f28c6fedb2bf512c0ba
SHA512

d27224331c80334a35d4b6089db009a03edb7d80cca12c2483517617d4cbea618fc10a6599ca869de6a2a52022d71f9c07ea8fa328fb341f01506133bb71c42b
SSDEEP

98304:qN8TuGLcT86GaEk4xK+NAwmRtaudDN8TuGLcT86GaEk4xK+NAwmRtaud0bJzREdj:V4crE5Gud24crE5Gud0lkoxw

Score

10^/10

44caliber dcrat xworm execution infostealer persistence rat spyware stealer trojan

Malware Config

Extracted

Family

44caliber

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

Extracted

Family

xworm

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

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000015065-19.dat	family_xworm
behavioral1/memory/2676-42-0x00000000001A0000-0x00000000001B6000-memory.dmp	family_xworm

Modifies WinLogon for persistence 2 TTPs 6 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\", \"C:\\Program Files\\Microsoft Games\\conhost.exe\", \"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\", \"C:\\Program Files\\Windows Mail\\de-DE\\dwm.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\", \"C:\\Program Files\\Microsoft Games\\conhost.exe\", \"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\", \"C:\\Program Files\\Windows Mail\\de-DE\\dwm.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\", \"C:\\Program Files\\Microsoft Games\\conhost.exe\", \"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\", \"C:\\Program Files\\Windows Mail\\de-DE\\dwm.exe\", \"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\", \"C:\\Windows\\Temp\\schtasks.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\", \"C:\\Program Files\\Microsoft Games\\conhost.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\", \"C:\\Program Files\\Microsoft Games\\conhost.exe\", \"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\""	Realtek HD Audio Universal Service.exe

Process spawned unexpected child process 18 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	340	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	756	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1676	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1856	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1616	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1608	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2556	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2500	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2264	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	772	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1424	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1580	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1620	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	784	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1064	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3012	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1184	1712	schtasks.exe	37
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1160	1712	schtasks.exe	37

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

DCRat payload 7 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x000d00000001228a-2.dat	dcrat
behavioral1/files/0x003600000001489f-13.dat	dcrat
behavioral1/memory/2068-6-0x0000000000400000-0x00000000010AD000-memory.dmp	dcrat
behavioral1/memory/1656-29-0x0000000000400000-0x0000000000BC8000-memory.dmp	dcrat
behavioral1/files/0x000a000000015678-61.dat	dcrat
behavioral1/memory/812-65-0x0000000000180000-0x00000000003C4000-memory.dmp	dcrat
behavioral1/memory/2644-85-0x0000000000980000-0x0000000000BC4000-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

pid	Process
1588	powershell.exe
2880	powershell.exe
1436	powershell.exe
1532	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
1656	installer1.exe
2300	Realtek HD Audio Universal Service.exe
2676	javaw.exe Java(TM) Platform SE binary.exe
2740	Updata.exe
812	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
2644	csrss.exe

Loads dropped DLL 11 IoCs

pid	Process
2068	installer.exe
1656	installer1.exe
1656	installer1.exe
1656	installer1.exe
1656	installer1.exe
1656	installer1.exe
2300	Realtek HD Audio Universal Service.exe
2300	Realtek HD Audio Universal Service.exe
1656	installer1.exe
2784	cmd.exe
2784	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 13 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "\"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\Program Files\\Microsoft Games\\conhost.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Windows Mail\\de-DE\\dwm.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Windows\\Temp\\schtasks.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files\\Windows Mail\\fr-FR\\winlogon.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\conhost = "\"C:\\Program Files\\Microsoft Games\\conhost.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files\\Windows Mail\\de-DE\\dwm.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Recovery\\8f60a382-0d98-11ef-817d-5aba25856535\\csrss.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\schtasks = "\"C:\\Windows\\Temp\\schtasks.exe\""	Realtek HD Audio Universal Service.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "\"C:\\Windows\\ehome\\it-IT\\Realtek HD Audio Universal Service.exe\""	Realtek HD Audio Universal Service.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.

flow	ioc
2	ip-api.com

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Mail\fr-FR\winlogon.exe	Realtek HD Audio Universal Service.exe
File created	C:\Program Files\Windows Mail\fr-FR\cc11b995f2a76d	Realtek HD Audio Universal Service.exe
File created	C:\Program Files\Windows Mail\de-DE\dwm.exe	Realtek HD Audio Universal Service.exe
File opened for modification	C:\Program Files\Windows Mail\de-DE\dwm.exe	Realtek HD Audio Universal Service.exe
File created	C:\Program Files\Windows Mail\de-DE\6cb0b6c459d5d3	Realtek HD Audio Universal Service.exe
File created	C:\Program Files\Microsoft Games\conhost.exe	Realtek HD Audio Universal Service.exe
File created	C:\Program Files\Microsoft Games\088424020bedd6	Realtek HD Audio Universal Service.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ehome\it-IT\Realtek HD Audio Universal Service.exe	Realtek HD Audio Universal Service.exe
File created	C:\Windows\ehome\it-IT\1a118449e3bb0d	Realtek HD Audio Universal Service.exe
File created	C:\Windows\ehome\it-IT\Realtek HD Audio Universal Service.exe	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 18 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
756	schtasks.exe
1160	schtasks.exe
340	schtasks.exe
1856	schtasks.exe
772	schtasks.exe
1424	schtasks.exe
1580	schtasks.exe
1620	schtasks.exe
1064	schtasks.exe
1676	schtasks.exe
1616	schtasks.exe
1184	schtasks.exe
1608	schtasks.exe
2556	schtasks.exe
2500	schtasks.exe
2264	schtasks.exe
784	schtasks.exe
3012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2740	Updata.exe
2740	Updata.exe
2740	Updata.exe
812	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
852	Realtek HD Audio Universal Service.exe
2644	csrss.exe
1588	powershell.exe
2880	powershell.exe
1436	powershell.exe
1532	powershell.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2676	javaw.exe Java(TM) Platform SE binary.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe
2644	csrss.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2644	csrss.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	javaw.exe Java(TM) Platform SE binary.exe
Token: SeDebugPrivilege	2740	Updata.exe
Token: SeDebugPrivilege	812	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	852	Realtek HD Audio Universal Service.exe
Token: SeDebugPrivilege	2644	csrss.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	1436	powershell.exe
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	2676	javaw.exe Java(TM) Platform SE binary.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2676	javaw.exe Java(TM) Platform SE binary.exe

Suspicious use of WriteProcessMemory 61 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 2068 wrote to memory of 1656	2068	installer.exe	28
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2300	1656	installer1.exe	29
PID 1656 wrote to memory of 2676	1656	installer1.exe	30
PID 1656 wrote to memory of 2676	1656	installer1.exe	30
PID 1656 wrote to memory of 2676	1656	installer1.exe	30
PID 1656 wrote to memory of 2676	1656	installer1.exe	30
PID 1656 wrote to memory of 2740	1656	installer1.exe	31
PID 1656 wrote to memory of 2740	1656	installer1.exe	31
PID 1656 wrote to memory of 2740	1656	installer1.exe	31
PID 1656 wrote to memory of 2740	1656	installer1.exe	31
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2300 wrote to memory of 2632	2300	Realtek HD Audio Universal Service.exe	32
PID 2740 wrote to memory of 2752	2740	Updata.exe	33
PID 2740 wrote to memory of 2752	2740	Updata.exe	33
PID 2740 wrote to memory of 2752	2740	Updata.exe	33
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2632 wrote to memory of 2784	2632	WScript.exe	34
PID 2784 wrote to memory of 812	2784	cmd.exe	36
PID 2784 wrote to memory of 812	2784	cmd.exe	36
PID 2784 wrote to memory of 812	2784	cmd.exe	36
PID 2784 wrote to memory of 812	2784	cmd.exe	36
PID 812 wrote to memory of 852	812	Realtek HD Audio Universal Service.exe	47
PID 812 wrote to memory of 852	812	Realtek HD Audio Universal Service.exe	47
PID 812 wrote to memory of 852	812	Realtek HD Audio Universal Service.exe	47
PID 852 wrote to memory of 2644	852	Realtek HD Audio Universal Service.exe	57
PID 852 wrote to memory of 2644	852	Realtek HD Audio Universal Service.exe	57
PID 852 wrote to memory of 2644	852	Realtek HD Audio Universal Service.exe	57
PID 2676 wrote to memory of 1588	2676	javaw.exe Java(TM) Platform SE binary.exe	58
PID 2676 wrote to memory of 1588	2676	javaw.exe Java(TM) Platform SE binary.exe	58
PID 2676 wrote to memory of 1588	2676	javaw.exe Java(TM) Platform SE binary.exe	58
PID 2676 wrote to memory of 2880	2676	javaw.exe Java(TM) Platform SE binary.exe	60
PID 2676 wrote to memory of 2880	2676	javaw.exe Java(TM) Platform SE binary.exe	60
PID 2676 wrote to memory of 2880	2676	javaw.exe Java(TM) Platform SE binary.exe	60
PID 2676 wrote to memory of 1436	2676	javaw.exe Java(TM) Platform SE binary.exe	62
PID 2676 wrote to memory of 1436	2676	javaw.exe Java(TM) Platform SE binary.exe	62
PID 2676 wrote to memory of 1436	2676	javaw.exe Java(TM) Platform SE binary.exe	62
PID 2676 wrote to memory of 1532	2676	javaw.exe Java(TM) Platform SE binary.exe	64
PID 2676 wrote to memory of 1532	2676	javaw.exe Java(TM) Platform SE binary.exe	64
PID 2676 wrote to memory of 1532	2676	javaw.exe Java(TM) Platform SE binary.exe	64

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\installer1.exe
  "C:\Users\Admin\AppData\Local\Temp\installer1.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
    "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2300
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\bridgeHyperCrt\FOAEdrh1BxsF.vbe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2632
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\bridgeHyperCrt\OI0pwrYEs8WKMbQhaocS5DTAkNJim.bat" "
        5⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:2784
      - C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe
        
        "C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe"
        6⤵
        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:812
        
        C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe
        
        "C:\bridgeHyperCrt\Realtek HD Audio Universal Service.exe"
        7⤵
        Modifies WinLogon for persistence
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Program Files directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:852
        
        C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe
        
        "C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe"
        8⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:2644
- - 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"
    3⤵
    - 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:2676
  - - 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'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1588
  - - 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'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2880
  - - 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'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1436
  - - 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'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1532
- - C:\Users\Admin\AppData\Local\Temp\Updata.exe
    "C:\Users\Admin\AppData\Local\Temp\Updata.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2740 -s 748
      4⤵
      PID:2752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Realtek HD Audio Universal ServiceR" /sc MINUTE /mo 6 /tr "'C:\Windows\ehome\it-IT\Realtek HD Audio Universal Service.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:340

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Realtek HD Audio Universal Service" /sc ONLOGON /tr "'C:\Windows\ehome\it-IT\Realtek HD Audio Universal Service.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Realtek HD Audio Universal ServiceR" /sc MINUTE /mo 6 /tr "'C:\Windows\ehome\it-IT\Realtek HD Audio Universal Service.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1676

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Games\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Games\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Mail\fr-FR\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\fr-FR\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2500

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Mail\fr-FR\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\de-DE\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:772

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\de-DE\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1424

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\de-DE\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\8f60a382-0d98-11ef-817d-5aba25856535\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 7 /tr "'C:\Windows\Temp\schtasks.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtasks" /sc ONLOGON /tr "'C:\Windows\Temp\schtasks.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 9 /tr "'C:\Windows\Temp\schtasks.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
89b659a231f8b652a149cc65d2af932f

SHA1
d7f45f7fb6fb95e08ae576f710180e41d55a1778

SHA256
acfd822f5d855e50e8460675b94456ad78ae394725e5c1a2559ac69212873207

SHA512
fb6411bfffb942204914cf1581d712462f3d33b4b87f4c29a69d03aaba4f6528f961c2f37c1014ae4f24ccad4b53268b92ce5334c8fb2b8f4e067794d72596e7

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
\Users\Admin\AppData\Local\Temp\installer1.exe

Filesize
7.8MB

MD5
f3d4a56f1ec903519f4c37129423bd73

SHA1
72f0835888eea6e63e142d208b3997a708d7331b

SHA256
eb346407fcdb18f374cd2c9e309f8d8e986e8679d370c1f530723d0a0c8c3579

SHA512
1847df8f65d254a270722bf968b5e14230c3b9cb13b8bd0886aadb7c1da11d8ad43f56483be634b5010919843bbf4997cf5ada31a6a3e81671e173b0994630ac

Download Submit
\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
\bridgeHyperCrt\Realtek HD Audio Universal Service.exe

Filesize
2.2MB

MD5
8b8ad5d190af5992165ab74f2c4d2539

SHA1
4c7dcd839b39b6da31c575e6c0078b948c486ca0

SHA256
fa7c73b719b35f3ed6e23c1c1f216f9c344a3a95a46d9779ddb90cacbde81624

SHA512
eb957611286cc642dac606a2cd65ae49a67c15832f5383983dc65075d48ab7c4c74873a30cbf9ff024b29d0282b2e1e6e731365a78f23c912fbd5a799568aa0c

Download Submit
memory/812-65-0x0000000000180000-0x00000000003C4000-memory.dmp

Filesize
2.3MB

Download
memory/1588-91-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

Filesize
32KB

Download
memory/1588-90-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/1656-29-0x0000000000400000-0x0000000000BC8000-memory.dmp

Filesize
7.8MB

Download
memory/2068-6-0x0000000000400000-0x00000000010AD000-memory.dmp

Filesize
12.7MB

Download
memory/2644-85-0x0000000000980000-0x0000000000BC4000-memory.dmp

Filesize
2.3MB

Download
memory/2644-111-0x0000000002350000-0x0000000002368000-memory.dmp

Filesize
96KB

Download
memory/2676-42-0x00000000001A0000-0x00000000001B6000-memory.dmp

Filesize
88KB

Download
memory/2740-40-0x0000000001140000-0x0000000001192000-memory.dmp

Filesize
328KB

Download
memory/2880-97-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/2880-98-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download