Analysis
- user interaction
yes - max time kernel
92s - max time network
91s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 16:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ascend.loader.exe
Resource
win10v2004-20260911-en
8 signatures
900 seconds
Behavioral task
behavioral2
Sample
ascend.loader.exe
Resource
win11ltsc2024-20260911-en
3 signatures
900 seconds
Errors
Reason
Machine shutdown
General
- Target ascend.loader.exe
- Size 14.3MB
- Sample260930-tzkl4ach79
- SHA256 38389b43fbd11351659d73303124c9e2cc442d4570e8174a0b347329c52425c8
- MD5 efe962cf6222f94d331e909aa40fd5d2
- SHA1 1c40a303ec1185c2c22788a0db471d043517b711
- SHA512 0d9783839054a2edc3021ba422c54bc30afaf2e0251cd6d5bce0b677b45b10be7485c6420f6bae1557cbc2ba0754107cd92c7bd377e96d654d2c8de04caf5c37
- SSDEEP 393216:sbKnA+TXnYI5EstiJtZCvOSZ6Xjtu5MoOI3P8q:PNDvsjYgXjtIMM3P8
- TLSH T1CCE623D27DC892ECD4CBCF55938A27CE61E2A3A54AB5BA1D77C20C03C970ED7540AA17
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\Recovery\ReAgent.xml bootim.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Panther\UnattendGC\setupact.log bootim.exe File opened for modification C:\Windows\Panther\UnattendGC\setuperr.log bootim.exe File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml bootim.exe File opened for modification C:\Windows\Panther\UnattendGC\diagwrn.xml bootim.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname ascend.loader.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ascend.loader.exe - Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 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\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" 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\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "70" LogonUI.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1648 ascend.loader.exe 1648 ascend.loader.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1648 ascend.loader.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSystemEnvironmentPrivilege 4692 bootim.exe Token: SeTakeOwnershipPrivilege 4692 bootim.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1648 ascend.loader.exe 1264 LogonUI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ascend.loader.exe"C:\Users\Admin\AppData\Local\Temp\ascend.loader.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1648
-
C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3921055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1264
-
C:\Windows\system32\bootim.exebootim.exe /startpage:11⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4692
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\System32\Recovery\ReAgent.xml
- Size 1KB
- SHA256 506e467941e88f7a4a1ec6be0df6ca32a7f44c2d6e26728544fdbfbbd65c7662
- MD5 4a3c21ebbb46d12987878d1ae5cb652a
- SHA1 f4f04cde929a05de530f48f8ac8fced74715fb3b
- SHA512 f11b79f865256338e5c678797c91db359015f0ed3da4de4c6a38089493e7071c21887e07d36c133ff79cfd456eae72c65e8aed930f83cd06a868d8b8e7ccdcb1
- TLSH T128212B4681F418B6D7B1C356F0F8BD60463FF1DE02E08A1CA019F6D39447451875F8B0
- MD5 SHA1 SHA512 TLSH