Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 03:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
UsoClient34ed49.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
UsoClient34ed49.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target UsoClient34ed49.exe
- Size 2.9MB
- Sample260804-ebnxaavwey
- SHA256 5ec7d947edd27000fd124d2f09be065b9b81f003e69043ce490af92aacbdfb14
- MD5 ef6f7956fe20801bc4f2a41ea5b16367
- SHA1 0e9af43e29f608047b629bc6b7e6225e610fa5b4
- SHA512 3bf8c3fd4ad8a06ffdca5f1ee2101def6371ab32b79aacad63a6ae50ced930ca073936cfd1da6858aaf9e475a3e93ce5d3769e0326d2ca44ca3185092b409114
- SSDEEP 49152:OLNkAw0HFEhxHsbdvq4hfSgFYzqzJ/OUMpGYwqulXAHewRsIYQDsP8FFLMj:1kEhxHsbVPtSg+2zsUqsVlXA+SrauL
- TLSH T122D523A87CF52471D476CBB68E93E07EB22A77864B708E8336CD36009C239845D75B79
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
pid Process 2404 UsoClient34ed49.exe 4920 UsoClient34ed49.exe 4740 UsoClient34ed49.exe 4372 UsoClient34ed49.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2516 schtasks.exe 4216 schtasks.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2404 UsoClient34ed49.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3444 UsoClient34ed49.exe 3444 UsoClient34ed49.exe 3444 UsoClient34ed49.exe 3444 UsoClient34ed49.exe 2404 UsoClient34ed49.exe 2404 UsoClient34ed49.exe 2404 UsoClient34ed49.exe 2404 UsoClient34ed49.exe 4920 UsoClient34ed49.exe 4920 UsoClient34ed49.exe 4920 UsoClient34ed49.exe 4920 UsoClient34ed49.exe 4740 UsoClient34ed49.exe 4740 UsoClient34ed49.exe 4740 UsoClient34ed49.exe 4740 UsoClient34ed49.exe 4372 UsoClient34ed49.exe 4372 UsoClient34ed49.exe 4372 UsoClient34ed49.exe 4372 UsoClient34ed49.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3444 UsoClient34ed49.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3444 wrote to memory of 2516 3444 UsoClient34ed49.exe 89 PID 3444 wrote to memory of 2404 3444 UsoClient34ed49.exe 91 PID 2404 wrote to memory of 4216 2404 UsoClient34ed49.exe 94 - 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\UsoClient34ed49.exe"C:\Users\Admin\AppData\Local\Temp\UsoClient34ed49.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3444 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /create /tn "ScheduledDefragmentation_1f05" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe" /sc minute /mo 1 /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2516
-
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /create /tn "ScheduledDefragmentation_1f05" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe" /sc minute /mo 1 /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:4216
-
-
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exeC:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4920
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4740
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe"1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4372
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\90D7B00F\UsoClient34ed49.exe
- Size 2.9MB
- SHA256 5ec7d947edd27000fd124d2f09be065b9b81f003e69043ce490af92aacbdfb14
- MD5 ef6f7956fe20801bc4f2a41ea5b16367
- SHA1 0e9af43e29f608047b629bc6b7e6225e610fa5b4
- SHA512 3bf8c3fd4ad8a06ffdca5f1ee2101def6371ab32b79aacad63a6ae50ced930ca073936cfd1da6858aaf9e475a3e93ce5d3769e0326d2ca44ca3185092b409114
- SSDEEP 49152:OLNkAw0HFEhxHsbdvq4hfSgFYzqzJ/OUMpGYwqulXAHewRsIYQDsP8FFLMj:1kEhxHsbVPtSg+2zsUqsVlXA+SrauL
- TLSH T122D523A87CF52471D476CBB68E93E07EB22A77864B708E8336CD36009C239845D75B79
- MD5 SHA1 SHA512 SSDEEP TLSH