Analysis
- user interaction
yes - max time kernel
41s - max time network
42s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/07/2026, 14:13
Behavioral task
behavioral1
Sample
utorrent_installer.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
utorrent_installer.exe
Resource
win11ltsc2024-20260706-en
20 signatures
150 seconds
General
- Target utorrent_installer.exe
- Size 2.1MB
- Sample260708-rjepsshv3l
- SHA256 0a4f6c69d6217ae7355fe33e0b266b3a2cdd887f3d3f5b37c6d6f03abb037c23
- MD5 a92b3e2762d776984618cf27a199bb23
- SHA1 1b877eb6379adb4518fc7cbe40ad79f2505c4acc
- SHA512 618080c82096f775d7450dcc86be19158ac9510a9feda1116588b78d49759813cc2456145c0d539db84218323586c18b63aac90cc771bb07d1628adbfd9c7c29
- SSDEEP 24576:PXNrSLScusMmOkKIhzvL3yVRlsfizumAsD9LRhRgYATqHDqLycD+b6rwueCLv48a:EuI5hksfvsDVRQIQy7c748q4B3UsW
- TLSH T1D8A5D03FB28B753EE06A1A3A7A72E610583F7E61A5124C1696E4D84CCF350701E3E797
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2620 utorrent_installer.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language utorrent_installer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language utorrent_installer.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/3200-0-0x0000000000D40000-0x0000000000E25000-memory.dmp innosetup behavioral1/memory/3200-10-0x0000000000D40000-0x0000000000E25000-memory.dmp innosetup - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3200 wrote to memory of 2620 3200 utorrent_installer.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Users\Admin\AppData\Local\Temp\is-MNY4JYJ0G4.tmp\utorrent_installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-MNY4JYJ0G4.tmp\utorrent_installer.tmp" /SL5="$A005E,902162,877568,C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2620
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-MNY4JYJ0G4.tmp\utorrent_installer.tmp
- Size 4.2MB
- SHA256 7531f248ce4ad03ace1bcfdfc347e4a4d9e5a07a4f6e49e565454b8e115f3262
- MD5 dcdccf026f9927a2f9cdfa5276c715a9
- SHA1 1b4b469d329ffcaf47f52ff63e956d91fab5bc69
- SHA512 53f343110d5f6391ac3a112cc2e363c0ff2db9f00a9c9c49ab4005a0534e6f28205d7a7e894a26dc0b5e2e005ad081d2d5fc580a138d253cd49f9a139dc31105
- SSDEEP 98304:H3U5HY/KwjoYY1j48UWm2eTMFdC+Jz333Y:E4/1jorPmEm
- TLSH T121168F03B348753EE4671A3A583FE680983F7E213A26CD4B6BF4095C8F396416D2A757
- MD5 SHA1 SHA512 SSDEEP TLSH