Analysis
- max time kernel
149s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 00:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
OperaSetup.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target OperaSetup.exe
- Size 3.1MB
- Sample260801-ajksdatwat
- SHA256 6fc3ec4e0c4a4ca05ca2de68145c015b14081973930f846da04b69861c410d09
- MD5 65cf5ace52174db05097d68edfe591fa
- SHA1 9cda9c71387438bf0d77b3dfae65d2c76c16f3f7
- SHA512 1168c6b57aa3a0c94764846c3ab1e16874a1839069feaf19c45cf109bfc026cbde475ce562e9451fe1127f3b24942fcd68c819be6e56603a89c4f0954d9dfd0d
- SSDEEP 49152:GVAbwtDkQC3x3XyayaN+KYUkAjHMZ/buhf0R8sx/ggeOV2MsAwZu8DbALMKMeVPo:CAYgh3XyFaN+QiOy/ggJl3w0PLTL+d
- TLSH T1C1E5231237448475C67312320F15E7A8A5BDF9652F72878733A47A5FCEF05C2AA26B0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
pid Process 1304 installer.exe 2132 installer.exe 5304 installer.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: installer.exe File opened (read-only) \??\E: installer.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 OperaSetup.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS installer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName installer.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1304 installer.exe 1304 installer.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5052 wrote to memory of 1304 5052 OperaSetup.exe 89 PID 1304 wrote to memory of 2132 1304 installer.exe 90 PID 1304 wrote to memory of 5304 1304 installer.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe"C:\Users\Admin\AppData\Local\Temp\OperaSetup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exeC:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe --server-tracking-blob=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2⤵
- Executes dropped EXE
- Enumerates connected drives
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exeC:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=134.0.5954.26 --initial-client-data=0x2a4,0x2a8,0x2ac,0x280,0x2b0,0x7ff62ece9d88,0x7ff62ece9d94,0x7ff62ece9da03⤵
- Executes dropped EXE
PID:2132
-
-
C:\Users\Admin\AppData\Local\Temp\.opera\927e1fc0-f432-4e3e-807a-cdbb24deb4f1 Opera Installer Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\.opera\927e1fc0-f432-4e3e-807a-cdbb24deb4f1 Opera Installer Temp\installer.exe" --version3⤵
- Executes dropped EXE
PID:5304
-
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7zSCB394219\installer.exe
- Size 8.3MB
- SHA256 49d33a257c47d2e32cbb967ef1c088c0ff5d71ced60950d902c9aa82311e306c
- MD5 d9534337f6a0f2c96b59dc571e694474
- SHA1 6e706ab155031e936ff35eff549d51b815c4de5b
- SHA512 becf6953874c49d217482a211ed9fd50e3075506390d4f1c33ea88665fe529f4c8e9fbad6057dc63f3ec546171886f98de6ce8ba13b906b96a9ffce012c846fb
- SSDEEP 98304:ZhLx1oEDfLTV7fi0obDaW6oTTOFO7g53QxheYNY8AFk:jLx1oKLTV7fYeDQxgXFk
- TLSH T1D9967C53F2A601E8D06FCA748B7A5232A9757C465B30A3EF0A943A251E75FD45F3CB20
- MD5 SHA1 SHA512 SSDEEP TLSH