Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 02:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-22_4a778fabcf81d63a8b77e78d06e144ff_conti_glassworm_quasar-rat.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-05-22_4a778fabcf81d63a8b77e78d06e144ff_conti_glassworm_quasar-rat.exe
- Size 859KB
- Sample260522-dbyaaafy31
- SHA256 ee6d6fc6c20334cf75352cf10fca3c7543dd1bc0d1453166a6c0d1e57caa8b29
- MD5 4a778fabcf81d63a8b77e78d06e144ff
- SHA1 b6f23e4cc286ca420baf124e958b9cda6cf386e7
- SHA512 bcef020bf8ca0cb205c18158b7d5125c938084d21e8b035141fa1e1b594431b8ad55ad28af2b1216c42960b7a4176d160b01483475f99a3d73d4eec1af0bebd1
- SSDEEP 12288:9pCbk/Vm0PIF/cC4zjMPzhfthiOWmsaQJ4H359MRE2Waz6:SbQlINcfXMFftw6k4359MREaz
- TLSH T1FC153907B69251FCC56BC174C2AA9332B571BC185174BE2F2B94EB322F71E505B2E728
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2716 update_installed.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 update_installed.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString update_installed.exe - Enumerates system info in registry 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS update_installed.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer update_installed.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName update_installed.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct update_installed.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVersion update_installed.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe 2716 update_installed.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1692 wrote to memory of 2716 1692 2026-05-22_4a778fabcf81d63a8b77e78d06e144ff_conti_glassworm_quasar-rat.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-22_4a778fabcf81d63a8b77e78d06e144ff_conti_glassworm_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-22_4a778fabcf81d63a8b77e78d06e144ff_conti_glassworm_quasar-rat.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1692 -
C:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\Download\update_installed.exeC:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\Download\update_installed.exe2⤵
- Executes dropped EXE
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2716
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\EdgeUpdate\Download\update_installed.exe
- Size 859KB
- SHA256 ee6d6fc6c20334cf75352cf10fca3c7543dd1bc0d1453166a6c0d1e57caa8b29
- MD5 4a778fabcf81d63a8b77e78d06e144ff
- SHA1 b6f23e4cc286ca420baf124e958b9cda6cf386e7
- SHA512 bcef020bf8ca0cb205c18158b7d5125c938084d21e8b035141fa1e1b594431b8ad55ad28af2b1216c42960b7a4176d160b01483475f99a3d73d4eec1af0bebd1
- SSDEEP 12288:9pCbk/Vm0PIF/cC4zjMPzhfthiOWmsaQJ4H359MRE2Waz6:SbQlINcfXMFftw6k4359MREaz
- TLSH T1FC153907B69251FCC56BC174C2AA9332B571BC185174BE2F2B94EB322F71E505B2E728
- MD5 SHA1 SHA512 SSDEEP TLSH