Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 09:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 4.7MB
- Sample260701-le15cacy4x
- SHA256 7c9f4ca4ceabfcc29fc90b85a9911a3bcc86d3df78ba8f2507655fe15f5310dd
- MD5 70e6ef4b986dbe7fdae8fd0a35e2558a
- SHA1 c659be231efb76d46458776b43af95b018d82932
- SHA512 b680634ddc0edcbe18067b8e4c4e4bfa3e255501f01de9e7463c25ebfd7128b75d07d996c2937175c54ebeff7fefe28453305e76404708f7a428597660abb5b1
- SSDEEP 98304:VapyjccgclRyteBEd1vXwdcO6NTiZMQHwxBu71Z67owWd0aBDQrEO:VPjccgc30X3O6tUwxBY1kI0QDQgO
- TLSH T19D3612037D58688FD81731B770AEC55292162E2F07B1CD4253C83E6FADDBA5E422AF49
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Costura .NET executable packer 64 IoCs
Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.
resource yara_rule behavioral2/memory/4936-1-0x00000000060A0000-0x00000000065E2000-memory.dmp costura behavioral2/memory/4936-5-0x0000000006BA0000-0x00000000070E0000-memory.dmp costura behavioral2/memory/4936-6-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-7-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-15-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-17-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-24-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-30-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-36-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-34-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-48-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-62-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-79-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-93-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-107-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-123-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-125-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-132-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-130-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-128-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-126-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-120-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-118-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-116-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-114-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-112-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-110-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-108-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-104-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-102-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-100-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-98-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-96-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-94-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-90-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-88-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-86-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-84-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-82-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-76-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-74-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-72-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-70-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-68-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-66-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-80-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-64-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-59-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-56-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-52-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-50-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-61-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-54-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-46-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-44-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-42-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-40-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-38-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-32-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-26-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-28-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-22-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-20-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura behavioral2/memory/4936-13-0x0000000006BA0000-0x00000000070DA000-memory.dmp costura - 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 2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4936 2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4936 2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4936 2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-01_70e6ef4b986dbe7fdae8fd0a35e2558a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4936