Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
06/05/2026, 05:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
Resource
win10v2004-20250619-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
- Size 150KB
- Sample260506-gbp6fsey2n
- SHA256 e0f76f03718c2f35593d611eccb71e39a569f1216870c770b6c3fda7adc244dc
- MD5 7b2eebe1edb0c9f740781a77fa12f496
- SHA1 54b898f355b6bebd8860ba8f1657da116759ad63
- SHA512 bedf25d32a816e88a0a8e329ff83dae720f7777bd76cfa89d2331f622a39517c958d81683ee7c1cc8081b42014e347f44273ff32ce72f843349704d646384122
- SSDEEP 1536:CE3qz4ayX9ioT5Xl8lQWj1vTo5G6kvBzodfjZw4jk5tGwtsJ4WvLKb7TQdL31Aq2:/79l86WqGzIfjZwik5tEiw3mkRqezW
- TLSH T1A2E38D1A7959E4F3C5258A305868D7B2973AB8317E706683FBC4036E8DB72D05E3B712
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 540 AhnSvc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run" 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AhnSvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1908 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe Token: SeDebugPrivilege 540 AhnSvc.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1908 wrote to memory of 540 1908 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe 80 PID 1908 wrote to memory of 748 1908 2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\ProgramData\AhnLab\AhnSvc.exe"C:\ProgramData\AhnLab\AhnSvc.exe" /run2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:540
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2026-05-06_7b2eebe1edb0c9f740781a77fa12f496_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:748
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\AhnLab\AhnSvc.exe
- Size 150KB
- SHA256 b194f9bf6f8bb4a19978998252c914d0f48c9b1013d1a2e12769dda1989b922e
- MD5 00dad9f02b007d3f47a90cab4af18f35
- SHA1 35f914935183ec3f0eb0b9ea7640b37d46565565
- SHA512 3c5e99e4ec32a4516ac0f2fcf72c48cc391c2a6bd2183526d93cc9050e9aed4b1cf19b51100fd28abf2af8c89b9a012ab9d1eb94c307cf02e3d0fdf837e95b6b
- SSDEEP 1536:CE3qz4ayX9ioT5Xl8lQWj1vTo5G6kvBzodfjZw4jk5tGwtsJ4WvLKb7TQdL31AqP:/79l86WqGzIfjZwik5tEiw3mkRqezv
- TLSH T134E38D1A7959E4F3C5258A305868D7B2973AB8317E706683FBC4036E8DB72D05E3B712
- MD5 SHA1 SHA512 SSDEEP TLSH