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
11/05/2026, 01:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
Resource
win11-20260130-en
7 signatures
150 seconds
General
- Target 2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
- Size 158KB
- Sample260511-b1w3eahx2x
- SHA256 1e44d448cd7eade0f8a05e62b1e94350d3dc95ce609c383c28d06adc93c58945
- MD5 a33cea90066193c85a9565b44711228d
- SHA1 e15ad2f3390dd4f8df860646d756840f011a7780
- SHA512 bfc7419738bbb94db41ad28abcc62ccbf15146b3b6a1a4d67c61d81591ab2ff0ed1d612356e7990bed417954de2f98d2da766f3f5de62b85e05d65b2ba2ff709
- SSDEEP 3072:m79l86WqGzIfjZwik5tEiw3mkRqer5+nEB:mrzW/zeZhMEKSqer5+nEB
- TLSH T112F39E1A3959E4F3C5258A34686493A1973FF8317EB06683FBC8135E8E632D45E3B712
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 660 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" 2026-05-11_a33cea90066193c85a9565b44711228d_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 2026-05-11_a33cea90066193c85a9565b44711228d_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 3704 2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe Token: SeDebugPrivilege 660 AhnSvc.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3704 wrote to memory of 660 3704 2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe 80 PID 3704 wrote to memory of 5464 3704 2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_a33cea90066193c85a9565b44711228d_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:3704 -
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:660
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2026-05-11_a33cea90066193c85a9565b44711228d_amadey_cobalt-strike_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe" >> NUL2⤵
- System Location Discovery: System Language Discovery
PID:5464
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\AhnLab\AhnSvc.exe
- Size 158KB
- SHA256 3ffba5f0c19ff7235c284a40b2403af7ddf247b2e990db148cb8dceb9f06426b
- MD5 52fe87e4182d2fcc334fc36150b9e834
- SHA1 fab770f4197965cb94248c55bf9e8ebda8357a45
- SHA512 fc46e0601db982cdf444fd7431fa78efe2a6696db36613fd6824db9b03a9a2cc5678224a981edec5bc63d5a3f5d2efd579e3c4fc52b93dcb413c04b50fd12f36
- SSDEEP 3072:m79l86WqGzIfjZwik5tEiw3mkRqer5+nEX:mrzW/zeZhMEKSqer5+nEX
- TLSH T1B8F39E1A3959E4F3C5258A34686493A1973FF8317EB06683FBC8135E8E632D45E3B712
- MD5 SHA1 SHA512 SSDEEP TLSH