Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 04:07
Behavioral task
behavioral1
Sample
2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260823-eppqqsdr9t
- SHA256 313c321a0dba12873e795d328402d1825ed6d06f72b7efecd97738eae9b0f606
- MD5 9b2b5fa3de8cb235267ef129c3a6c1c9
- SHA1 0b82dbb7b4e8d66548dd5581b050b9c2c5ab3e9b
- SHA512 1d83060f8b4f7448027e879ed2d3778dd30892fd92442dd6401686f74354e90afa47aed0e53a1e5a7f62976be3f62ec6deec80d9dc90b81b615db616c61ebc62
- SSDEEP 12288:5SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:AvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1AE357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b85f-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b85f-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4148-0-0x0000000000100000-0x000000000018C000-memory.dmp UPX behavioral2/files/0x000700000001b85f-2.dat UPX behavioral2/memory/3304-3-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral2/memory/4148-15-0x0000000000100000-0x000000000018C000-memory.dmp UPX behavioral2/memory/3304-16-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral2/memory/3304-30-0x0000000000720000-0x00000000007AC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3304 98850d02 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 17 114.114.114.114 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 223.5.5.5 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 98850d02 File created C:\Windows\SysWOW64\98850d02 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 98850d02 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 98850d02 -
resource yara_rule behavioral2/memory/4148-0-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral2/files/0x000700000001b85f-2.dat upx behavioral2/memory/3304-3-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/4148-15-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral2/memory/3304-16-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral2/memory/3304-30-0x0000000000720000-0x00000000007AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3890d0 98850d02 File opened for modification C:\Windows\4703e8 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98850d02 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 98850d02 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 98850d02 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 98850d02 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 98850d02 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 98850d02 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 98850d02 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 98850d02 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 98850d02 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 98850d02 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3304 98850d02 3304 98850d02 3304 98850d02 3304 98850d02 3304 98850d02 3304 98850d02 3304 98850d02 3304 98850d02 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4148 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3304 98850d02 Token: SeTcbPrivilege 3304 98850d02
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148
-
C:\Windows\Syswow64\98850d02C:\Windows\Syswow64\98850d021⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\98850d02
- Size 1.1MB
- SHA256 65b4cb797c210819ae8fb4b123917e4ee9b4b8701fd1e3a24de425151524bb57
- MD5 2eccda013b7e436e66f22b2c711a2793
- SHA1 5bd12873b292b611633914bad790556ea09f0bda
- SHA512 8a3fb1bf002b9c77c17db76eb86708e2dce70e532d228114742e02f591712312dead4e842a2c423cebe605a32107c2dc47f8bebf9eae2df4746f2efbce5418d4
- SSDEEP 12288:nSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:SvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T120357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH