Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 08:29
Behavioral task
behavioral1
Sample
2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260513-en
windows11-21h2-x64
13 signatures
150 seconds
General
- Target 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1024KB
- Sample260528-kd4cmsct2z
- SHA256 fecf3add014fa2c72b0aa65e25e414b4bab48e94b7218a81a46fed1485da3856
- MD5 2f986ebc2f983c6135dbc7a552f1eaa0
- SHA1 3525786baed6ffccb510aab1dba390c2a90820ff
- SHA512 0a2537b6770f1f4ebf0f0af494397b56a0e6201f8ebf647b811a09fe6ae5172f7e3b06fec29ffdc211af602f4fc96814bb8122d70bf0b5002f33a607ab1459c4
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:kvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T13C256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001d00000002b289-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001d00000002b289-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/812-0-0x0000000000180000-0x000000000020C000-memory.dmp UPX behavioral2/files/0x001d00000002b289-2.dat UPX behavioral2/memory/2912-3-0x0000000000550000-0x00000000005DC000-memory.dmp UPX behavioral2/memory/812-12-0x0000000000180000-0x000000000020C000-memory.dmp UPX behavioral2/memory/2912-13-0x0000000000550000-0x00000000005DC000-memory.dmp UPX behavioral2/memory/2912-32-0x0000000000550000-0x00000000005DC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2912 f50affc0 - 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 2 223.5.5.5 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 11 114.114.114.114 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 12 223.5.5.5 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f50affc0 File created C:\Windows\SysWOW64\f50affc0 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f50affc0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f50affc0 -
resource yara_rule behavioral2/memory/812-0-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/files/0x001d00000002b289-2.dat upx behavioral2/memory/2912-3-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/812-12-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/2912-13-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/2912-32-0x0000000000550000-0x00000000005DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\31dac0 f50affc0 File opened for modification C:\Windows\de6d8 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_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 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f50affc0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f50affc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f50affc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f50affc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f50affc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f50affc0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f50affc0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f50affc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f50affc0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f50affc0 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA f50affc0 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 f50affc0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2912 f50affc0 2912 f50affc0 2912 f50affc0 2912 f50affc0 2912 f50affc0 2912 f50affc0 2912 f50affc0 2912 f50affc0 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 812 2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 2912 f50affc0 Token: SeTcbPrivilege 2912 f50affc0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-28_2f986ebc2f983c6135dbc7a552f1eaa0_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:812
-
C:\Windows\Syswow64\f50affc0C:\Windows\Syswow64\f50affc01⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f50affc0
- Size 1024KB
- SHA256 243c098be3abf521f02809f90a97c8afe8124ef815a014da13ff9fab69e259dd
- MD5 d6bd8ed65f5269dbc1f8628889fd3dfd
- SHA1 7954ca8bae48a49f3988e1e5ac54d2fd0e582c04
- SHA512 41cc5d9c3b82774ba6162da02dd061e350039865823bcc8ea638ceffeb220218512a16e19174bd535b9ece4cf81ade8d6f7e78e27854cd609163d4df47a7bad5
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:VvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T1F1256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH