Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2026, 16:35
Behavioral task
behavioral1
Sample
2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260511-t33bbaas8k
- SHA256 53511f61059d31c385ba268ea5bf6dfbe6a26131aaed2c8161f72e7175e202e3
- MD5 a71a7e1a52c28d899646d97da4479ceb
- SHA1 af8142b16a7cd52cc03eb4920b718f17481353a8
- SHA512 82942133836b4caafc16795b32a77c7a9997c08b069e6d14038f62b669aeb32da43937da10594e1ea5426ba84f7dbf45a34cf92923fd587611ee68ee184e8aa5
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:TvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T113256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0005000000021714-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0005000000021714-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/5504-0-0x0000000000300000-0x000000000038C000-memory.dmp UPX behavioral1/files/0x0005000000021714-2.dat UPX behavioral1/memory/2536-4-0x0000000000370000-0x00000000003FC000-memory.dmp UPX behavioral1/memory/5504-10-0x0000000000300000-0x000000000038C000-memory.dmp UPX behavioral1/memory/2536-11-0x0000000000370000-0x00000000003FC000-memory.dmp UPX behavioral1/memory/2536-27-0x0000000000370000-0x00000000003FC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2536 ca904b00 - 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 36 114.114.114.114 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 37 223.5.5.5 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 114.114.114.114 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 7 223.5.5.5 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\ca904b00 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ca904b00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ca904b00 -
resource yara_rule behavioral1/memory/5504-0-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral1/files/0x0005000000021714-2.dat upx behavioral1/memory/2536-4-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral1/memory/5504-10-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral1/memory/2536-11-0x0000000000370000-0x00000000003FC000-memory.dmp upx behavioral1/memory/2536-27-0x0000000000370000-0x00000000003FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b6ad0 ca904b00 File opened for modification C:\Windows\5e3b00 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_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 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca904b00 - 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 ca904b00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ca904b00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ca904b00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ca904b00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ca904b00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ca904b00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ca904b00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ca904b00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ca904b00 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA ca904b00 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 ca904b00 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2536 ca904b00 2536 ca904b00 2536 ca904b00 2536 ca904b00 2536 ca904b00 2536 ca904b00 2536 ca904b00 2536 ca904b00 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 5504 2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 2536 ca904b00 Token: SeTcbPrivilege 2536 ca904b00
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_a71a7e1a52c28d899646d97da4479ceb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_a71a7e1a52c28d899646d97da4479ceb_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:5504
-
C:\Windows\Syswow64\ca904b00C:\Windows\Syswow64\ca904b001⤵
- 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:2536
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ca904b00
- Size 1022KB
- SHA256 e71c2a0501b50a7a21c1b586b56f109635543b6578468cc4c9302230c6751fa8
- MD5 d23cafa76bab9174bc8b5b94e4886fc2
- SHA1 e9d0e28dcccce10ee1f1b2d4a2fdaf3ff8667aa4
- SHA512 3b545ea0c47a508f0e57e082b9d87acbc55c33e705226ca26cfde9671ef10c717ac9fe5171c62ea19c868402c92a88047671293bbdaee5e410ef8efce1d0657b
- SSDEEP 12288:CSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:JvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1F1256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH