Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/08/2026, 16:56
Behavioral task
behavioral1
Sample
2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260806-vf67eswcle
- SHA256 765ad7eaa0e27250fcf8888f31aba8a902a0924c6528a31d863bf9c6e7c56e62
- MD5 a38666ba474829fda4b5087d314f79f3
- SHA1 7714884fc51b85de1e6a6abae61a07eaa7754a9e
- SHA512 025d1b9050338e57ae1dfbd37eb33c0d0dec701d2e5f055340e49a0cfd4c426da35068dfd6ea166a56b7400072c01a3b9b0bd5f54f13300fe95f5818f89134fd
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:EvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1B5357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0005000000023299-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0005000000023299-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/1756-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp UPX behavioral1/files/0x0005000000023299-2.dat UPX behavioral1/memory/1732-4-0x0000000000090000-0x000000000011C000-memory.dmp UPX behavioral1/memory/1756-16-0x0000000000AC0000-0x0000000000B4C000-memory.dmp UPX behavioral1/memory/1732-19-0x0000000000090000-0x000000000011C000-memory.dmp UPX behavioral1/memory/1732-36-0x0000000000090000-0x000000000011C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1732 7b41126b - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 134 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 378 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 440 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 43 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 276 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 277 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 348 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 439 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 111 114.114.114.114 1732 7b41126b Destination IP 133 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 202 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 204 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 347 114.114.114.114 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 45 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 112 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 379 223.5.5.5 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7b41126b File created C:\Windows\SysWOW64\7b41126b 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7b41126b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7b41126b -
resource yara_rule behavioral1/memory/1756-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral1/files/0x0005000000023299-2.dat upx behavioral1/memory/1732-4-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/1756-16-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral1/memory/1732-19-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral1/memory/1732-36-0x0000000000090000-0x000000000011C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1da708 7b41126b File opened for modification C:\Windows\1e1038 2026-08-06_a38666ba474829fda4b5087d314f79f3_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 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7b41126b - 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\History\CachePrefix = "Visited:" 7b41126b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7b41126b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7b41126b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7b41126b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7b41126b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7b41126b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7b41126b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7b41126b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7b41126b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1732 7b41126b 1732 7b41126b 1732 7b41126b 1732 7b41126b 1732 7b41126b 1732 7b41126b 1732 7b41126b 1732 7b41126b 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 1756 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1732 7b41126b Token: SeTcbPrivilege 1732 7b41126b
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_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:1756
-
C:\Windows\Syswow64\7b41126bC:\Windows\Syswow64\7b41126b1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:1732
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7b41126b
- Size 1.1MB
- SHA256 cfa03ceb72124375e76ae063b1f80b60d08fe3078e8ec7197403eea35cfacc3b
- MD5 df4f25171d328ab45b5617f96ca8d1e8
- SHA1 a173af6bdb1d7eb8c28c4bbdbba88dd86791298b
- SHA512 393aac8b803592b395d96779871995816e483c8ad3a6db1dcafd2ffc2c328e09ee54f12250b0053ebcbf40e5ad5b4b2b1d303416637952b6a723c20e1f277c39
- SSDEEP 12288:MSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:/vO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T144357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH