Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 23:22
Behavioral task
behavioral1
Sample
2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260810-3chnna1cqf
- SHA256 93a1daf6f2bcc19f40b221a1f58a3d500eae6ea682e1538d9579784c77782616
- MD5 f2d439cdcd4d74155289626e33c7a450
- SHA1 ba629584cab30f8c8df74bc5e516b83cd46d20c2
- SHA512 0fb0ed4b164955cca77c7f9bd48941e5ad3791e85c747f848527f0a96d50e86e8c7ef00dab42e5a8ca416e690d8635499304c5c33206861f08de282edc6e8f48
- SSDEEP 12288:vSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:avO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1F5357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b860-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b860-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4844-0-0x0000000000D40000-0x0000000000DCC000-memory.dmp UPX behavioral2/files/0x000600000001b860-2.dat UPX behavioral2/memory/2616-3-0x00000000002F0000-0x000000000037C000-memory.dmp UPX behavioral2/memory/4844-13-0x0000000000D40000-0x0000000000DCC000-memory.dmp UPX behavioral2/memory/2616-14-0x00000000002F0000-0x000000000037C000-memory.dmp UPX behavioral2/memory/2616-35-0x00000000002F0000-0x000000000037C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2616 265de633 - 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 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 223.5.5.5 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 114.114.114.114 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 19 223.5.5.5 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_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\265de633 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 265de633 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 265de633 -
resource yara_rule behavioral2/memory/4844-0-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/files/0x000600000001b860-2.dat upx behavioral2/memory/2616-3-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/memory/4844-13-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/2616-14-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/memory/2616-35-0x00000000002F0000-0x000000000037C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2cc970 265de633 File opened for modification C:\Windows\52ee58 2026-08-10_f2d439cdcd4d74155289626e33c7a450_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 265de633 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - 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\Cookies\CachePrefix = "Cookie:" 265de633 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 265de633 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 265de633 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 265de633 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 265de633 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 265de633 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 265de633 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 265de633 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 265de633 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2616 265de633 2616 265de633 2616 265de633 2616 265de633 2616 265de633 2616 265de633 2616 265de633 2616 265de633 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4844 2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 2616 265de633 Token: SeTcbPrivilege 2616 265de633
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_f2d439cdcd4d74155289626e33c7a450_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_f2d439cdcd4d74155289626e33c7a450_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:4844
-
C:\Windows\Syswow64\265de633C:\Windows\Syswow64\265de6331⤵
- 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:2616
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\265de633
- Size 1.1MB
- SHA256 5e096bbd3700bad81e7e74cdf8e1ee3d7065a257ee06880a4a78086af463cfd4
- MD5 f1ffe42db2fdf936f7956ce5fbb0b8e9
- SHA1 2aaf1aac22a0969b021567487f1550a77a22d889
- SHA512 3d87ae7a3ef72ce5e877f8c4ef8edd85bbc29b875c0bc7f362d061798c09705ca21e816a65dc47d1a5988fcba993761a5e264f448d974d64dec860f1ff06f8a4
- SSDEEP 12288:GSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:lvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T13B357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH