Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 02:55
Behavioral task
behavioral1
Sample
2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260709-en
13 signatures
150 seconds
General
- Target 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260804-dehc8ser3x
- SHA256 d549b92e5cf335f296059f11762ed06acd7ab65151ba9744b0ec857a38fabe62
- MD5 5431baf46eee53a54e2af602469a0463
- SHA1 02d06916d9d4489a8d500f5c2a62b514c542d146
- SHA512 458aaffdd1a8f7b913c54567b85c924c0f440eb4b1ce6b6e39fd7c19297eb28654f58cabb1feb3dfaed01ae4f804f8d7b5f6cf4201d086f3f189cda7ffc2d29a
- SSDEEP 24576:evO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:eHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T132858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000500000002318b-3.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000500000002318b-3.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/3956-0-0x0000000000830000-0x00000000008BC000-memory.dmp UPX behavioral1/files/0x000500000002318b-3.dat UPX behavioral1/memory/4548-7-0x0000000000D00000-0x0000000000D8C000-memory.dmp UPX behavioral1/memory/3956-10-0x0000000000830000-0x00000000008BC000-memory.dmp UPX behavioral1/memory/4548-11-0x0000000000D00000-0x0000000000D8C000-memory.dmp UPX behavioral1/memory/4548-27-0x0000000000D00000-0x0000000000D8C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4548 3179ea42 - 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 3 114.114.114.114 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 36 114.114.114.114 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 37 223.5.5.5 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_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 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3179ea42 File created C:\Windows\SysWOW64\3179ea42 2026-08-03_5431baf46eee53a54e2af602469a0463_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 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3179ea42 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3179ea42 -
resource yara_rule behavioral1/memory/3956-0-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral1/files/0x000500000002318b-3.dat upx behavioral1/memory/4548-7-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral1/memory/3956-10-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral1/memory/4548-11-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx behavioral1/memory/4548-27-0x0000000000D00000-0x0000000000D8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ddd08 3179ea42 File opened for modification C:\Windows\43ba68 2026-08-03_5431baf46eee53a54e2af602469a0463_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 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3179ea42 - 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:" 3179ea42 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3179ea42 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3179ea42 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3179ea42 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3179ea42 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3179ea42 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3179ea42 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3179ea42 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3179ea42 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4548 3179ea42 4548 3179ea42 4548 3179ea42 4548 3179ea42 4548 3179ea42 4548 3179ea42 4548 3179ea42 4548 3179ea42 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3956 2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4548 3179ea42 Token: SeTcbPrivilege 4548 3179ea42
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_5431baf46eee53a54e2af602469a0463_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_5431baf46eee53a54e2af602469a0463_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:3956
-
C:\Windows\Syswow64\3179ea42C:\Windows\Syswow64\3179ea421⤵
- 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:4548
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3179ea42
- Size 1.7MB
- SHA256 06556fd3657c6aa55e8b4d0f3be01cc127705f71ca25a086fdc1e883362d3a57
- MD5 24dc6e188ca3f22870672ec9cef8c6fd
- SHA1 da99dfbf79f97842900fe731158629dbca4e7838
- SHA512 0a7d245a70e0bca5dcd6cc2de8b1127d9754a78ebdef21bc352a6d44f445624a298df7c62556cbfb76c12762bca021280a8dc5bad60d1c1fa1248b1262cbb383
- SSDEEP 24576:FvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:FHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T167858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH