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, 09:42
Behavioral task
behavioral1
Sample
2026-08-03_cb042f2eba6baa57f459059e930638ed_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_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260709-en
13 signatures
150 seconds
General
- Target 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260804-lpjcaack9s
- SHA256 8d54731adf3f5ed9dc0dc3dcf6db9424c3e1057e6952c8dea65b417f9cc5b68e
- MD5 cb042f2eba6baa57f459059e930638ed
- SHA1 52c952245a681e39ed02fda4638768e9fab39035
- SHA512 f676423e715d05e2fe2f249f224dede6f9b77ef8b9e033f04cbbe076edefc92fbde3547cd09b1f873933f2a04608856e11d4b64bef521eaf57450b2615d8e5fc
- SSDEEP 24576:vvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:vHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T115858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000016907-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000016907-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4788-0-0x0000000000270000-0x00000000002FC000-memory.dmp UPX behavioral1/files/0x000a000000016907-2.dat UPX behavioral1/memory/2508-3-0x0000000000190000-0x000000000021C000-memory.dmp UPX behavioral1/memory/4788-13-0x0000000000270000-0x00000000002FC000-memory.dmp UPX behavioral1/memory/2508-14-0x0000000000190000-0x000000000021C000-memory.dmp UPX behavioral1/memory/2508-28-0x0000000000190000-0x000000000021C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2508 ecf462f0 - 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 5 114.114.114.114 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 30 114.114.114.114 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 32 223.5.5.5 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_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\ecf462f0 2026-08-03_cb042f2eba6baa57f459059e930638ed_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 ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ecf462f0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ecf462f0 -
resource yara_rule behavioral1/memory/4788-0-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral1/files/0x000a000000016907-2.dat upx behavioral1/memory/2508-3-0x0000000000190000-0x000000000021C000-memory.dmp upx behavioral1/memory/4788-13-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral1/memory/2508-14-0x0000000000190000-0x000000000021C000-memory.dmp upx behavioral1/memory/2508-28-0x0000000000190000-0x000000000021C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2af018 ecf462f0 File opened for modification C:\Windows\51f8e8 2026-08-03_cb042f2eba6baa57f459059e930638ed_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_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ecf462f0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ecf462f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ecf462f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ecf462f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ecf462f0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ecf462f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ecf462f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ecf462f0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ecf462f0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ecf462f0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 2508 ecf462f0 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4788 2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 2508 ecf462f0 Token: SeTcbPrivilege 2508 ecf462f0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_cb042f2eba6baa57f459059e930638ed_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_cb042f2eba6baa57f459059e930638ed_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:4788
-
C:\Windows\Syswow64\ecf462f0C:\Windows\Syswow64\ecf462f01⤵
- 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:2508
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ecf462f0
- Size 1.7MB
- SHA256 0aabd611f06ea30d2fa4bdd2be7d2aa0171ae534dc110e5a270b3de54c3d9751
- MD5 09cba0b73dc68cadaf3e9fc7d6b84ab7
- SHA1 c8cfe04cc1a74a955ed85bf9498bd4c79b6dfeec
- SHA512 70331bd65d86f71a59e0d4853e6538af24e76a184682d050dc440612f3d8b224e409d13d38f65bff85cdc74cb66a57899e090d52a0d30f9db1d38ae7d5296fca
- SSDEEP 24576:ZvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ZHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T177858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH