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
09/08/2026, 19:22
Behavioral task
behavioral1
Sample
2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260809-x3fdbsca84
- SHA256 e838858108e077da8adc3b2823f7aeac2593f3ca2b5c0260f3f02bbaf2a40e42
- MD5 f17deac061c816da377b4cd36eeb18bb
- SHA1 7853aa3f9755ec7452251a9ad4e8a52c79eca0f2
- SHA512 7b65a6a362411fc73ca0bcc77d7cdc09111e4ec34ff65ccb971bfafbba041a6f7bd5d96abd7207aa03797e68cf372e098f725ca079d23c04f98a6a4b431c6638
- SSDEEP 24576:XvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:XHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T118858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0008000000024590-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0008000000024590-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/440-0-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral1/files/0x0008000000024590-2.dat UPX behavioral1/memory/1776-3-0x0000000000760000-0x00000000007EC000-memory.dmp UPX behavioral1/memory/440-10-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral1/memory/1776-11-0x0000000000760000-0x00000000007EC000-memory.dmp UPX behavioral1/memory/1776-28-0x0000000000760000-0x00000000007EC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1776 3b50318c - 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 3 114.114.114.114 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 44 114.114.114.114 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 47 223.5.5.5 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_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\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3b50318c File created C:\Windows\SysWOW64\3b50318c 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3b50318c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3b50318c -
resource yara_rule behavioral1/memory/440-0-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/files/0x0008000000024590-2.dat upx behavioral1/memory/1776-3-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral1/memory/440-10-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/1776-11-0x0000000000760000-0x00000000007EC000-memory.dmp upx behavioral1/memory/1776-28-0x0000000000760000-0x00000000007EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1e67e0 3b50318c File opened for modification C:\Windows\78870 2026-08-09_f17deac061c816da377b4cd36eeb18bb_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 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b50318c - 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" 3b50318c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3b50318c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3b50318c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3b50318c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3b50318c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3b50318c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3b50318c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3b50318c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3b50318c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1776 3b50318c 1776 3b50318c 1776 3b50318c 1776 3b50318c 1776 3b50318c 1776 3b50318c 1776 3b50318c 1776 3b50318c 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 440 2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1776 3b50318c Token: SeTcbPrivilege 1776 3b50318c
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_f17deac061c816da377b4cd36eeb18bb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_f17deac061c816da377b4cd36eeb18bb_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:440
-
C:\Windows\Syswow64\3b50318cC:\Windows\Syswow64\3b50318c1⤵
- 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:1776
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3b50318c
- Size 1.7MB
- SHA256 f52e32534144d80a953b726489c962b501f7f352ef283d19daa6efccccdf1d56
- MD5 120f771592c60048aa66a69860baf230
- SHA1 82791ce951a35ae305ec2186e2ea839fb5d91b99
- SHA512 2a792aabcf97010e5c9d45d366c6ae5cab8c4a40480488a80bec25b93b21cff07ad5e51fa74ae2b9cea93a4c62dee17de281f277868659fc77a8bea3c8e096a2
- SSDEEP 24576:xvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:xHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T18A858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH