Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 07:05
Behavioral task
behavioral1
Sample
2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260911-en
15 signatures
150 seconds
General
- Target 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample261002-hwjpvaxtaz
- SHA256 ad0fd62b4a3d1dae95b6ee066844fdc14b1aad531ef7f8e90feee837e4cb2d61
- MD5 a3b88fd47234b115edaa8544613641b4
- SHA1 5e3d3fc661b7bf956c44536d108098dc183be93b
- SHA512 31555958638651c974a9af8aa1e05c82cfc6e502504f618ea1909708112c3969ac18da50c9125bbf6bf52e8400db5ab749fb05a7f8f20e5e3e31b9ff09a02684
- SSDEEP 24576:JvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:JHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1EE858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Stealc stealer Version 3 1 IoCs
resource yara_rule behavioral2/memory/3196-18-0x0000000000260000-0x00000000002EC000-memory.dmp family_stealc_v3 - Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000800000001138c-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000800000001138c-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3196-0-0x0000000000260000-0x00000000002EC000-memory.dmp UPX behavioral2/files/0x000800000001138c-2.dat UPX behavioral2/memory/1824-3-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral2/memory/3196-18-0x0000000000260000-0x00000000002EC000-memory.dmp UPX behavioral2/memory/1824-19-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX behavioral2/memory/1824-42-0x0000000000C30000-0x0000000000CBC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1824 540eed44 - Unexpected DNS network traffic destination 20 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 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 235 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 280 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 344 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 398 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 39 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 148 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 234 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 343 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 95 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 149 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 180 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 181 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 311 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 40 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 93 114.114.114.114 1824 540eed44 Destination IP 282 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 312 223.5.5.5 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 397 114.114.114.114 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_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\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 540eed44 File created C:\Windows\SysWOW64\540eed44 2026-10-01_a3b88fd47234b115edaa8544613641b4_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 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 540eed44 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 540eed44 -
resource yara_rule behavioral2/memory/3196-0-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral2/files/0x000800000001138c-2.dat upx behavioral2/memory/1824-3-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/3196-18-0x0000000000260000-0x00000000002EC000-memory.dmp upx behavioral2/memory/1824-19-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/1824-42-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f3a40 540eed44 File opened for modification C:\Windows\36b778 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 540eed44 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 540eed44 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-10-01_a3b88fd47234b115edaa8544613641b4_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 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 540eed44 - 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\Content\CachePrefix 540eed44 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 540eed44 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 540eed44 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 540eed44 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 540eed44 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 540eed44 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 540eed44 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 540eed44 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 540eed44 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1824 540eed44 1824 540eed44 1824 540eed44 1824 540eed44 1824 540eed44 1824 540eed44 1824 540eed44 1824 540eed44 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3196 2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1824 540eed44 Token: SeTcbPrivilege 1824 540eed44
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-01_a3b88fd47234b115edaa8544613641b4_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-01_a3b88fd47234b115edaa8544613641b4_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
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196
-
C:\Windows\Syswow64\540eed44C:\Windows\Syswow64\540eed441⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\540eed44
- Size 1.7MB
- SHA256 00958c1b5a7aeabe8cff8ccb87442e8d39d8afaa70f47070b78b7810f52dc1e2
- MD5 4cffc382d316c4ab4042b33c1561f1b2
- SHA1 ef7e71d7a7d7127f4978e77ce20e3222c8673c83
- SHA512 8d83a06d890c85dc730df079ff3b681d0c049655c14c1093bdfad1a54918fbf54280aa1dfddf74a0a8dc72e2bb7f502ea984959d96609e232298f4dbceb89ef7
- SSDEEP 24576:bvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:bHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T144858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH