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
20/08/2026, 05:54
Behavioral task
behavioral1
Sample
2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260709-en
13 signatures
150 seconds
General
- Target 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260820-gmdlssbf47
- SHA256 2937b6ce69c97235317c382a8c9cbdfa1013049bc7fcfca94d25b8078be17b80
- MD5 574f54f41614e116fcead06a4c64b3cf
- SHA1 93fdf00247bb076c88f45dff7d41536c9aabcf65
- SHA512 893faa00d61b635f445827fa45376c882fe4412a9e2fc480d378e7f45440ebc4c43bfe03b2d5d1c65959d49a0bf239393b7dca1f10ae2c59b8abc15a127c611c
- SSDEEP 24576:pvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:pHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T183858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00050000000233a4-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00050000000233a4-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4852-0-0x00000000005F0000-0x000000000067C000-memory.dmp UPX behavioral1/files/0x00050000000233a4-2.dat UPX behavioral1/memory/3352-4-0x0000000000EC0000-0x0000000000F4C000-memory.dmp UPX behavioral1/memory/4852-10-0x00000000005F0000-0x000000000067C000-memory.dmp UPX behavioral1/memory/3352-11-0x0000000000EC0000-0x0000000000F4C000-memory.dmp UPX behavioral1/memory/3352-27-0x0000000000EC0000-0x0000000000F4C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3352 b6b79cb2 - 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 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 56 114.114.114.114 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 57 223.5.5.5 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b6b79cb2 File created C:\Windows\SysWOW64\b6b79cb2 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b6b79cb2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b6b79cb2 -
resource yara_rule behavioral1/memory/4852-0-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral1/files/0x00050000000233a4-2.dat upx behavioral1/memory/3352-4-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/4852-10-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral1/memory/3352-11-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/3352-27-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\396330 b6b79cb2 File opened for modification C:\Windows\531168 2026-08-20_574f54f41614e116fcead06a4c64b3cf_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 b6b79cb2 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-20_574f54f41614e116fcead06a4c64b3cf_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\Content\CachePrefix b6b79cb2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b6b79cb2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b6b79cb2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b6b79cb2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b6b79cb2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b6b79cb2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b6b79cb2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b6b79cb2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b6b79cb2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 3352 b6b79cb2 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4852 2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3352 b6b79cb2 Token: SeTcbPrivilege 3352 b6b79cb2
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_574f54f41614e116fcead06a4c64b3cf_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_574f54f41614e116fcead06a4c64b3cf_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:4852
-
C:\Windows\Syswow64\b6b79cb2C:\Windows\Syswow64\b6b79cb21⤵
- 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:3352
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b6b79cb2
- Size 1.7MB
- SHA256 486cb58082adc0bd0ab9e4b8fab424bd5a63666529b448adfe96944e8fffc0a5
- MD5 e7daefbc72ec64e391948e96502ad2e5
- SHA1 9d362b2487c031265816d748b162ebdc253bfff4
- SHA512 84a2cd2e654a57372e14ddd2f82f35ce569665a9f1f1369aa5be1021b8f234444c13ca615ddc7ff5e3224c211ecd8991e575e3a572554564a28915822fa57f6f
- SSDEEP 24576:RvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:RHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T131858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH