Analysis
- max time kernel
149s - max time network
152s - 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, 07:47
Behavioral task
behavioral1
Sample
2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260804-jmh8dszsht
- SHA256 afe8c5a55d1abf550479070003b7fd0eec4609aa2279d55152f26a61f613ee34
- MD5 337a9ddad5cdc3d2c9e3c39451a2bee1
- SHA1 5581904a9bf661345d72036bc51e95e64de0e193
- SHA512 b57f7fb4161f68e6ae4d6b65c9f5193738f62fd6544d3e5d4c9e274569e5c7eb002865f2a11187a466e12f33ca8efd79fd738734ec82886e49e536ea6155cd9c
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:+vO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1D7256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00120000000243ce-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00120000000243ce-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4756-0-0x00000000001D0000-0x000000000025C000-memory.dmp UPX behavioral1/files/0x00120000000243ce-2.dat UPX behavioral1/memory/4492-4-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral1/memory/4756-12-0x00000000001D0000-0x000000000025C000-memory.dmp UPX behavioral1/memory/4492-13-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral1/memory/4492-23-0x00000000001E0000-0x000000000026C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4492 3facd566 - 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 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 7 223.5.5.5 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 39 114.114.114.114 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 40 223.5.5.5 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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\Content.IE5 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3facd566 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3facd566 File created C:\Windows\SysWOW64\3facd566 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe -
resource yara_rule behavioral1/memory/4756-0-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral1/files/0x00120000000243ce-2.dat upx behavioral1/memory/4492-4-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral1/memory/4756-12-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral1/memory/4492-13-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral1/memory/4492-23-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ce798 3facd566 File opened for modification C:\Windows\516ca8 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3facd566 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3facd566 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3facd566 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3facd566 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3facd566 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3facd566 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3facd566 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3facd566 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3facd566 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3facd566 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4492 3facd566 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4756 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4492 3facd566 Token: SeTcbPrivilege 4492 3facd566
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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:4756
-
C:\Windows\Syswow64\3facd566C:\Windows\Syswow64\3facd5661⤵
- 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:4492
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3facd566
- Size 1022KB
- SHA256 4b89805d9245dddd59fe8d76e842d7c23d0cfbcd5d87e5b198899cfb982ffb48
- MD5 b79e30fcb40f5451f6d63a9fd62f64c7
- SHA1 3d0707de8fea75422bd61363855c033b0b5e2168
- SHA512 bdfd52dddf66940496b825729cd9d5cbb77c5aa2205ebf3c426c9a652d80e3a44026bbbad8a1a22f9cd3437d9c744d1405be7fa213ed7aa192d6f0239cf28f53
- SSDEEP 12288:3SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:CvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T11C256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH