Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/08/2026, 04:07
Behavioral task
behavioral1
Sample
2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260823-eppqqsdr9t
- SHA256 313c321a0dba12873e795d328402d1825ed6d06f72b7efecd97738eae9b0f606
- MD5 9b2b5fa3de8cb235267ef129c3a6c1c9
- SHA1 0b82dbb7b4e8d66548dd5581b050b9c2c5ab3e9b
- SHA512 1d83060f8b4f7448027e879ed2d3778dd30892fd92442dd6401686f74354e90afa47aed0e53a1e5a7f62976be3f62ec6deec80d9dc90b81b615db616c61ebc62
- SSDEEP 12288:5SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:AvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1AE357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000f0000000231f3-3.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000f0000000231f3-3.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4724-0-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral1/memory/6112-4-0x0000000000FA0000-0x000000000102C000-memory.dmp UPX behavioral1/files/0x000f0000000231f3-3.dat UPX behavioral1/memory/4724-15-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral1/memory/6112-16-0x0000000000FA0000-0x000000000102C000-memory.dmp UPX behavioral1/memory/6112-29-0x0000000000FA0000-0x000000000102C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 6112 fa3dbcd0 - Unexpected DNS network traffic destination 6 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 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 46 114.114.114.114 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 48 223.5.5.5 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 139 114.114.114.114 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 140 223.5.5.5 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\fa3dbcd0 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_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 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa3dbcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa3dbcd0 -
resource yara_rule behavioral1/memory/4724-0-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral1/memory/6112-4-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/files/0x000f0000000231f3-3.dat upx behavioral1/memory/4724-15-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral1/memory/6112-16-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/memory/6112-29-0x0000000000FA0000-0x000000000102C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\68a3c0 fa3dbcd0 File opened for modification C:\Windows\50e068 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_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 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fa3dbcd0 - 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 fa3dbcd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fa3dbcd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fa3dbcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fa3dbcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fa3dbcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fa3dbcd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fa3dbcd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fa3dbcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fa3dbcd0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 6112 fa3dbcd0 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4724 2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 6112 fa3dbcd0 Token: SeTcbPrivilege 6112 fa3dbcd0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_9b2b5fa3de8cb235267ef129c3a6c1c9_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:4724
-
C:\Windows\Syswow64\fa3dbcd0C:\Windows\Syswow64\fa3dbcd01⤵
- 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:6112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fa3dbcd0
- Size 1.1MB
- SHA256 14e5126a843a98cfb685e6c64b358e32af4047c27b5190cc718c9d155147d860
- MD5 00fb3f41081a4d91454465516b35d394
- SHA1 10885839d714a2a5e54c13edd3d9e7bcd8db8396
- SHA512 6e0cffa41301b2afab2fa44fa26d8c8eb35646b60113630201e78623d4912e899dca07bf8421f92ddbd735b7127c4007973c788b007370f1ac9f11ad3cf1ebf6
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:mvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T113357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH