Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 00:27
Behavioral task
behavioral1
Sample
2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260802-ar6d2sah79
- SHA256 ba00d9212058e35fa6d3cbd2a9485d0e1ac41fc50ad2b2f9f6b6a4f467a49ade
- MD5 75639873aad80cf9505eab9bb9854025
- SHA1 12799340eda65efde91b74d39b4146401aabbb52
- SHA512 03b14fb822c14c2dd8ed21c10290ad629471fe730d97179f50b4acb957d266196b6a5a41036a70e1a6add82aae462b7afd7b10a9a07f458c7f40a83cd6ecb2ea
- SSDEEP 12288:GSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:lvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T17E357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001000000001b1ad-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001000000001b1ad-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4104-0-0x0000000000740000-0x00000000007CC000-memory.dmp UPX behavioral2/files/0x001000000001b1ad-2.dat UPX behavioral2/memory/1860-3-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/memory/4104-13-0x0000000000740000-0x00000000007CC000-memory.dmp UPX behavioral2/memory/1860-14-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/memory/1860-26-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1860 51a6bd46 - 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 24 114.114.114.114 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 25 223.5.5.5 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_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\3EC845F33427F1C99AF855BE8930371C 51a6bd46 File created C:\Windows\SysWOW64\51a6bd46 2026-08-01_75639873aad80cf9505eab9bb9854025_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 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 51a6bd46 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 51a6bd46 -
resource yara_rule behavioral2/memory/4104-0-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/files/0x001000000001b1ad-2.dat upx behavioral2/memory/1860-3-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/memory/4104-13-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/memory/1860-14-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/memory/1860-26-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1fd808 51a6bd46 File opened for modification C:\Windows\464310 2026-08-01_75639873aad80cf9505eab9bb9854025_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 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 51a6bd46 - 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 51a6bd46 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 51a6bd46 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 51a6bd46 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 51a6bd46 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 51a6bd46 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 51a6bd46 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 51a6bd46 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 51a6bd46 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 51a6bd46 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 1860 51a6bd46 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4104 2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1860 51a6bd46 Token: SeTcbPrivilege 1860 51a6bd46
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_75639873aad80cf9505eab9bb9854025_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_75639873aad80cf9505eab9bb9854025_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:4104
-
C:\Windows\Syswow64\51a6bd46C:\Windows\Syswow64\51a6bd461⤵
- 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:1860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\51a6bd46
- Size 1.1MB
- SHA256 4d498b2d9bf9d068d360db6672ae382e6289419eea459b037122749e1d973754
- MD5 260dacf9da18d9991aea3c3fc90b87db
- SHA1 af1e7773b3cd28f159fa0ef85f778623adcf5a15
- SHA512 3640932f18a4177d8df0f1adabf1aafcb83292e20596986e4e534a8822a7425e732eba45d4e074596b9a8c14332f3f09679f74a1fca331cb3e3690cca77d01b7
- SSDEEP 12288:bSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:uvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T188357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH