Analysis
- max time kernel
148s - max time network
151s - 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, 00:30
Behavioral task
behavioral1
Sample
2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260802-atqrdaba23
- SHA256 ddacd91b81a6628504ca4af7b2a82d0e6bd41ff144c6a9a1740f17f40654c4eb
- MD5 7008c1b7730fa6bfb3f93fe717f9622a
- SHA1 7fe117dcdc54f703a7a5e8f947861e5d26c36931
- SHA512 0c3510e1e8f014c51a51ff336f505faedf1dfa0aae668c0381c8a64a52e58479ca96ee750297d468d3c71af23c1dd46bdbe3821641e338cae8e453b7a2552bb8
- SSDEEP 12288:MqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:MjHPOSOkx2LFscU6UQOJdT
- TLSH T121F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c00000001136a-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000c00000001136a-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/2868-0-0x0000000000B00000-0x0000000000B89000-memory.dmp UPX behavioral2/files/0x000c00000001136a-2.dat UPX behavioral2/memory/4760-3-0x0000000000B20000-0x0000000000BA9000-memory.dmp UPX behavioral2/memory/2868-10-0x0000000000B00000-0x0000000000B89000-memory.dmp UPX behavioral2/memory/4760-12-0x0000000000B20000-0x0000000000BA9000-memory.dmp UPX behavioral2/memory/2868-36-0x0000000000B00000-0x0000000000B89000-memory.dmp UPX behavioral2/memory/4760-37-0x0000000000B20000-0x0000000000BA9000-memory.dmp UPX behavioral2/memory/4760-45-0x0000000000B20000-0x0000000000BA9000-memory.dmp UPX behavioral2/memory/2868-49-0x0000000000B00000-0x0000000000B89000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4760 14b26cab - 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 1 114.114.114.114 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 9 114.114.114.114 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 10 223.5.5.5 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 14b26cab File created C:\Windows\SysWOW64\14b26cab 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 14b26cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 14b26cab -
resource yara_rule behavioral2/memory/2868-0-0x0000000000B00000-0x0000000000B89000-memory.dmp upx behavioral2/files/0x000c00000001136a-2.dat upx behavioral2/memory/4760-3-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2868-10-0x0000000000B00000-0x0000000000B89000-memory.dmp upx behavioral2/memory/4760-12-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2868-36-0x0000000000B00000-0x0000000000B89000-memory.dmp upx behavioral2/memory/4760-37-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/4760-45-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2868-49-0x0000000000B00000-0x0000000000B89000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\517e30 14b26cab File opened for modification C:\Windows\3119e8 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_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_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 14b26cab - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 14b26cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 14b26cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 14b26cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 14b26cab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 14b26cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 14b26cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 14b26cab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 14b26cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 14b26cab - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4760 14b26cab 4760 14b26cab 4760 14b26cab 4760 14b26cab 4760 14b26cab 4760 14b26cab 4760 14b26cab 4760 14b26cab 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 2868 2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 4760 14b26cab Token: SeTcbPrivilege 4760 14b26cab
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_7008c1b7730fa6bfb3f93fe717f9622a_coinminer_cryptolocker_elex_mafia_stealc_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:2868
-
C:\Windows\Syswow64\14b26cabC:\Windows\Syswow64\14b26cab1⤵
- 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:4760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\14b26cab
- Size 768KB
- SHA256 373a1e5c0862e72e013e22d78ed75e36986f1e7d837ccb80fb6e8af61fa0e020
- MD5 0c4f426992214eac0790e234992a9408
- SHA1 6a170bf625d7ca7dec7181b9d63bc697257b5179
- SHA512 17e8ccfd3156eb048973a91131b6874265b76935e1b688cfb60066b6fe084f8bc1ef1a188ceb352dcb4a0f6791323795ce880a673176d6fcef0f842c829513f7
- SSDEEP 12288:MqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:MjHPOSOkx2LFscU6UQOJdT
- TLSH T195F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH