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
29/06/2026, 00:17
Behavioral task
behavioral1
Sample
2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win11ltsc2024-20260618-en
windows11-ltsc_2024-x64
24 signatures
150 seconds
General
- Target 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260629-aldrvahv21
- SHA256 c82a63ad113a49e0c44338ed9f5ab4ecc83ea1c85d3bb06cd3f272586163cbd9
- MD5 14efa938725a079ee490e0c6f976c3c8
- SHA1 c00d2e8b213ef9757a4fb4b037604167a6e63e63
- SHA512 ab241c98208c3ad317109b90efd61282f7814da332ec4f3ca58927e339aeb24566bf2cd92abad7eedb21f0a9f3047b8d16eb9c3608c71172885cac4f4484fd35
- SSDEEP 24576:3jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:3TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T163658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x002000000002438b-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x002000000002438b-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/memory/4508-0-0x0000000000BF0000-0x0000000000C79000-memory.dmp UPX behavioral1/files/0x002000000002438b-2.dat UPX behavioral1/memory/4344-4-0x0000000000F10000-0x0000000000F99000-memory.dmp UPX behavioral1/memory/4508-10-0x0000000000BF0000-0x0000000000C79000-memory.dmp UPX behavioral1/memory/4344-13-0x0000000000F10000-0x0000000000F99000-memory.dmp UPX behavioral1/memory/4508-24-0x0000000000BF0000-0x0000000000C79000-memory.dmp UPX behavioral1/memory/4344-25-0x0000000000F10000-0x0000000000F99000-memory.dmp UPX behavioral1/memory/4508-41-0x0000000000BF0000-0x0000000000C79000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4344 62821edd - 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 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 4 223.5.5.5 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 61 114.114.114.114 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 62 223.5.5.5 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 62821edd File created C:\Windows\SysWOW64\62821edd 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 62821edd File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 62821edd -
resource yara_rule behavioral1/memory/4508-0-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral1/files/0x002000000002438b-2.dat upx behavioral1/memory/4344-4-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/4508-10-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral1/memory/4344-13-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/4508-24-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx behavioral1/memory/4344-25-0x0000000000F10000-0x0000000000F99000-memory.dmp upx behavioral1/memory/4508-41-0x0000000000BF0000-0x0000000000C79000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a5ef0 62821edd File opened for modification C:\Windows\4d2db8 2026-06-28_14efa938725a079ee490e0c6f976c3c8_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 62821edd Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_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 62821edd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 62821edd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 62821edd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 62821edd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 62821edd Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 62821edd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 62821edd Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 62821edd Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 62821edd - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4344 62821edd 4344 62821edd 4344 62821edd 4344 62821edd 4344 62821edd 4344 62821edd 4344 62821edd 4344 62821edd 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4508 2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 4344 62821edd Token: SeTcbPrivilege 4344 62821edd
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_14efa938725a079ee490e0c6f976c3c8_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_14efa938725a079ee490e0c6f976c3c8_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:4508
-
C:\Windows\Syswow64\62821eddC:\Windows\Syswow64\62821edd1⤵
- 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:4344
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\62821edd
- Size 1.4MB
- SHA256 1f8b6e643383deb1aed53020e068c5087ec828b4ee7f28121e221bbae2429a4f
- MD5 87a260f8fcd62d5cbf61129d74f1a325
- SHA1 ec698300600f174810ba3c19551f347f50eda94c
- SHA512 0613bd67f3c6627d0c6561608b9f38f6c708f65e43335f3502ca4f5cbd78f572d8ddc33798ca49a2f2b17df9b49f569f28f034de5b5b6e82f68c058cc2991ecb
- SSDEEP 24576:TjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:TTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1F6658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH