Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 00:08
Behavioral task
behavioral1
Sample
2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260809-aezqqswhka
- SHA256 0b7adb6f4f5a252eb7a7a6ffff3d43c2acbae4e3c774fe3bf83ea10a7d6eb7de
- MD5 ae31531cf5ff244bf5516fa6dc86e373
- SHA1 da623061c6229d6407773996506964ae6635804c
- SHA512 eb860ab95da9b73c300bba21099e1ee521488bc04cd602f60337e523b51fda93ca7d8f54435b171b050d773d892e6184780abcbc3251f103823df110a728adb8
- SSDEEP 12288:OqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:OjHPOSOkx2LFscU6UQOJdT
- TLSH T1EBF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001b87e-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000b00000001b87e-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/1796-0-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/files/0x000b00000001b87e-2.dat UPX behavioral2/memory/5816-3-0x0000000000F60000-0x0000000000FE9000-memory.dmp UPX behavioral2/memory/1796-10-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/memory/5816-12-0x0000000000F60000-0x0000000000FE9000-memory.dmp UPX behavioral2/memory/1796-33-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/memory/5816-34-0x0000000000F60000-0x0000000000FE9000-memory.dmp UPX behavioral2/memory/1796-46-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/memory/1796-47-0x0000000000480000-0x0000000000509000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5816 82849b6d - 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 4 114.114.114.114 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 5 223.5.5.5 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 11 114.114.114.114 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 12 223.5.5.5 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\82849b6d 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 82849b6d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 82849b6d -
resource yara_rule behavioral2/memory/1796-0-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/files/0x000b00000001b87e-2.dat upx behavioral2/memory/5816-3-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/1796-10-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/memory/5816-12-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/1796-33-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/memory/5816-34-0x0000000000F60000-0x0000000000FE9000-memory.dmp upx behavioral2/memory/1796-46-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/memory/1796-47-0x0000000000480000-0x0000000000509000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\639270 82849b6d File opened for modification C:\Windows\1ebf88 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_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 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 82849b6d - 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\History\CachePrefix = "Visited:" 82849b6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 82849b6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 82849b6d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 82849b6d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 82849b6d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 82849b6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 82849b6d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 82849b6d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 82849b6d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5816 82849b6d 5816 82849b6d 5816 82849b6d 5816 82849b6d 5816 82849b6d 5816 82849b6d 5816 82849b6d 5816 82849b6d 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 1796 2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 5816 82849b6d Token: SeTcbPrivilege 5816 82849b6d
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_ae31531cf5ff244bf5516fa6dc86e373_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:1796
-
C:\Windows\Syswow64\82849b6dC:\Windows\Syswow64\82849b6d1⤵
- 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:5816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\82849b6d
- Size 768KB
- SHA256 5c8d2a9d27b1c71f8b1e7f92968e2355ea615aee66815e08c9e6c56773115556
- MD5 8f8a22c0698b83b00609e975ca4ce182
- SHA1 dab73594aeac4f5f6e6d530e16ffcbde8c158fb7
- SHA512 c8773449d7f6f1b27b149de45b0a091ccb609214dfe3c9182f983f3a7a393520f12d53582fa5a69e50148eb61a6f4be842662688dc13f21ca7a380befbbc2f5d
- SSDEEP 12288:/qXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:/jHPOSOkx2LFscU6UQOJdT
- TLSH T196F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH