Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/08/2026, 22:20
Behavioral task
behavioral1
Sample
2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260806-19cskavth1
- SHA256 6691bbba7947afa0a4112e85c966572c2d6d58e7396155c77f7af99481e1e624
- MD5 fd197de994e1afec370e890d8a4cfc17
- SHA1 71f1569e895f4ec5a16b682473651986c904d6df
- SHA512 efd2376bcd24140cc9668e0342fca5c8f6133dbb409a15e2114e23b6089f68dd17c05cbb5a7470e12e2d7b6a6d3a8384cdc7df592c67bd1e07081cc621f76530
- SSDEEP 24576:8jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:8TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1A3658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00050000000233a4-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00050000000233a4-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 16 IoCs
resource yara_rule behavioral1/memory/4524-0-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/files/0x00050000000233a4-2.dat UPX behavioral1/memory/1832-4-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/4524-16-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/1832-18-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/1832-19-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/4524-38-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/1832-39-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/4524-42-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/1832-43-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/4524-44-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/1832-45-0x00000000002E0000-0x0000000000369000-memory.dmp UPX behavioral1/memory/4524-49-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/4524-51-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/4524-56-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX behavioral1/memory/4524-60-0x0000000000B10000-0x0000000000B99000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1832 7e227a20 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 300 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 367 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 459 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 68 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 137 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 306 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 368 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 5 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 138 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 205 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 3 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 67 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 206 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 398 114.114.114.114 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 399 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 460 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 134 114.114.114.114 1832 7e227a20 Destination IP 146 223.5.5.5 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7e227a20 File created C:\Windows\SysWOW64\7e227a20 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7e227a20 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7e227a20 -
resource yara_rule behavioral1/memory/4524-0-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/files/0x00050000000233a4-2.dat upx behavioral1/memory/1832-4-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/4524-16-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/1832-18-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/1832-19-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/4524-38-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/1832-39-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/4524-42-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/1832-43-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/4524-44-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/1832-45-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral1/memory/4524-49-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/4524-51-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/4524-56-0x0000000000B10000-0x0000000000B99000-memory.dmp upx behavioral1/memory/4524-60-0x0000000000B10000-0x0000000000B99000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f5d50 7e227a20 File opened for modification C:\Windows\4d73d8 2026-08-06_fd197de994e1afec370e890d8a4cfc17_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 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7e227a20 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7e227a20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7e227a20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7e227a20 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7e227a20 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7e227a20 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7e227a20 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7e227a20 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7e227a20 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7e227a20 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1832 7e227a20 1832 7e227a20 1832 7e227a20 1832 7e227a20 1832 7e227a20 1832 7e227a20 1832 7e227a20 1832 7e227a20 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4524 2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 1832 7e227a20 Token: SeTcbPrivilege 1832 7e227a20
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_fd197de994e1afec370e890d8a4cfc17_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:4524
-
C:\Windows\Syswow64\7e227a20C:\Windows\Syswow64\7e227a201⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:1832
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\7e227a20
- Size 1.4MB
- SHA256 24770d06a863ec637f7ef15555efca61eeb6bc5700a92ce74c32ec7a699e4783
- MD5 1e8d21c04099db60b1bffd1ad2af4768
- SHA1 9c392ee6f71ffed08de48bf5a7fd9fd9d43dd94a
- SHA512 5d54d2a89bd521163a1711df960d682736a499c0dbbf725abdac91c99e8c50d6074c8b16f010e8dcca097398a4db4848622dabafa60ff091b9e1f5e483960455
- SSDEEP 24576:FjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:FTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1F1658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH