Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 01:57
Behavioral task
behavioral1
Sample
2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260511-cdbzdsc18q
- SHA256 a4a27c8626092469f08194349a21904499bb7e78a0e3874d996f82a4a848eec2
- MD5 c95eade21a0cbfa21a98c861353896ac
- SHA1 d2fe76b83934974af467e3002630878a988d6fd0
- SHA512 27136ddf3d07075d204b6fbda6f1848b65c376cbea143e6b685466b369c55f0ca36ba51e45ac133da80a78c68f2d40f7a6975a5952336a2b61bbdb953b26125b
- SSDEEP 24576:sjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:sTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T148658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000000437-3.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000000437-3.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/memory/1136-0-0x0000000000330000-0x00000000003B9000-memory.dmp UPX behavioral2/files/0x0008000000000437-3.dat UPX behavioral2/memory/5072-4-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX behavioral2/memory/1136-10-0x0000000000330000-0x00000000003B9000-memory.dmp UPX behavioral2/memory/5072-12-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX behavioral2/memory/1136-26-0x0000000000330000-0x00000000003B9000-memory.dmp UPX behavioral2/memory/5072-28-0x0000000000DC0000-0x0000000000E49000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5072 baa935 - 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 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 9 114.114.114.114 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 10 223.5.5.5 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_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 baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 baa935 File created C:\Windows\SysWOW64\baa935 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 baa935 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 baa935 -
resource yara_rule behavioral2/memory/1136-0-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/files/0x0008000000000437-3.dat upx behavioral2/memory/5072-4-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx behavioral2/memory/1136-10-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/memory/5072-12-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx behavioral2/memory/1136-26-0x0000000000330000-0x00000000003B9000-memory.dmp upx behavioral2/memory/5072-28-0x0000000000DC0000-0x0000000000E49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56d5a0 baa935 File opened for modification C:\Windows\1372e0 2026-05-11_c95eade21a0cbfa21a98c861353896ac_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 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language baa935 - 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 baa935 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" baa935 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ baa935 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" baa935 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing baa935 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" baa935 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" baa935 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" baa935 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" baa935 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5072 baa935 5072 baa935 5072 baa935 5072 baa935 5072 baa935 5072 baa935 5072 baa935 5072 baa935 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 1136 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 5072 baa935 Token: SeTcbPrivilege 5072 baa935
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_c95eade21a0cbfa21a98c861353896ac_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:1136
-
C:\Windows\Syswow64\baa935C:\Windows\Syswow64\baa9351⤵
- 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:5072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\baa935
- Size 1.4MB
- SHA256 9a7bcd73ef69d99c6f3a703b132bd2cb28b0bd8aa4985f0d62cb0c76ffae2195
- MD5 cdf7985cb99098679a497108ec319472
- SHA1 ab5820a5332d9641050c8c9284b636b96c14f38c
- SHA512 bc7a669e0c9f807dd9e960fda97ad03a8dcf153982b69152d8c0cee23900d6a9db50b696cea325f759f2b9408a739e49e87640be7314fdaced6dc9c809f930a6
- SSDEEP 24576:LjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:LTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T181658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH