Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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
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 behavioral1/files/0x0008000000021698-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0008000000021698-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral1/memory/4640-0-0x0000000000380000-0x0000000000409000-memory.dmp UPX behavioral1/files/0x0008000000021698-2.dat UPX behavioral1/memory/864-4-0x0000000000780000-0x0000000000809000-memory.dmp UPX behavioral1/memory/4640-10-0x0000000000380000-0x0000000000409000-memory.dmp UPX behavioral1/memory/864-12-0x0000000000780000-0x0000000000809000-memory.dmp UPX behavioral1/memory/4640-21-0x0000000000380000-0x0000000000409000-memory.dmp UPX behavioral1/memory/864-22-0x0000000000780000-0x0000000000809000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 864 f1555111 - 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 4 223.5.5.5 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 26 114.114.114.114 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 27 223.5.5.5 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 3 114.114.114.114 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\f1555111 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\Content.IE5 f1555111 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f1555111 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f1555111 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f1555111 -
resource yara_rule behavioral1/memory/4640-0-0x0000000000380000-0x0000000000409000-memory.dmp upx behavioral1/files/0x0008000000021698-2.dat upx behavioral1/memory/864-4-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral1/memory/4640-10-0x0000000000380000-0x0000000000409000-memory.dmp upx behavioral1/memory/864-12-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral1/memory/4640-21-0x0000000000380000-0x0000000000409000-memory.dmp upx behavioral1/memory/864-22-0x0000000000780000-0x0000000000809000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\ecac0 f1555111 File opened for modification C:\Windows\4f7040 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 f1555111 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f1555111 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f1555111 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f1555111 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f1555111 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f1555111 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f1555111 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f1555111 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f1555111 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 864 f1555111 864 f1555111 864 f1555111 864 f1555111 864 f1555111 864 f1555111 864 f1555111 864 f1555111 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4640 2026-05-11_c95eade21a0cbfa21a98c861353896ac_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 864 f1555111 Token: SeTcbPrivilege 864 f1555111
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:4640
-
C:\Windows\Syswow64\f1555111C:\Windows\Syswow64\f15551111⤵
- 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:864
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f1555111
- Size 1.4MB
- SHA256 ba909383d8b489c50d8f6b0df722208f0614a1a2f1dbfe227963c9a4ee9dcebc
- MD5 50f6a3364e35920773a5b0611fe8d6a8
- SHA1 b87afa586bc7bf545291edd68522bdee8a07454d
- SHA512 f34add65f75703719b2d5b3df253ad42b56f5b483e65412b437bca221c9eed4d61aaeefb4a421d6bf7d2774c8d3b7b8b515a9d3bfdcf7b4a0514413ea794849d
- SSDEEP 24576:jjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T197658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH