Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/06/2026, 12:10
Behavioral task
behavioral1
Sample
2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260604-pcgvgadz2x
- SHA256 26273a1b00e26310923ea5fa9d0c85e716d87650f2acfee842f229b9c22a8f77
- MD5 cc8ceb0e7a348624e9be9f1423e645c9
- SHA1 e457622fcf58e82dfa7bdf6e21af10a8ed255a3c
- SHA512 983018ba7d16c41f6568a9cba23a2b3747bcb9e52780c0509d846da84d5ead8c9ecc1e968c45ea01892963dd03fec0921cae6f1fc7c24b801ec2208b765e8e18
- SSDEEP 24576:ljHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:lTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T149658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000c00000002a053-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000c00000002a053-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/4320-0-0x0000000000220000-0x00000000002A9000-memory.dmp UPX behavioral2/files/0x000c00000002a053-2.dat UPX behavioral2/memory/2996-4-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/4320-10-0x0000000000220000-0x00000000002A9000-memory.dmp UPX behavioral2/memory/2996-12-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/4320-26-0x0000000000220000-0x00000000002A9000-memory.dmp UPX behavioral2/memory/2996-27-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/2996-39-0x00000000001C0000-0x0000000000249000-memory.dmp UPX behavioral2/memory/4320-54-0x0000000000220000-0x00000000002A9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2996 12f60b51 - 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 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 9 114.114.114.114 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 10 223.5.5.5 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 12f60b51 File created C:\Windows\SysWOW64\12f60b51 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 12f60b51 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 12f60b51 -
resource yara_rule behavioral2/memory/4320-0-0x0000000000220000-0x00000000002A9000-memory.dmp upx behavioral2/files/0x000c00000002a053-2.dat upx behavioral2/memory/2996-4-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/4320-10-0x0000000000220000-0x00000000002A9000-memory.dmp upx behavioral2/memory/2996-12-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/4320-26-0x0000000000220000-0x00000000002A9000-memory.dmp upx behavioral2/memory/2996-27-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/2996-39-0x00000000001C0000-0x0000000000249000-memory.dmp upx behavioral2/memory/4320-54-0x0000000000220000-0x00000000002A9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\334ae8 12f60b51 File opened for modification C:\Windows\49f5c0 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_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 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 12f60b51 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 12f60b51 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 12f60b51 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 12f60b51 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 12f60b51 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 12f60b51 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 12f60b51 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 12f60b51 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 12f60b51 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 12f60b51 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2996 12f60b51 2996 12f60b51 2996 12f60b51 2996 12f60b51 2996 12f60b51 2996 12f60b51 2996 12f60b51 2996 12f60b51 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4320 2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 2996 12f60b51 Token: SeTcbPrivilege 2996 12f60b51
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_cc8ceb0e7a348624e9be9f1423e645c9_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:4320
-
C:\Windows\Syswow64\12f60b51C:\Windows\Syswow64\12f60b511⤵
- 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:2996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\12f60b51
- Size 1.4MB
- SHA256 de002812d8f1071676c442e3a6a3ffd050e328d5c4856890b63b14e7e4c39765
- MD5 703b661873010b63b2e74c1b31615263
- SHA1 1e6b3d39c17316d341f9b3fcb1ea5eadf377c9a3
- SHA512 068645cda02595abfa6b30e758825e212ae952ae87cb3c5dda1d85b67a20d3d76bf10b142c86e00361e3d191c70749c119f5580ec9a3551ef9ae4facd6185a53
- SSDEEP 24576:DjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:DTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1B8658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH