Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
07/05/2026, 12:58
Behavioral task
behavioral1
Sample
2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260507-p7mn7set2t
- SHA256 d020d52510c738bbae470f80893353be3cf4c6126ec741f76cf5b231b69ff3cc
- MD5 4e3e9e832ba22974b5469de5358d0ad1
- SHA1 cbb2ce4b3d8574801551bd6ea6b50f64bdcec7db
- SHA512 0c8c491efd29f8728640b2dfe043ca00e16a014fabe971021e615a5cb63ad57a53c39f7cef04f420c32cb56cb5942ec0631e96d462ad225bbc405d50646b00ea
- SSDEEP 24576:AjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ATGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T145658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000000d3f6-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000700000000d3f6-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/3048-0-0x0000000000410000-0x0000000000499000-memory.dmp UPX behavioral2/files/0x000700000000d3f6-2.dat UPX behavioral2/memory/1160-3-0x00000000000A0000-0x0000000000129000-memory.dmp UPX behavioral2/memory/3048-15-0x0000000000410000-0x0000000000499000-memory.dmp UPX behavioral2/memory/1160-17-0x00000000000A0000-0x0000000000129000-memory.dmp UPX behavioral2/memory/3048-26-0x0000000000410000-0x0000000000499000-memory.dmp UPX behavioral2/memory/1160-27-0x00000000000A0000-0x0000000000129000-memory.dmp UPX behavioral2/memory/3048-43-0x0000000000410000-0x0000000000499000-memory.dmp UPX behavioral2/memory/3048-45-0x0000000000410000-0x0000000000499000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1160 4f7e0ee6 - 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 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 10 114.114.114.114 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 11 223.5.5.5 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_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\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f7e0ee6 File created C:\Windows\SysWOW64\4f7e0ee6 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4f7e0ee6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4f7e0ee6 -
resource yara_rule behavioral2/memory/3048-0-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/files/0x000700000000d3f6-2.dat upx behavioral2/memory/1160-3-0x00000000000A0000-0x0000000000129000-memory.dmp upx behavioral2/memory/3048-15-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/1160-17-0x00000000000A0000-0x0000000000129000-memory.dmp upx behavioral2/memory/3048-26-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/1160-27-0x00000000000A0000-0x0000000000129000-memory.dmp upx behavioral2/memory/3048-43-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/3048-45-0x0000000000410000-0x0000000000499000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\13dc10 4f7e0ee6 File opened for modification C:\Windows\342ed0 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_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 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f7e0ee6 - 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 4f7e0ee6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4f7e0ee6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4f7e0ee6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4f7e0ee6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4f7e0ee6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4f7e0ee6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4f7e0ee6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4f7e0ee6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4f7e0ee6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 1160 4f7e0ee6 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 3048 2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 1160 4f7e0ee6 Token: SeTcbPrivilege 1160 4f7e0ee6
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-07_4e3e9e832ba22974b5469de5358d0ad1_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:3048
-
C:\Windows\Syswow64\4f7e0ee6C:\Windows\Syswow64\4f7e0ee61⤵
- 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:1160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4f7e0ee6
- Size 1.4MB
- SHA256 be7824c31e5b10e4a69ddcd69f95d1b4230e70b722da67f8e8b2c2e2b93f123d
- MD5 4dde502996afe13fa029d3d0c04b5105
- SHA1 d96f10a9c372631475564110846d243ae2ce5fd9
- SHA512 b9072e834e2b290ce16a3ec64f7fa0df1cff4c4bcc8bfd843ba4968ed6b321518bcd875d7b89ae142923304eb6c63d777c4a9e44ae37f11b8a04b263cdb8ac53
- SSDEEP 24576:qjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:qTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T11F658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH