Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/07/2026, 22:30
Behavioral task
behavioral1
Sample
2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260730-2e37psgf45
- SHA256 61a2f779effcd8555971f64040e366656efc6bdf50f505f7c154fa19cf992c06
- MD5 5da7492baf5fec1851ea2d1a8459d157
- SHA1 c67c41a512079001b2f601b3f93cd67aacd08b40
- SHA512 63d6dc1a6a6f3dafbca415a248c5f0bad5a44d401a1fdf15bdafa57bc8c3bf0f5a9b27f75e9b97b20ebb967e03bf22acca61335bfd059751d5dbe0f84467a185
- SSDEEP 12288:aqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:ajHPOSOkx2LFscU6UQOJdT
- TLSH T1EBF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d0000000242c7-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d0000000242c7-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral1/memory/4304-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp UPX behavioral1/files/0x000d0000000242c7-2.dat UPX behavioral1/memory/1280-4-0x0000000000100000-0x0000000000189000-memory.dmp UPX behavioral1/memory/4304-10-0x0000000000E40000-0x0000000000EC9000-memory.dmp UPX behavioral1/memory/1280-12-0x0000000000100000-0x0000000000189000-memory.dmp UPX behavioral1/memory/1280-20-0x0000000000100000-0x0000000000189000-memory.dmp UPX behavioral1/memory/4304-33-0x0000000000E40000-0x0000000000EC9000-memory.dmp UPX behavioral1/memory/1280-34-0x0000000000100000-0x0000000000189000-memory.dmp UPX behavioral1/memory/4304-47-0x0000000000E40000-0x0000000000EC9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1280 b7841548 - 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 37 114.114.114.114 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 39 223.5.5.5 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 3 114.114.114.114 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 4 223.5.5.5 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b7841548 File created C:\Windows\SysWOW64\b7841548 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b7841548 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b7841548 -
resource yara_rule behavioral1/memory/4304-0-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral1/files/0x000d0000000242c7-2.dat upx behavioral1/memory/1280-4-0x0000000000100000-0x0000000000189000-memory.dmp upx behavioral1/memory/4304-10-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral1/memory/1280-12-0x0000000000100000-0x0000000000189000-memory.dmp upx behavioral1/memory/1280-20-0x0000000000100000-0x0000000000189000-memory.dmp upx behavioral1/memory/4304-33-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral1/memory/1280-34-0x0000000000100000-0x0000000000189000-memory.dmp upx behavioral1/memory/4304-47-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\15ea00 b7841548 File opened for modification C:\Windows\49afa0 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_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 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7841548 - 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 b7841548 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b7841548 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b7841548 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b7841548 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b7841548 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b7841548 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b7841548 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b7841548 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b7841548 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA b7841548 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 b7841548 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1280 b7841548 1280 b7841548 1280 b7841548 1280 b7841548 1280 b7841548 1280 b7841548 1280 b7841548 1280 b7841548 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4304 2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 1280 b7841548 Token: SeTcbPrivilege 1280 b7841548
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_5da7492baf5fec1851ea2d1a8459d157_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_5da7492baf5fec1851ea2d1a8459d157_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:4304
-
C:\Windows\Syswow64\b7841548C:\Windows\Syswow64\b78415481⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1280
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b7841548
- Size 768KB
- SHA256 6f7c538257609b3688eea78f77bd77a867735ef4f2ceeaf7fa9f599f2a8827c6
- MD5 49707400274f3f8afa53d10830d4314b
- SHA1 654ba7b1e9b94320f7b347a35676448b0b785dd2
- SHA512 c8efbb64fac4848d5fe53f7d06a74e410f5b0e80f77d5e2db664b09a936e95c9be10fa364c7d74d07ae73348d68fb3bab992adeb4227c060a2119451ea7c3d12
- SSDEEP 12288:RqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:RjHPOSOkx2LFscU6UQOJdT
- TLSH T14BF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH