Analysis
- max time kernel
149s - max time network
151s - 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, 01:06
Behavioral task
behavioral1
Sample
2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win11-20260130-en
windows11-21h2-x64
13 signatures
150 seconds
General
- Target 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260511-bgcjnact9j
- SHA256 f1a4b1f417dff2a47a5ce3f6a1f0ce6556d7c5291a2b3738c35dfd546d16f3d0
- MD5 6d84db5cbb88e4521e206de6aecd178c
- SHA1 7795484b8ca0f8a406b5a27ffa1dd2841d3ef899
- SHA512 6ed75b1a357d9f0d5e54c93dd8f2f3db3e2880e1af640aff66ad6273cf0fc4a73f4dcc12c5423c20b6f2ffb01016ae88aedaa85d4d8182295239bbaa36f12857
- SSDEEP 12288:HqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:HjHPOSOkx2LFscU6UQOJdT
- TLSH T105F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a00000002166e-3.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a00000002166e-3.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral1/memory/4176-0-0x0000000000C30000-0x0000000000CB9000-memory.dmp UPX behavioral1/files/0x000a00000002166e-3.dat UPX behavioral1/memory/4540-4-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral1/memory/4176-10-0x0000000000C30000-0x0000000000CB9000-memory.dmp UPX behavioral1/memory/4540-12-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral1/memory/4176-29-0x0000000000C30000-0x0000000000CB9000-memory.dmp UPX behavioral1/memory/4540-30-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral1/memory/4540-44-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral1/memory/4540-45-0x00000000006C0000-0x0000000000749000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4540 fdb9d942 - 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 31 223.5.5.5 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 3 114.114.114.114 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 4 223.5.5.5 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 29 114.114.114.114 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_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\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fdb9d942 File created C:\Windows\SysWOW64\fdb9d942 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fdb9d942 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fdb9d942 -
resource yara_rule behavioral1/memory/4176-0-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral1/files/0x000a00000002166e-3.dat upx behavioral1/memory/4540-4-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral1/memory/4176-10-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral1/memory/4540-12-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral1/memory/4176-29-0x0000000000C30000-0x0000000000CB9000-memory.dmp upx behavioral1/memory/4540-30-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral1/memory/4540-44-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral1/memory/4540-45-0x00000000006C0000-0x0000000000749000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4db9f8 fdb9d942 File opened for modification C:\Windows\477ea0 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_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 fdb9d942 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fdb9d942 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fdb9d942 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fdb9d942 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fdb9d942 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fdb9d942 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fdb9d942 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fdb9d942 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fdb9d942 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fdb9d942 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA fdb9d942 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 fdb9d942 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4540 fdb9d942 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4176 2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 4540 fdb9d942 Token: SeTcbPrivilege 4540 fdb9d942
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_6d84db5cbb88e4521e206de6aecd178c_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_6d84db5cbb88e4521e206de6aecd178c_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:4176
-
C:\Windows\Syswow64\fdb9d942C:\Windows\Syswow64\fdb9d9421⤵
- 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:4540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fdb9d942
- Size 768KB
- SHA256 50c34c927285af4e535a413ed60da9248d9d1035ae5a4c1730bb10671bb5f7c4
- MD5 8c6761a3a0345d3a9e14bc380d05d836
- SHA1 743361d975058d012876d8da6bb51ae189a681f5
- SHA512 61ae7206e5ea0b04571dbf4312bd77a3adc3507fb347c1fb0a8d2c04dd9699926631be41d25082a377e7c4a8eb274edd9a55bc61ba9fb9d22f218a0d75e67b2a
- SSDEEP 12288:BqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:BjHPOSOkx2LFscU6UQOJdT
- TLSH T131F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH