Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 09:49
Behavioral task
behavioral1
Sample
2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260804-ltcejaxblh
- SHA256 52d0a1f21d37dd6c1431aa439ad8cd56949f040e7f840c518e4efc0a45a04cf2
- MD5 c6a1a5121fd91b1c33f5a71cfa86b0b0
- SHA1 479154e99673e20896b980a9707e16f936e65c68
- SHA512 b4184d81dd4a5ded602a6b35bb25dc5c1804e918438de5b855032f05676a8304ce4003d564b406388cad35888ffcec7ddf044ea60e380870b837ab20503612db
- SSDEEP 24576:ijHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:iTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1BD658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000011371-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000011371-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/3336-0-0x0000000000BA0000-0x0000000000C29000-memory.dmp UPX behavioral2/files/0x000a000000011371-2.dat UPX behavioral2/memory/1688-3-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral2/memory/3336-16-0x0000000000BA0000-0x0000000000C29000-memory.dmp UPX behavioral2/memory/1688-18-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral2/memory/3336-31-0x0000000000BA0000-0x0000000000C29000-memory.dmp UPX behavioral2/memory/1688-32-0x00000000006C0000-0x0000000000749000-memory.dmp UPX behavioral2/memory/3336-41-0x0000000000BA0000-0x0000000000C29000-memory.dmp UPX behavioral2/memory/3336-49-0x0000000000BA0000-0x0000000000C29000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1688 de4b3e4c - 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 21 223.5.5.5 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 1 114.114.114.114 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 4 223.5.5.5 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 20 114.114.114.114 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\de4b3e4c 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de4b3e4c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de4b3e4c -
resource yara_rule behavioral2/memory/3336-0-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/files/0x000a000000011371-2.dat upx behavioral2/memory/1688-3-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral2/memory/3336-16-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/1688-18-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral2/memory/3336-31-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/1688-32-0x00000000006C0000-0x0000000000749000-memory.dmp upx behavioral2/memory/3336-41-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/3336-49-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1ce630 de4b3e4c File opened for modification C:\Windows\391d10 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_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 de4b3e4c Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - 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 de4b3e4c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" de4b3e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" de4b3e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" de4b3e4c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing de4b3e4c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" de4b3e4c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ de4b3e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" de4b3e4c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" de4b3e4c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 1688 de4b3e4c 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 3336 2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 1688 de4b3e4c Token: SeTcbPrivilege 1688 de4b3e4c
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_c6a1a5121fd91b1c33f5a71cfa86b0b0_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:3336
-
C:\Windows\Syswow64\de4b3e4cC:\Windows\Syswow64\de4b3e4c1⤵
- 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:1688
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\de4b3e4c
- Size 1.4MB
- SHA256 d63d64e26533ca13fde5fd929494c37a8617614bdc9079c3f91f4ca285d34afa
- MD5 4e65f959604c19ae89c14b9bc51109b1
- SHA1 f1778b37519b48951e5f0dd333c8afd6e766437e
- SHA512 3535285cefa9591fa6c8c245efff1c1a5d5952227645c03478e3211221c9cf543f55030366453da5fea91eb99e65a0d19ce9245547caabcff1304bda3011d14e
- SSDEEP 24576:jjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1CF658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH