Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 15:04
Behavioral task
behavioral1
Sample
2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 1.4MB
- Sample260416-sftvzse16w
- SHA256 adcd43859d7ee6bc4252e8c35e6c987d229398f4b930f49a4575de1ec12c6af5
- MD5 306ffa902a932254cdaf62ee3d418d3b
- SHA1 a122b9ca01d185b92c6cd7a038859565808e7d9a
- SHA512 ff11a29c77b6987602b4c52009f31ab18ccdc8022c6096e4bb864b296c776dc6db04fb9c941fd10e66e52581acb6ff38a2f6dc81d63f6f37108934c411eaf8de
- SSDEEP 24576:6jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:6TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T10F658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x002a00000002b142-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x002a00000002b142-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 17 IoCs
resource yara_rule behavioral2/memory/4480-0-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/files/0x002a00000002b142-2.dat UPX behavioral2/memory/844-4-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/4480-18-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/844-20-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/844-25-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/4480-42-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/844-44-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/4480-48-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/844-50-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/844-54-0x0000000000C00000-0x0000000000C89000-memory.dmp UPX behavioral2/memory/4480-60-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/4480-62-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/4480-64-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/4480-70-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/4480-74-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral2/memory/4480-78-0x00000000006B0000-0x0000000000739000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 844 296ba017 - Unexpected DNS network traffic destination 16 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 36 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 89 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 92 114.114.114.114 844 296ba017 Destination IP 232 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 288 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 149 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 231 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 319 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 35 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 289 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 1 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 88 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 101 223.5.5.5 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 147 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 318 114.114.114.114 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\296ba017 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 296ba017 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 296ba017 -
resource yara_rule behavioral2/memory/4480-0-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/files/0x002a00000002b142-2.dat upx behavioral2/memory/844-4-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/4480-18-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/844-20-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/844-25-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/4480-42-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/844-44-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/4480-48-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/844-50-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/844-54-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/4480-60-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4480-62-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4480-64-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4480-70-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4480-74-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4480-78-0x00000000006B0000-0x0000000000739000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\e7318 296ba017 File opened for modification C:\Windows\4cb300 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_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 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 296ba017 - 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\Cookies\CachePrefix = "Cookie:" 296ba017 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 296ba017 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 296ba017 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 296ba017 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 296ba017 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 296ba017 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 296ba017 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 296ba017 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 296ba017 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 844 296ba017 844 296ba017 844 296ba017 844 296ba017 844 296ba017 844 296ba017 844 296ba017 844 296ba017 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4480 2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 844 296ba017 Token: SeTcbPrivilege 844 296ba017
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-16_306ffa902a932254cdaf62ee3d418d3b_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_306ffa902a932254cdaf62ee3d418d3b_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:4480
-
C:\Windows\Syswow64\296ba017C:\Windows\Syswow64\296ba0171⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:844
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\296ba017
- Size 1.4MB
- SHA256 b774d4e443f742b4dbbd34c3afa6e9f41c0d96e9aa2cbb0bb97402ebc52e43fa
- MD5 41613fa152a3e3bb87b423615dec8d7d
- SHA1 2018acbffb6379a7a0fca35f2aac9ccbfd861e35
- SHA512 1d76f58bc12e43db80f7e9bb8c0d18aa0e22c4b59aed536fe38c5329bb16af794114d22cb4b6997ccef6354624805aeabe15d6d1c091ff34a5f7f64192a790bf
- SSDEEP 24576:gjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:gTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T102658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH