Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 03:59
Behavioral task
behavioral1
Sample
2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
- Size 768KB
- Sample260825-ej9hyswfrh
- SHA256 dd8d602abb1672230af207da5736f9aaf8b4fe37cc05420b0486c772b89e9ae1
- MD5 b07a8bf14418ba75a01a3f85c60840cb
- SHA1 7de421f3378447d7d3d3e4ad9a0127599d072a74
- SHA512 0d6bbf948876e34dc36c10ff098e0694217d72ae38584d084d27a5178a80726567e8434b51a750ff0c297835ae7bbe10b5cb3961ab896549a0be61c5fa4ef324
- SSDEEP 12288:eqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:ejHPOSOkx2LFscU6UQOJdT
- TLSH T1E2F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a00000001136f-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a00000001136f-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 11 IoCs
resource yara_rule behavioral2/memory/4548-0-0x0000000000DA0000-0x0000000000E29000-memory.dmp UPX behavioral2/files/0x000a00000001136f-2.dat UPX behavioral2/memory/5060-4-0x00000000003E0000-0x0000000000469000-memory.dmp UPX behavioral2/memory/4548-18-0x0000000000DA0000-0x0000000000E29000-memory.dmp UPX behavioral2/memory/5060-20-0x00000000003E0000-0x0000000000469000-memory.dmp UPX behavioral2/memory/5060-26-0x00000000003E0000-0x0000000000469000-memory.dmp UPX behavioral2/memory/4548-35-0x0000000000DA0000-0x0000000000E29000-memory.dmp UPX behavioral2/memory/5060-36-0x00000000003E0000-0x0000000000469000-memory.dmp UPX behavioral2/memory/5060-38-0x00000000003E0000-0x0000000000469000-memory.dmp UPX behavioral2/memory/4548-43-0x0000000000DA0000-0x0000000000E29000-memory.dmp UPX behavioral2/memory/4548-50-0x0000000000DA0000-0x0000000000E29000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5060 dd937a48 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 38 223.5.5.5 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 43 114.114.114.114 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 44 223.5.5.5 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 1 114.114.114.114 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 2 223.5.5.5 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Destination IP 37 114.114.114.114 5060 dd937a48 - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dd937a48 File created C:\Windows\SysWOW64\dd937a48 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dd937a48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dd937a48 -
resource yara_rule behavioral2/memory/4548-0-0x0000000000DA0000-0x0000000000E29000-memory.dmp upx behavioral2/files/0x000a00000001136f-2.dat upx behavioral2/memory/5060-4-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4548-18-0x0000000000DA0000-0x0000000000E29000-memory.dmp upx behavioral2/memory/5060-20-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/5060-26-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4548-35-0x0000000000DA0000-0x0000000000E29000-memory.dmp upx behavioral2/memory/5060-36-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/5060-38-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/4548-43-0x0000000000DA0000-0x0000000000E29000-memory.dmp upx behavioral2/memory/4548-50-0x0000000000DA0000-0x0000000000E29000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56a108 dd937a48 File opened for modification C:\Windows\4ddd08 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_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 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dd937a48 - 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\History\CachePrefix = "Visited:" dd937a48 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dd937a48 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dd937a48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dd937a48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dd937a48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dd937a48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dd937a48 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dd937a48 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dd937a48 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5060 dd937a48 5060 dd937a48 5060 dd937a48 5060 dd937a48 5060 dd937a48 5060 dd937a48 5060 dd937a48 5060 dd937a48 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeTcbPrivilege 4548 2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe Token: SeDebugPrivilege 5060 dd937a48 Token: SeTcbPrivilege 5060 dd937a48
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_b07a8bf14418ba75a01a3f85c60840cb_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:4548
-
C:\Windows\Syswow64\dd937a48C:\Windows\Syswow64\dd937a481⤵
- 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:5060
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dd937a48
- Size 768KB
- SHA256 7160a1f2f444d521c4ad8b8d217c541743639f90425e022e6862550aec75112d
- MD5 7acb023e9b61f52601de18c8ba88221f
- SHA1 fc55e33417c97fd6cff9357bb83ed05414660997
- SHA512 9dbfbeed484c5e62a37a5370d48cef69b847c815958994fe8f991803ad55211bab65a507dadf497a659d41aaa87772d28a5c4445a2c097830c863cdd4b1cfbbe
- SSDEEP 12288:rqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:rjHPOSOkx2LFscU6UQOJdT
- TLSH T19FF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH