Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/07/2026, 22:23
Behavioral task
behavioral1
Sample
2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260724-2bbchsvaph
- SHA256 5eb67e5a3ac3cbac21683aa949d787504b8a91a2f0661cdb0512a5e3ad432a14
- MD5 961fa9156fcdf4602be0d69fbf24c9ca
- SHA1 bfa1d560a1619733e2c35606c0219b2b9fb29159
- SHA512 4b957cd53a54c563fb26d46f0a9efe3416b212a336bb51766aebf16605276e661f1f10f3ba52b79c2f414652eab61e974ed97622c75c6ac4e360d5c0c96d81b3
- SSDEEP 24576:avO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:aHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T119858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x0008000000016b4d-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x0008000000016b4d-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4632-0-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/memory/4212-3-0x00000000009C0000-0x0000000000A4C000-memory.dmp UPX behavioral2/files/0x0008000000016b4d-2.dat UPX behavioral2/memory/4632-18-0x0000000000EA0000-0x0000000000F2C000-memory.dmp UPX behavioral2/memory/4212-19-0x00000000009C0000-0x0000000000A4C000-memory.dmp UPX behavioral2/memory/4212-28-0x00000000009C0000-0x0000000000A4C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4212 f90e2fad - 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 1 114.114.114.114 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 35 114.114.114.114 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 36 223.5.5.5 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\f90e2fad 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f90e2fad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f90e2fad -
resource yara_rule behavioral2/memory/4632-0-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/memory/4212-3-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/files/0x0008000000016b4d-2.dat upx behavioral2/memory/4632-18-0x0000000000EA0000-0x0000000000F2C000-memory.dmp upx behavioral2/memory/4212-19-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx behavioral2/memory/4212-28-0x00000000009C0000-0x0000000000A4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\481c68 f90e2fad File opened for modification C:\Windows\4f4d30 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_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 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f90e2fad - 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 f90e2fad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f90e2fad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f90e2fad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f90e2fad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f90e2fad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f90e2fad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f90e2fad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f90e2fad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f90e2fad - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4212 f90e2fad 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4632 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4212 f90e2fad Token: SeTcbPrivilege 4212 f90e2fad
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_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:4632
-
C:\Windows\Syswow64\f90e2fadC:\Windows\Syswow64\f90e2fad1⤵
- 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:4212
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f90e2fad
- Size 1.7MB
- SHA256 5078768bc362eda8ddd2722ea7bc6676e4ec0f82abb2bab16b03c776c0295f18
- MD5 c14d43b2e87c9e4b68a6de6998dd47b4
- SHA1 4962c5c49651ec9cd85ec52af74774acbac80fc6
- SHA512 561752969e252b67fcf5887e6ac45132fde6ce4d0d931f34c7150e760159138b69064dea810b96418828df6f2436f97465491dd08f17e6946c6b9c715c92443e
- SSDEEP 24576:gvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:gHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1B1858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH