Analysis
- max time kernel
148s - max time network
152s - 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, 07:10
Behavioral task
behavioral1
Sample
2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 761KB
- Sample260804-hzh8gsfa38
- SHA256 87f21502bd1340ad3295485bca7b3ee590c78b781756a7d5cad6658a734ce8e9
- MD5 5b4609bee5254d38c1a71ca0d60c6b2b
- SHA1 46f412ee4f52a877ca487618580782680dd40f33
- SHA512 6637485f885fc64b06e3e19748dcfc93c2d66c7f452f0b4bac723eee803b08d81d5cf940ac31c56577179a5f61b0274aa1a46b48d1ae3960be8d329d3b85776a
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:wvO2xJKRw2kOkxSkW298B
- TLSH T13BF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3008-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp UPX behavioral2/files/0x000f000000016cdf-2.dat UPX behavioral2/memory/4136-3-0x0000000000D80000-0x0000000000E0C000-memory.dmp UPX behavioral2/memory/3008-10-0x0000000000C10000-0x0000000000C9C000-memory.dmp UPX behavioral2/memory/4136-11-0x0000000000D80000-0x0000000000E0C000-memory.dmp UPX behavioral2/memory/4136-36-0x0000000000D80000-0x0000000000E0C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4136 f91fce84 - 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 4 223.5.5.5 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 13 114.114.114.114 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 14 223.5.5.5 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 3 114.114.114.114 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.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\3EC845F33427F1C99AF855BE8930371C f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f91fce84 File created C:\Windows\SysWOW64\f91fce84 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f91fce84 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f91fce84 -
resource yara_rule behavioral2/memory/3008-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/files/0x000f000000016cdf-2.dat upx behavioral2/memory/4136-3-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/3008-10-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral2/memory/4136-11-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx behavioral2/memory/4136-36-0x0000000000D80000-0x0000000000E0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46cf50 f91fce84 File opened for modification C:\Windows\337f80 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.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 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f91fce84 - 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" f91fce84 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f91fce84 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f91fce84 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f91fce84 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f91fce84 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f91fce84 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f91fce84 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f91fce84 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f91fce84 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4136 f91fce84 4136 f91fce84 4136 f91fce84 4136 f91fce84 4136 f91fce84 4136 f91fce84 4136 f91fce84 4136 f91fce84 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 3008 2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4136 f91fce84 Token: SeTcbPrivilege 4136 f91fce84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.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:3008
-
C:\Windows\Syswow64\f91fce84C:\Windows\Syswow64\f91fce841⤵
- 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:4136
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f91fce84
- Size 761KB
- SHA256 91bcc760b0467a23b95126b08ccb65b98a9eff0cae8e2abdc7f90ee957887940
- MD5 3db8cd93fa1553da4cd2fe87846ae2c2
- SHA1 48e88ad202d78c78808f2b80d1c85bf0e08f2cf7
- SHA512 d2b6a0a98be6061c37f2990dff5fde99c5189f2c372950d5a0eb39fec536f889715c4689ab5ab1832a848e16e7b56aba4cf7f814a2c73543c079b7254ad4b463
- SSDEEP 12288:oSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:jvO2xJKRw2kOkxSkW298B
- TLSH T156F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH