Analysis
- max time kernel
149s - max time network
157s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/05/2026, 01:02
Behavioral task
behavioral1
Sample
2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260518-bd2pdaav5l
- SHA256 235fd0acc64fecb7bacc5a3fef11b1e3e8122bafc4e3a1ea8e3faf1edadc18fb
- MD5 1e2e89358eb223a245aadecb6a138c50
- SHA1 16e7fe73bc1b08fadf51aff2a48ccda90bf1c728
- SHA512 3c486d146dde918a8a9cbecad3df5cbac129a7bbedf8c75ad6fbef5ab481c49bc974287efb5d0739cb5432bb25d4f6599b74ac6c7e6e4d0717714a8ff3bf4eaa
- SSDEEP 6144:lUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:lYsVOdhElvkCgvDLe4usOkxHy
- TLSH T1FFC48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/5212-0-0x0000000000220000-0x00000000002AC000-memory.dmp UPX behavioral2/files/0x002400000002b49b-2.dat UPX behavioral2/memory/5176-4-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX behavioral2/memory/5212-18-0x0000000000220000-0x00000000002AC000-memory.dmp UPX behavioral2/memory/5176-19-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX behavioral2/memory/5176-30-0x0000000000DC0000-0x0000000000E4C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5176 f377b520 - 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 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 22 114.114.114.114 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 23 223.5.5.5 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\f377b520 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f377b520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f377b520 -
resource yara_rule behavioral2/memory/5212-0-0x0000000000220000-0x00000000002AC000-memory.dmp upx behavioral2/files/0x002400000002b49b-2.dat upx behavioral2/memory/5176-4-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/memory/5212-18-0x0000000000220000-0x00000000002AC000-memory.dmp upx behavioral2/memory/5176-19-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx behavioral2/memory/5176-30-0x0000000000DC0000-0x0000000000E4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\589d70 f377b520 File opened for modification C:\Windows\593b38 2026-05-18_1e2e89358eb223a245aadecb6a138c50_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 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f377b520 - 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 f377b520 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f377b520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f377b520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f377b520 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f377b520 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f377b520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f377b520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f377b520 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f377b520 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5176 f377b520 5176 f377b520 5176 f377b520 5176 f377b520 5176 f377b520 5176 f377b520 5176 f377b520 5176 f377b520 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 5212 2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 5176 f377b520 Token: SeTcbPrivilege 5176 f377b520
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-18_1e2e89358eb223a245aadecb6a138c50_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-18_1e2e89358eb223a245aadecb6a138c50_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:5212
-
C:\Windows\Syswow64\f377b520C:\Windows\Syswow64\f377b5201⤵
- 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:5176
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f377b520
- Size 560KB
- SHA256 48c187ae02d6f6e490500506d3836bac0c713267f60b5773734858f04875548d
- MD5 9304d1c6aa4d109196037de9e2a3b75d
- SHA1 7c157b0da99427f7c155fcb120d90215695debe6
- SHA512 34bcd06da452ce4578644a0ae40e518a9b99572b0920a526ace9e8252b4b3326fd8c02dcd8de0ecdfbf77055ac75010b0a227eb17af7873065e2707ce142889a
- SSDEEP 6144:mUJJuV1cdhIoA7vJ0CLoCgvDLe4AmFvirGcEOkCybEaQRuy8K:mYsVOdhElvkCgvDLe4usOkxHy
- TLSH T133C48D29B6D0C036C5B39574C4A186BAEAB17432372549CFA3D5475A0F337E2BA7930E
- MD5 SHA1 SHA512 SSDEEP TLSH