Analysis
- max time kernel
149s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
20/04/2026, 19:02
Behavioral task
behavioral1
Sample
2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 560KB
- Sample260420-xpsrhaex5v
- SHA256 e6c523be97942d878cb299a24c00ed9ec9c8aef912cf5c13a3d94ac273f0d185
- MD5 13f2c43e2ab2ba3b1dfb5fc8361c1d51
- SHA1 930d6bac286fe2389dadab60639943894d512ee0
- SHA512 f7d9bee1f7fc04693ad01db36601b3837a1b2effe5d8672d1b4591115c9e2ab657df3537da0651a8cc798cdec6ad14a08f0c3a18d81c347e1a5af0711ed9ac82
- SSDEEP 6144:QWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:QkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T15EC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4884-0-0x0000000000940000-0x00000000009CC000-memory.dmp UPX behavioral2/files/0x001a00000002b4f3-2.dat UPX behavioral2/memory/2260-4-0x00000000004F0000-0x000000000057C000-memory.dmp UPX behavioral2/memory/4884-18-0x0000000000940000-0x00000000009CC000-memory.dmp UPX behavioral2/memory/2260-22-0x00000000004F0000-0x000000000057C000-memory.dmp UPX behavioral2/memory/2260-53-0x00000000004F0000-0x000000000057C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2260 8d9bdfaa - 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 14 114.114.114.114 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 15 223.5.5.5 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 56 114.114.114.114 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 57 223.5.5.5 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 1 114.114.114.114 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d9bdfaa File created C:\Windows\SysWOW64\8d9bdfaa 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8d9bdfaa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8d9bdfaa -
resource yara_rule behavioral2/memory/4884-0-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral2/files/0x001a00000002b4f3-2.dat upx behavioral2/memory/2260-4-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/4884-18-0x0000000000940000-0x00000000009CC000-memory.dmp upx behavioral2/memory/2260-22-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/2260-53-0x00000000004F0000-0x000000000057C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\539da8 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\26b128 8d9bdfaa - 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 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8d9bdfaa - 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 8d9bdfaa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8d9bdfaa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8d9bdfaa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8d9bdfaa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8d9bdfaa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8d9bdfaa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8d9bdfaa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8d9bdfaa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8d9bdfaa - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 2260 8d9bdfaa 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4884 2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 2260 8d9bdfaa Token: SeTcbPrivilege 2260 8d9bdfaa
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_13f2c43e2ab2ba3b1dfb5fc8361c1d51_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:4884
-
C:\Windows\Syswow64\8d9bdfaaC:\Windows\Syswow64\8d9bdfaa1⤵
- 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:2260
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8d9bdfaa
- Size 560KB
- SHA256 2445bbfbf044aca681d0dc8a76ac94b52998f720099faab5a245f1df22b73b82
- MD5 26e42233156d58b7d86a4d7c9119c07e
- SHA1 196e948ce64e9749e3f1ec391dc32a0dae149b79
- SHA512 e4c0fce14fad67551f842c7a056da6f218d5b50f67b55dea4dbc65676f55869a332f2e5115677423b8e353c2d962f508999418d51de4ad77946755f8c5d37f04
- SSDEEP 6144:kWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:kkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T167C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH