Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 00:36
Behavioral task
behavioral1
Sample
2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11-20260130-en
windows11-21h2-x64
11 signatures
150 seconds
General
- Target 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260504-ax436set4p
- SHA256 0625a7984f9210870420746367e0fbd06a16f67f1291e192490f5f8141ac5ab0
- MD5 47afaa7361fb54c502334c39330e221f
- SHA1 c6c285f4d1f13fafca1970d9a9ca24d5c3a6281e
- SHA512 decc0c74c156da31c039fd8a3ddac31bb1371c4bd9cd97e4f90435af7bf3d36654dc953185e879fe342faed6d865ead5b67423d0b9c3127c63718d911397345a
- SSDEEP 12288:QqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:QjHPOSOkx2LFscUQPK
- TLSH T110C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/4884-0-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral2/files/0x001a00000002b4f3-2.dat UPX behavioral2/memory/2260-3-0x0000000000C90000-0x0000000000D19000-memory.dmp UPX behavioral2/memory/4884-10-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral2/memory/2260-13-0x0000000000C90000-0x0000000000D19000-memory.dmp UPX behavioral2/memory/4884-38-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral2/memory/2260-41-0x0000000000C90000-0x0000000000D19000-memory.dmp UPX behavioral2/memory/2260-47-0x0000000000C90000-0x0000000000D19000-memory.dmp UPX behavioral2/memory/4884-56-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX behavioral2/memory/4884-74-0x0000000000CD0000-0x0000000000D59000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2260 f887ecd4 - 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 2 223.5.5.5 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 8 114.114.114.114 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 9 223.5.5.5 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 1 114.114.114.114 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 f887ecd4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f887ecd4 File created C:\Windows\SysWOW64\f887ecd4 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe -
resource yara_rule behavioral2/memory/4884-0-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral2/files/0x001a00000002b4f3-2.dat upx behavioral2/memory/2260-3-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/4884-10-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral2/memory/2260-13-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/4884-38-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral2/memory/2260-41-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/2260-47-0x0000000000C90000-0x0000000000D19000-memory.dmp upx behavioral2/memory/4884-56-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx behavioral2/memory/4884-74-0x0000000000CD0000-0x0000000000D59000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\26b128 f887ecd4 File opened for modification C:\Windows\539da8 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.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 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f887ecd4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f887ecd4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f887ecd4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f887ecd4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f887ecd4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f887ecd4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f887ecd4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f887ecd4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f887ecd4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f887ecd4 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA f887ecd4 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 f887ecd4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 2260 f887ecd4 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4884 2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 2260 f887ecd4 Token: SeTcbPrivilege 2260 f887ecd4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-04_47afaa7361fb54c502334c39330e221f_amadey_coinminer_elex_remcos_smoke-loader.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\f887ecd4C:\Windows\Syswow64\f887ecd41⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- 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\f887ecd4
- Size 576KB
- SHA256 22aba794f052680e94bf606793cd2f84c080fcff64c6576673672403ec422dab
- MD5 fbd06572cd77b5f3bd37fea847c612da
- SHA1 d4053b80106ab5713e018327cb5a9cf39d8f8e98
- SHA512 b08142cbaa0ab3a1889adc00bca19070d51c742ae39f74c7bd44c3b8fb9ae76e3909a0df363e2cbdecdc460556670bd6889e93db26dd9d48c093256fa57c58c8
- SSDEEP 12288:UqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:UjHPOSOkx2LFscUQPK
- TLSH T123C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH