Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/04/2026, 00:51
Behavioral task
behavioral1
Sample
2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260426-a7f44adv2k
- SHA256 032c102906eca2ddacc97d576fcb74309ea7ffd76b6471285e4d33f4178ffd51
- MD5 0f34a1fed6d5b0c7414c2526d9eb2e79
- SHA1 29c3c49438e00ff11d8ccd8e0f443184d0baeb0e
- SHA512 c186790d67cada08d52507d4abc45f680b4956e2c8fe4db95d8e5ae9527ce887990d97a2cc0870c709ded11de63a906c5df9945c3baf89b8e30dafce8e64b39d
- SSDEEP 12288:gqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:gjHPOSOkx2LFscUQPK
- TLSH T13CC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/8-0-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/files/0x002100000002b183-2.dat UPX behavioral2/memory/4196-4-0x0000000000690000-0x0000000000719000-memory.dmp UPX behavioral2/memory/8-10-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/memory/4196-13-0x0000000000690000-0x0000000000719000-memory.dmp UPX behavioral2/memory/4196-25-0x0000000000690000-0x0000000000719000-memory.dmp UPX behavioral2/memory/8-41-0x0000000000010000-0x0000000000099000-memory.dmp UPX behavioral2/memory/4196-43-0x0000000000690000-0x0000000000719000-memory.dmp UPX behavioral2/memory/8-67-0x0000000000010000-0x0000000000099000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4196 f80f342f - 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 10 223.5.5.5 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 53 114.114.114.114 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 54 223.5.5.5 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 1 114.114.114.114 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 9 114.114.114.114 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_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\INetCache\IE f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f80f342f File created C:\Windows\SysWOW64\f80f342f 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f80f342f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f80f342f -
resource yara_rule behavioral2/memory/8-0-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/files/0x002100000002b183-2.dat upx behavioral2/memory/4196-4-0x0000000000690000-0x0000000000719000-memory.dmp upx behavioral2/memory/8-10-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/4196-13-0x0000000000690000-0x0000000000719000-memory.dmp upx behavioral2/memory/4196-25-0x0000000000690000-0x0000000000719000-memory.dmp upx behavioral2/memory/8-41-0x0000000000010000-0x0000000000099000-memory.dmp upx behavioral2/memory/4196-43-0x0000000000690000-0x0000000000719000-memory.dmp upx behavioral2/memory/8-67-0x0000000000010000-0x0000000000099000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47d648 f80f342f File opened for modification C:\Windows\2310 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_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 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f80f342f - 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 f80f342f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f80f342f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f80f342f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f80f342f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f80f342f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f80f342f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f80f342f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f80f342f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f80f342f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4196 f80f342f 4196 f80f342f 4196 f80f342f 4196 f80f342f 4196 f80f342f 4196 f80f342f 4196 f80f342f 4196 f80f342f 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 8 2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4196 f80f342f Token: SeTcbPrivilege 4196 f80f342f
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-26_0f34a1fed6d5b0c7414c2526d9eb2e79_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:8
-
C:\Windows\Syswow64\f80f342fC:\Windows\Syswow64\f80f342f1⤵
- 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:4196
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f80f342f
- Size 576KB
- SHA256 65be30b3cecd707f3a2c00fcf70422de194171e374468cfedc4e527c2808dd73
- MD5 fe866dac03a3b974ee41b01d7a5131c8
- SHA1 1471f8e0fe211c2de50ceb5da405b81b7439d634
- SHA512 f5f03e371469159f9155e8edb6878305865e4508d1c9d09869e253506bfa081ed1e3ea18d6676f9246304598ee446bfaaa1c686ee85d266e5d9b5d663a2b88c2
- SSDEEP 12288:oqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:ojHPOSOkx2LFscUQPK
- TLSH T106C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH