Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 09:37
Behavioral task
behavioral1
Sample
2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
11 signatures
150 seconds
General
- Target 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260810-llvk5sfc38
- SHA256 262050db5e78abc79a19408624733b551495b8b7f6ee988c39aa9a11d7517738
- MD5 c9a8a962b44e923218adb0e3b0d83891
- SHA1 868b349b480842e3c4df1e44ac365c41859dc9f3
- SHA512 d90bdaa5899481dac87946f89c29b738e2bfc1a7184f55ba7a195f8d0ae0ad5fe4820688e15bcdb595c0c11dfedc8afc53d16236eeae3a82b4914e2094854471
- SSDEEP 12288:6qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:6jHPOSOkx2LFscUQPxW
- TLSH T110D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- 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/3124-0-0x0000000000270000-0x00000000002F9000-memory.dmp UPX behavioral2/files/0x000800000001b1d0-2.dat UPX behavioral2/memory/4540-3-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/3124-10-0x0000000000270000-0x00000000002F9000-memory.dmp UPX behavioral2/memory/4540-12-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/4540-22-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/3124-39-0x0000000000270000-0x00000000002F9000-memory.dmp UPX behavioral2/memory/4540-40-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/4540-44-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/3124-49-0x0000000000270000-0x00000000002F9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4540 ef6b8cc4 - 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 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 18 114.114.114.114 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 19 223.5.5.5 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_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\LocalLow\Microsoft\CryptnetUrlCache ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ef6b8cc4 File created C:\Windows\SysWOW64\ef6b8cc4 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ef6b8cc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ef6b8cc4 -
resource yara_rule behavioral2/memory/3124-0-0x0000000000270000-0x00000000002F9000-memory.dmp upx behavioral2/files/0x000800000001b1d0-2.dat upx behavioral2/memory/4540-3-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/3124-10-0x0000000000270000-0x00000000002F9000-memory.dmp upx behavioral2/memory/4540-12-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/4540-22-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/3124-39-0x0000000000270000-0x00000000002F9000-memory.dmp upx behavioral2/memory/4540-40-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/4540-44-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/3124-49-0x0000000000270000-0x00000000002F9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4db9f8 ef6b8cc4 File opened for modification C:\Windows\357be8 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_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 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef6b8cc4 - 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\Cookies\CachePrefix = "Cookie:" ef6b8cc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ef6b8cc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ef6b8cc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ef6b8cc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ef6b8cc4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ef6b8cc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ef6b8cc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ef6b8cc4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ef6b8cc4 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA ef6b8cc4 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 ef6b8cc4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 4540 ef6b8cc4 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 3124 2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4540 ef6b8cc4 Token: SeTcbPrivilege 4540 ef6b8cc4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-10_c9a8a962b44e923218adb0e3b0d83891_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_c9a8a962b44e923218adb0e3b0d83891_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:3124
-
C:\Windows\Syswow64\ef6b8cc4C:\Windows\Syswow64\ef6b8cc41⤵
- 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:4540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ef6b8cc4
- Size 618KB
- SHA256 b6f46262365835ccedaa69dfa17e6c818a510c7641f654eaa299ace64f07c004
- MD5 cf2808222c79c241707d46b3be29f127
- SHA1 4ede97f262eab8c7216654581b062ad50e43f917
- SHA512 18b1862f32a260f492ee311357af10fd4c80c01cb767d20b6bf99ad5db923f168c8701443e10276091b864f4831308987302295300c874d084771f453aa2a963
- SSDEEP 12288:mqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:mjHPOSOkx2LFscUQPxW
- TLSH T196D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH