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
15/04/2026, 07:51
Behavioral task
behavioral1
Sample
2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260415-jpxtkag12p
- SHA256 d0a6fee432f89ea7c2c7048e289b8bfaf7c0228013536acc36ace146624adef6
- MD5 7e4ecd69c9c578faf183f52bc2ce20a2
- SHA1 3ce84b0ca6a416825be8fb30decc1d1c5f600fa3
- SHA512 e57f371a3ec0dbb252325c9d9ce04a59da228b60ebe326b3bc3294c2b8a3c2cfbbdb1bd36ba37f4517a798af95eba197ee458ba4c09de29790e212391c81823f
- SSDEEP 12288:yqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:yjHPOSOkx2LFscUQPK
- TLSH T131C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 11 IoCs
resource yara_rule behavioral2/memory/1200-0-0x0000000000C40000-0x0000000000CC9000-memory.dmp UPX behavioral2/files/0x001b00000002b3c0-2.dat UPX behavioral2/memory/2332-3-0x0000000000C80000-0x0000000000D09000-memory.dmp UPX behavioral2/memory/1200-15-0x0000000000C40000-0x0000000000CC9000-memory.dmp UPX behavioral2/memory/2332-18-0x0000000000C80000-0x0000000000D09000-memory.dmp UPX behavioral2/memory/2332-29-0x0000000000C80000-0x0000000000D09000-memory.dmp UPX behavioral2/memory/1200-38-0x0000000000C40000-0x0000000000CC9000-memory.dmp UPX behavioral2/memory/2332-40-0x0000000000C80000-0x0000000000D09000-memory.dmp UPX behavioral2/memory/1200-47-0x0000000000C40000-0x0000000000CC9000-memory.dmp UPX behavioral2/memory/2332-49-0x0000000000C80000-0x0000000000D09000-memory.dmp UPX behavioral2/memory/1200-61-0x0000000000C40000-0x0000000000CC9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2332 a4eeba64 - 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 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 14 114.114.114.114 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 15 223.5.5.5 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\a4eeba64 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a4eeba64 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C a4eeba64 -
resource yara_rule behavioral2/memory/1200-0-0x0000000000C40000-0x0000000000CC9000-memory.dmp upx behavioral2/files/0x001b00000002b3c0-2.dat upx behavioral2/memory/2332-3-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/1200-15-0x0000000000C40000-0x0000000000CC9000-memory.dmp upx behavioral2/memory/2332-18-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/2332-29-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/1200-38-0x0000000000C40000-0x0000000000CC9000-memory.dmp upx behavioral2/memory/2332-40-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/1200-47-0x0000000000C40000-0x0000000000CC9000-memory.dmp upx behavioral2/memory/2332-49-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/1200-61-0x0000000000C40000-0x0000000000CC9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\27ecb8 a4eeba64 File opened for modification C:\Windows\148b60 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_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 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4eeba64 - 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 a4eeba64 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a4eeba64 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a4eeba64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a4eeba64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a4eeba64 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a4eeba64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a4eeba64 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a4eeba64 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a4eeba64 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 2332 a4eeba64 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1200 2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 2332 a4eeba64 Token: SeTcbPrivilege 2332 a4eeba64
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_7e4ecd69c9c578faf183f52bc2ce20a2_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:1200
-
C:\Windows\Syswow64\a4eeba64C:\Windows\Syswow64\a4eeba641⤵
- 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:2332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a4eeba64
- Size 576KB
- SHA256 d17c1ac7649a6bb8c9d83c0eafec13e9c19b35111095690af5e0d4279fedcebb
- MD5 27350b99e210f256d2f1441dad3e8eb1
- SHA1 83a5ad185edca9ed8748ebb75b2bef25faf41b15
- SHA512 90b4f0daf937a697e81b402c8cdd4abcf5cfa8eb85f48f1686312ccba70e994cd49063d1436f1e2e69614cde21d25c8ca7398552a2b4bff69bbd7753fd726807
- SSDEEP 12288:OqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:OjHPOSOkx2LFscUQPK
- TLSH T19CC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH