Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/05/2026, 11:14
Behavioral task
behavioral1
Sample
2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260523-nb9nesbs4y
- SHA256 c5887669cba4dcfd86018c6b239f8fc314dd3e094b54cc596dcd171a7f8f0422
- MD5 0fc49ced4d40722b087fa11232a763c0
- SHA1 536388a14a1880c4bf387c643b537ee7a40daaa1
- SHA512 4817c9331328ec3dbbd777c41a016db82628a5c829e7082e01d63d9de0a8f4ab8ace0f698f3e1b9f02692b318e5616bc109d75b531a52fb4b62c4e5b1db053a0
- SSDEEP 12288:SqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:SjHPOSOkx2LFscUQPK
- TLSH T164C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 11 IoCs
resource yara_rule behavioral2/memory/1368-0-0x0000000000390000-0x0000000000419000-memory.dmp UPX behavioral2/memory/4532-3-0x0000000000570000-0x00000000005F9000-memory.dmp UPX behavioral2/files/0x002100000002b2d3-2.dat UPX behavioral2/memory/1368-18-0x0000000000390000-0x0000000000419000-memory.dmp UPX behavioral2/memory/4532-20-0x0000000000570000-0x00000000005F9000-memory.dmp UPX behavioral2/memory/4532-24-0x0000000000570000-0x00000000005F9000-memory.dmp UPX behavioral2/memory/1368-35-0x0000000000390000-0x0000000000419000-memory.dmp UPX behavioral2/memory/4532-36-0x0000000000570000-0x00000000005F9000-memory.dmp UPX behavioral2/memory/4532-38-0x0000000000570000-0x00000000005F9000-memory.dmp UPX behavioral2/memory/1368-39-0x0000000000390000-0x0000000000419000-memory.dmp UPX behavioral2/memory/1368-45-0x0000000000390000-0x0000000000419000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4532 4b71edc3 - 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 1 114.114.114.114 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 29 114.114.114.114 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 30 223.5.5.5 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 71 114.114.114.114 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 72 223.5.5.5 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_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\MetaData 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4b71edc3 File created C:\Windows\SysWOW64\4b71edc3 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b71edc3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4b71edc3 -
resource yara_rule behavioral2/memory/1368-0-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral2/memory/4532-3-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral2/files/0x002100000002b2d3-2.dat upx behavioral2/memory/1368-18-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral2/memory/4532-20-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral2/memory/4532-24-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral2/memory/1368-35-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral2/memory/4532-36-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral2/memory/4532-38-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral2/memory/1368-39-0x0000000000390000-0x0000000000419000-memory.dmp upx behavioral2/memory/1368-45-0x0000000000390000-0x0000000000419000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4d96e8 4b71edc3 File opened for modification C:\Windows\176bb0 2026-05-23_0fc49ced4d40722b087fa11232a763c0_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 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4b71edc3 - 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" 4b71edc3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4b71edc3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4b71edc3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4b71edc3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4b71edc3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4b71edc3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4b71edc3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4b71edc3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4b71edc3 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 4532 4b71edc3 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1368 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4532 4b71edc3 Token: SeTcbPrivilege 4532 4b71edc3
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_0fc49ced4d40722b087fa11232a763c0_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:1368
-
C:\Windows\Syswow64\4b71edc3C:\Windows\Syswow64\4b71edc31⤵
- 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:4532
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4b71edc3
- Size 576KB
- SHA256 f978ce250ae967093013d0da25b7fe87cce064820c30256a0931066d586018a9
- MD5 bdd9adaf4fd9471876f4d4b55e868e8b
- SHA1 4f29d37944407d7f110fbf866169898da2c64771
- SHA512 ea7c62fab271f9ed762a46dbddf9fb28038983113e4cabfa3c8a15dd3cf575babcd555e77a24f03922920a8f5d28ed68648b1949fb3f8cbaeac2bfed3c60a4aa
- SSDEEP 12288:HqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:HjHPOSOkx2LFscUQPK
- TLSH T136C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH