Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/07/2026, 14:17
Behavioral task
behavioral1
Sample
2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260712-rl1eaadv6v
- SHA256 b630eb0da84e8e7776d199864ea887c79b91ed29c8231a5d145f77f1e38e1799
- MD5 11a2f9e80e0ca96c88a83555328941c0
- SHA1 0cdbcd4e1d68c7659748800bc7a1f42e5dba9753
- SHA512 71725956e63c83dfaeb7445d8abcb1d47c44f3d840fc8763184aa0344897b97e79530dfd61688fae9feba741f0b8103fdf60771e5ac5bce11b6df4615560772c
- SSDEEP 12288:fqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:fjHPOSOkx2LFscUQPK
- TLSH T162C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/4396-0-0x00000000001A0000-0x0000000000229000-memory.dmp UPX behavioral2/files/0x000b000000011377-3.dat UPX behavioral2/memory/3956-4-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4396-18-0x00000000001A0000-0x0000000000229000-memory.dmp UPX behavioral2/memory/3956-20-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4396-35-0x00000000001A0000-0x0000000000229000-memory.dmp UPX behavioral2/memory/3956-36-0x0000000000400000-0x0000000000489000-memory.dmp UPX behavioral2/memory/4396-52-0x00000000001A0000-0x0000000000229000-memory.dmp UPX behavioral2/memory/4396-56-0x00000000001A0000-0x0000000000229000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3956 b71b8404 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 36 114.114.114.114 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 37 223.5.5.5 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 39 114.114.114.114 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 40 223.5.5.5 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 81 114.114.114.114 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 82 223.5.5.5 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 1 114.114.114.114 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_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 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b71b8404 File created C:\Windows\SysWOW64\b71b8404 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b71b8404 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b71b8404 -
resource yara_rule behavioral2/memory/4396-0-0x00000000001A0000-0x0000000000229000-memory.dmp upx behavioral2/files/0x000b000000011377-3.dat upx behavioral2/memory/3956-4-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4396-18-0x00000000001A0000-0x0000000000229000-memory.dmp upx behavioral2/memory/3956-20-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4396-35-0x00000000001A0000-0x0000000000229000-memory.dmp upx behavioral2/memory/3956-36-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral2/memory/4396-52-0x00000000001A0000-0x0000000000229000-memory.dmp upx behavioral2/memory/4396-56-0x00000000001A0000-0x0000000000229000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\43ba68 b71b8404 File opened for modification C:\Windows\4b42d8 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_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 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b71b8404 - 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:" b71b8404 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b71b8404 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b71b8404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b71b8404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b71b8404 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b71b8404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b71b8404 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b71b8404 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b71b8404 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3956 b71b8404 3956 b71b8404 3956 b71b8404 3956 b71b8404 3956 b71b8404 3956 b71b8404 3956 b71b8404 3956 b71b8404 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4396 2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3956 b71b8404 Token: SeTcbPrivilege 3956 b71b8404
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-12_11a2f9e80e0ca96c88a83555328941c0_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-12_11a2f9e80e0ca96c88a83555328941c0_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:4396
-
C:\Windows\Syswow64\b71b8404C:\Windows\Syswow64\b71b84041⤵
- 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:3956
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b71b8404
- Size 576KB
- SHA256 02c982fe487dd961bef71ce1f130f7d2ea79ee76b26b18179add54a2883cefc6
- MD5 fbebea1536180ad61d158c42c9e6a083
- SHA1 26eb12223d5610f741b9559f9cc6b5262cdc81e9
- SHA512 b4f8b0411694e1c3b255969175c631e216ac56c53ebe8045e6659923e2dc79b5aff76b124b9272e242c447b751dd894d709dab34531687bc8efc76c9e9912049
- SSDEEP 12288:kqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:kjHPOSOkx2LFscUQPK
- TLSH T1E6C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH