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
22/04/2026, 04:33
Behavioral task
behavioral1
Sample
2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260422-e6jwtag14j
- SHA256 8e9e9224d5cfa9204b3fc608dd20784c4fceb3bbd3be4638c042c3143f2199e9
- MD5 fc2124d581a410a9eb83580d0f0f5f61
- SHA1 aab24bceca483d022f9cd8b06a5e78261cdf6659
- SHA512 8e2b408e0a28b8eba978b491fe530bc5632d6bef12708e53cab4da8a321819503a684ea53f788babd2acb2d049d5160c6901f0a99d1ef716b1222fb40803fcc7
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:mvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T12C055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2888-0-0x0000000000440000-0x00000000004CC000-memory.dmp UPX behavioral2/files/0x002c00000002b1ab-4.dat UPX behavioral2/memory/1084-3-0x0000000000300000-0x000000000038C000-memory.dmp UPX behavioral2/memory/2888-12-0x0000000000440000-0x00000000004CC000-memory.dmp UPX behavioral2/memory/1084-13-0x0000000000300000-0x000000000038C000-memory.dmp UPX behavioral2/memory/1084-29-0x0000000000300000-0x000000000038C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1084 c9186a00 - 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 2 223.5.5.5 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 9 114.114.114.114 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 10 223.5.5.5 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 1 114.114.114.114 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 19 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9186a00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 c9186a00 File created C:\Windows\SysWOW64\c9186a00 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c9186a00 -
resource yara_rule behavioral2/memory/2888-0-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/files/0x002c00000002b1ab-4.dat upx behavioral2/memory/1084-3-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/memory/2888-12-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/1084-13-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/memory/1084-29-0x0000000000300000-0x000000000038C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\317190 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\128ef8 c9186a00 - 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 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c9186a00 - 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\History\CachePrefix = "Visited:" c9186a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c9186a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c9186a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c9186a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c9186a00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c9186a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c9186a00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c9186a00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c9186a00 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1084 c9186a00 1084 c9186a00 1084 c9186a00 1084 c9186a00 1084 c9186a00 1084 c9186a00 1084 c9186a00 1084 c9186a00 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 2888 2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 1084 c9186a00 Token: SeTcbPrivilege 1084 c9186a00
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_fc2124d581a410a9eb83580d0f0f5f61_amadey_coinminer_elex_remcos_smoke-loader_stop.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:2888
-
C:\Windows\Syswow64\c9186a00C:\Windows\Syswow64\c9186a001⤵
- 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:1084
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c9186a00
- Size 830KB
- SHA256 cbf5c53e91c6d253bf120f96e726c9366cda81d9bf4a148ac61fdf648a598789
- MD5 09964924d0654f2e43ad62951b630873
- SHA1 ac8440e23eb6dc77ef756b3ac20e1d24590fef61
- SHA512 b9c673edf652860a30e55479a39a3954ab4e2b6d01c12dd963457d654dcf0a8468ed47211be0c55623a4704d6cb1935dccbdbde65513279a7ea6de03fda3e71d
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:VvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1AD055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH