Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
06/05/2026, 16:06
Behavioral task
behavioral1
Sample
2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260506-tkf1csd171
- SHA256 804fb59dac81a27130d31283bfbd54378954c84dc6a77e968c7238d0f62e380b
- MD5 3dd9f471ab6705f0cb41397f0badf3f5
- SHA1 11269f876d8311d8b71386e4338325c48eb27f8d
- SHA512 da420bee4a5d1ed8cd4f7326d1206d5a2a2bfc88c3dcc8e59132a56c85708ae370529eb7e8d54d15f4f4047912f290990bb2196edc5a05321cffd9b5f8af01c4
- SSDEEP 12288:JqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:JjHPOSOkx2LFscUQPxW
- TLSH T1AED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 9 IoCs
resource yara_rule behavioral2/memory/5844-0-0x0000000000F40000-0x0000000000FC9000-memory.dmp UPX behavioral2/files/0x000800000002a117-2.dat UPX behavioral2/memory/5056-3-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/5844-10-0x0000000000F40000-0x0000000000FC9000-memory.dmp UPX behavioral2/memory/5056-12-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/5844-26-0x0000000000F40000-0x0000000000FC9000-memory.dmp UPX behavioral2/memory/5056-28-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/5056-34-0x00000000004E0000-0x0000000000569000-memory.dmp UPX behavioral2/memory/5844-53-0x0000000000F40000-0x0000000000FC9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5056 f8d9d3b9 - 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 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 6 114.114.114.114 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 7 223.5.5.5 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C f8d9d3b9 File created C:\Windows\SysWOW64\f8d9d3b9 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C f8d9d3b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f8d9d3b9 -
resource yara_rule behavioral2/memory/5844-0-0x0000000000F40000-0x0000000000FC9000-memory.dmp upx behavioral2/files/0x000800000002a117-2.dat upx behavioral2/memory/5056-3-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/5844-10-0x0000000000F40000-0x0000000000FC9000-memory.dmp upx behavioral2/memory/5056-12-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/5844-26-0x0000000000F40000-0x0000000000FC9000-memory.dmp upx behavioral2/memory/5056-28-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/5056-34-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/5844-53-0x0000000000F40000-0x0000000000FC9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\568f80 f8d9d3b9 File opened for modification C:\Windows\640d28 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_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 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f8d9d3b9 - 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:" f8d9d3b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f8d9d3b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f8d9d3b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f8d9d3b9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f8d9d3b9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f8d9d3b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f8d9d3b9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f8d9d3b9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f8d9d3b9 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5056 f8d9d3b9 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 5844 2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 5056 f8d9d3b9 Token: SeTcbPrivilege 5056 f8d9d3b9
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_3dd9f471ab6705f0cb41397f0badf3f5_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:5844
-
C:\Windows\Syswow64\f8d9d3b9C:\Windows\Syswow64\f8d9d3b91⤵
- 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:5056
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f8d9d3b9
- Size 618KB
- SHA256 7d29d295ca9f91b435fd611d621aa6d62efd6150c2549d310e253cca94465eca
- MD5 e4f63dc87dce8c12614f1ad8769058d7
- SHA1 c222b235a926f3f1505ceab0ccc326150699b9eb
- SHA512 5ec1ec1382fcca6e78beedbdc7c12aad9d78fb31a8c79c8ec536847daf5a7ec1649c5483b969bddfaa53a580200e75786b9acdabd1dcc7b704fa006038c39ddf
- SSDEEP 12288:TqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:TjHPOSOkx2LFscUQPxW
- TLSH T189D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH