Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/07/2026, 12:48
Behavioral task
behavioral1
Sample
2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260720-p1ttyacy2v
- SHA256 695f1bbb428eed0a7efda3ca60a8c742cf27da115f55edbcee0da0cd32d3b2ee
- MD5 d0ae2fd34546b9ed841065c3da99d019
- SHA1 29f3e3b28ec280139122b00beea9366bbfcae1ae
- SHA512 16eb9c0642d6be9bb13829d86f055a97454b82e59dff6e3244e8cde466a0622eee4857efa5e7c535e565e799300f171507f662eed3a8f2c72d97d35ff641c7dc
- SSDEEP 12288:iqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:ijHPOSOkx2LFscUQPxW
- TLSH T172D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral1/memory/1132-0-0x0000000000080000-0x0000000000109000-memory.dmp UPX behavioral1/files/0x00080000000004eb-2.dat UPX behavioral1/memory/2716-4-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral1/memory/1132-10-0x0000000000080000-0x0000000000109000-memory.dmp UPX behavioral1/memory/2716-12-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral1/memory/2716-22-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral1/memory/1132-27-0x0000000000080000-0x0000000000109000-memory.dmp UPX behavioral1/memory/2716-28-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral1/memory/2716-30-0x00000000006B0000-0x0000000000739000-memory.dmp UPX behavioral1/memory/1132-49-0x0000000000080000-0x0000000000109000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2716 a39bfe1a - 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 3 114.114.114.114 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 42 114.114.114.114 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 43 223.5.5.5 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_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\LocalLow\Microsoft\CryptnetUrlCache\Content a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a39bfe1a File created C:\Windows\SysWOW64\a39bfe1a 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a39bfe1a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a39bfe1a -
resource yara_rule behavioral1/memory/1132-0-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral1/files/0x00080000000004eb-2.dat upx behavioral1/memory/2716-4-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral1/memory/1132-10-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral1/memory/2716-12-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral1/memory/2716-22-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral1/memory/1132-27-0x0000000000080000-0x0000000000109000-memory.dmp upx behavioral1/memory/2716-28-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral1/memory/2716-30-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral1/memory/1132-49-0x0000000000080000-0x0000000000109000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e7fb8 a39bfe1a File opened for modification C:\Windows\136158 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_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 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a39bfe1a - 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 a39bfe1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a39bfe1a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a39bfe1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a39bfe1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a39bfe1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a39bfe1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a39bfe1a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a39bfe1a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a39bfe1a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 2716 a39bfe1a 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1132 2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 2716 a39bfe1a Token: SeTcbPrivilege 2716 a39bfe1a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-20_d0ae2fd34546b9ed841065c3da99d019_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_d0ae2fd34546b9ed841065c3da99d019_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:1132
-
C:\Windows\Syswow64\a39bfe1aC:\Windows\Syswow64\a39bfe1a1⤵
- 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:2716
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a39bfe1a
- Size 618KB
- SHA256 daaeecaa8c055a39309c4d308063fcb60bc63dd984510147aa86857a4bf70f6b
- MD5 10aff8de02f545fed4c5d272fa4fce9b
- SHA1 1cfe83dfa5b20d69f80831cb243d870c3cafcf35
- SHA512 0d0d6d2ef9730aabde36cae870ddb9529e620ecdf886995ab46fd25b3648939ebe7f98e3d95e435a630d1862a679b506b8386a0ab17faddbb9669470846a4f92
- SSDEEP 12288:CqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:CjHPOSOkx2LFscUQPxW
- TLSH T17CD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH