Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 23:06
Behavioral task
behavioral1
Sample
2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260820-23frbazzfv
- SHA256 fd471a62d7667cd3308137fdc39a2a82425bb4e1f623dfa655f87a8ed9ed3ca8
- MD5 f031f6935d1bc8223c14097e6fc46598
- SHA1 03f7fd57b285c7ebca5c4c64d59106332e78c766
- SHA512 266f16d36ca6ca427a29b2d5bbdaaa387d78af0a3e757cdc666386fd054ea9c533ecebb0f90318901941c1585cfbd9b8573ceea626d073fbbac5c7234f841ae8
- SSDEEP 12288:HSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3K:yvO2xJKRh2kOkx2LFxNcUQPK
- TLSH T136055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4624-0-0x00000000001F0000-0x000000000027C000-memory.dmp UPX behavioral2/files/0x001200000001c450-2.dat UPX behavioral2/memory/5808-4-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX behavioral2/memory/4624-16-0x00000000001F0000-0x000000000027C000-memory.dmp UPX behavioral2/memory/5808-17-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX behavioral2/memory/5808-26-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5808 e2f3cae4 - 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 16 114.114.114.114 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 17 223.5.5.5 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 1 114.114.114.114 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 4 223.5.5.5 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e2f3cae4 File created C:\Windows\SysWOW64\e2f3cae4 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e2f3cae4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e2f3cae4 -
resource yara_rule behavioral2/memory/4624-0-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/files/0x001200000001c450-2.dat upx behavioral2/memory/5808-4-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral2/memory/4624-16-0x00000000001F0000-0x000000000027C000-memory.dmp upx behavioral2/memory/5808-17-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral2/memory/5808-26-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\636f60 e2f3cae4 File opened for modification C:\Windows\4f2a20 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.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 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e2f3cae4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e2f3cae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e2f3cae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e2f3cae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e2f3cae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e2f3cae4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e2f3cae4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e2f3cae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e2f3cae4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e2f3cae4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 5808 e2f3cae4 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 4624 2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 5808 e2f3cae4 Token: SeTcbPrivilege 5808 e2f3cae4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_f031f6935d1bc8223c14097e6fc46598_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_f031f6935d1bc8223c14097e6fc46598_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:4624
-
C:\Windows\Syswow64\e2f3cae4C:\Windows\Syswow64\e2f3cae41⤵
- 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:5808
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e2f3cae4
- Size 830KB
- SHA256 c5579580081f71797bf4a3092723a43876d17982c5abd09688f5d37971a49c26
- MD5 3f05b1a1dcfb794516ac1ed5554de201
- SHA1 a664aa01e57e536c53bb78f6eb06dbe1708cff39
- SHA512 9f3a07f2cdd41b7dedc5c5aa5a6bfa9db99e086a9aff89340aeb12b525b9e9129b7c018d49dfec7f25e23de26ab77989f4919bb2dd0c63b23df411a37f64d1bc
- SSDEEP 12288:ASvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3K:bvO2xJKRh2kOkx2LFxNcUQPK
- TLSH T19B055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH