Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/05/2026, 11:14
Behavioral task
behavioral1
Sample
2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 576KB
- Sample260523-nb9nesbs4y
- SHA256 c5887669cba4dcfd86018c6b239f8fc314dd3e094b54cc596dcd171a7f8f0422
- MD5 0fc49ced4d40722b087fa11232a763c0
- SHA1 536388a14a1880c4bf387c643b537ee7a40daaa1
- SHA512 4817c9331328ec3dbbd777c41a016db82628a5c829e7082e01d63d9de0a8f4ab8ace0f698f3e1b9f02692b318e5616bc109d75b531a52fb4b62c4e5b1db053a0
- SSDEEP 12288:SqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:SjHPOSOkx2LFscUQPK
- TLSH T164C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 13 IoCs
resource yara_rule behavioral1/memory/4300-0-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/files/0x00070000000231e6-2.dat UPX behavioral1/memory/4960-4-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4300-16-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/memory/4960-19-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4960-23-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4300-33-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/memory/4960-34-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4300-38-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/memory/4960-44-0x0000000000020000-0x00000000000A9000-memory.dmp UPX behavioral1/memory/4300-48-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/memory/4300-55-0x0000000000290000-0x0000000000319000-memory.dmp UPX behavioral1/memory/4300-56-0x0000000000290000-0x0000000000319000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4960 ebcdddad - Unexpected DNS network traffic destination 10 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 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 55 114.114.114.114 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 116 114.114.114.114 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 118 223.5.5.5 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 184 114.114.114.114 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 251 223.5.5.5 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 63 223.5.5.5 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 185 223.5.5.5 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 250 114.114.114.114 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_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 ebcdddad File created C:\Windows\SysWOW64\ebcdddad 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ebcdddad File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ebcdddad -
resource yara_rule behavioral1/memory/4300-0-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/files/0x00070000000231e6-2.dat upx behavioral1/memory/4960-4-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4300-16-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/memory/4960-19-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4960-23-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4300-33-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/memory/4960-34-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4300-38-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/memory/4960-44-0x0000000000020000-0x00000000000A9000-memory.dmp upx behavioral1/memory/4300-48-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/memory/4300-55-0x0000000000290000-0x0000000000319000-memory.dmp upx behavioral1/memory/4300-56-0x0000000000290000-0x0000000000319000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\499e18 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\54eac0 ebcdddad - 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 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ebcdddad - 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:" ebcdddad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ebcdddad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ebcdddad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ebcdddad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ebcdddad Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ebcdddad Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ebcdddad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ebcdddad Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ebcdddad - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4960 ebcdddad 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4300 2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 4960 ebcdddad Token: SeTcbPrivilege 4960 ebcdddad
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_0fc49ced4d40722b087fa11232a763c0_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_0fc49ced4d40722b087fa11232a763c0_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:4300
-
C:\Windows\Syswow64\ebcdddadC:\Windows\Syswow64\ebcdddad1⤵
- 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:4960
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ebcdddad
- Size 576KB
- SHA256 5eeadc45eaf91e025430aff8c3651a0f16d7a33b70252b02cf145654292d7cdf
- MD5 b8a59065a758a0c0c786db3a464b64c2
- SHA1 9089478f665cecdcfa7e6b1718c98211630126cf
- SHA512 c5772a6c3e1837b0b26e815fcc23b150ea783d7ae47b5d74ece0421760ac290c055499ccd50e9c855ded46ecb003bedc2973f15f5493cb1cc7c34079af4ea7d3
- SSDEEP 12288:3qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:3jHPOSOkx2LFscUQPK
- TLSH T1EDC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH