Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 08:26
Behavioral task
behavioral1
Sample
2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 640KB
- Sample260421-kb7x2set4z
- SHA256 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb
- MD5 79c063207d06fde6814e103a1f2c4e91
- SHA1 aa02e7bc014f8578ecc1f090c54fde8f6ed863d5
- SHA512 a14115ce0c45fd24c2c419126339a1eb061c250e42bd1d78b23fff227d574087bb7e82e2d675420f3f040bf602c36ab80e808367bba760786479b129c02852c2
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T196D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1432-0-0x00000000004C0000-0x000000000054C000-memory.dmp UPX behavioral2/files/0x00130000000256dc-3.dat UPX behavioral2/memory/4996-4-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX behavioral2/memory/1432-15-0x00000000004C0000-0x000000000054C000-memory.dmp UPX behavioral2/memory/4996-17-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX behavioral2/memory/4996-43-0x0000000000F30000-0x0000000000FBC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4996 239bdca0 - 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 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 10 114.114.114.114 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 223.5.5.5 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 239bdca0 File created C:\Windows\SysWOW64\239bdca0 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 239bdca0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 239bdca0 -
resource yara_rule behavioral2/memory/1432-0-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/files/0x00130000000256dc-3.dat upx behavioral2/memory/4996-4-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/1432-15-0x00000000004C0000-0x000000000054C000-memory.dmp upx behavioral2/memory/4996-17-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/4996-43-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\558888 239bdca0 File opened for modification C:\Windows\188430 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_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 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 239bdca0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 239bdca0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 239bdca0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 239bdca0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 239bdca0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 239bdca0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 239bdca0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 239bdca0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 239bdca0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 239bdca0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4996 239bdca0 4996 239bdca0 4996 239bdca0 4996 239bdca0 4996 239bdca0 4996 239bdca0 4996 239bdca0 4996 239bdca0 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 1432 2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4996 239bdca0 Token: SeTcbPrivilege 4996 239bdca0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_79c063207d06fde6814e103a1f2c4e91_amadey_coinminer_elex_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:1432
-
C:\Windows\Syswow64\239bdca0C:\Windows\Syswow64\239bdca01⤵
- 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:4996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\239bdca0
- Size 640KB
- SHA256 53424f2250aea3151eaec5b1a12a67925dd7a8cd65c8d55b677d48964bd35d49
- MD5 5f784d76003d3c9da913aa71507dca58
- SHA1 7d71f31a149cff37347cd1a26025a0a8e25fdea0
- SHA512 90c60fececcab3bb56143a9be69c8d52597d69a085317037d3819f9d29ef4ec0e947683628fadc4365651d26d5c1abc304f807e0980b87904097593b5adb5027
- SSDEEP 6144:OcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:OSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T13BD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH