Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 16:49
Behavioral task
behavioral1
Sample
2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe
- Size 638KB
- Sample260503-vbx3yshs5m
- SHA256 8d47a76ea3a12c3ca5a3196e4925587b09307eed303fd53bd4fddddcb9089216
- MD5 5a21041e04e098b947d22d24dbe6c4da
- SHA1 b0d1b3b860d2546543d37df32b5fb93d038a3478
- SHA512 bf28beee0e69feaf7cc8772d83ce9595e83be8a838e1178f290b90e662c375fb192741a7c3a07cdd7f87cf22e27949c40a1b5432a27dfbd9f1a37881bc9f9816
- SSDEEP 6144:ZcTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8KK5R2:ZSvO2x9mONvKRhLSFtsOkx2LIaeyk5g
- TLSH T193D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1044-0-0x0000000000080000-0x000000000010C000-memory.dmp UPX behavioral2/files/0x000c00000002ad99-2.dat UPX behavioral2/memory/4748-4-0x0000000000AF0000-0x0000000000B7C000-memory.dmp UPX behavioral2/memory/1044-18-0x0000000000080000-0x000000000010C000-memory.dmp UPX behavioral2/memory/4748-19-0x0000000000AF0000-0x0000000000B7C000-memory.dmp UPX behavioral2/memory/4748-30-0x0000000000AF0000-0x0000000000B7C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4748 9fa52df5 - 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 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 2 223.5.5.5 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 11 114.114.114.114 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Destination IP 12 223.5.5.5 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9fa52df5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9fa52df5 File created C:\Windows\SysWOW64\9fa52df5 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe -
resource yara_rule behavioral2/memory/1044-0-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral2/files/0x000c00000002ad99-2.dat upx behavioral2/memory/4748-4-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/memory/1044-18-0x0000000000080000-0x000000000010C000-memory.dmp upx behavioral2/memory/4748-19-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/memory/4748-30-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\514998 9fa52df5 File opened for modification C:\Windows\11dfa8 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_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 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9fa52df5 - 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 9fa52df5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9fa52df5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9fa52df5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9fa52df5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9fa52df5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9fa52df5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9fa52df5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9fa52df5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9fa52df5 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 4748 9fa52df5 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 1044 2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 4748 9fa52df5 Token: SeTcbPrivilege 4748 9fa52df5
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-03_5a21041e04e098b947d22d24dbe6c4da_amadey_coinminer_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_5a21041e04e098b947d22d24dbe6c4da_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:1044
-
C:\Windows\Syswow64\9fa52df5C:\Windows\Syswow64\9fa52df51⤵
- 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:4748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9fa52df5
- Size 638KB
- SHA256 b09f5a25f750f94a34043fb667f77ebc8f803fa11474dd823cfadc9d82bdf237
- MD5 09fd37359c0052da5bd9577f801aacf1
- SHA1 5334fda2d302bb24cf2e678e9286fddcb15c86d9
- SHA512 b1775dd65a6414c01fd917f1c4a82b65c817759aab8559393f5bc163b7774166759f0bfa46cde8a7d1c2c05ad30cad7b84362cac240e4207fd48ed5b76433f26
- SSDEEP 6144:ecTgav1cdCTuoPbgwmOLJvKRhLSFXdFwirGcEOkCybEaQRXr9HNdvOaey8KK5R2:eSvO2x9mONvKRhLSFtsOkx2LIaeyk5g
- TLSH T11BD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH