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
05/05/2026, 03:45
Behavioral task
behavioral1
Sample
2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260505-ea2rraby5n
- SHA256 408de936efec333fcc928d66259b36d6dabbb200dd24614058c806ed7afd9520
- MD5 076888dd4bd0e28078b7078bb1f5661e
- SHA1 64d0148dcd17adbe4bae3649278f27cbb706e745
- SHA512 8ffd0d0e88f535788bc62c369d57f0f2b61682bc293eeb3725d1158700b1bdb72a3f0db33aa8497fffb8896cefe11228be0bc79b47f969042a3e3b60d9956f25
- SSDEEP 12288:XqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:XjHPOSOkx2LFscUQPxW
- TLSH T106D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/1792-0-0x0000000000320000-0x00000000003A9000-memory.dmp UPX behavioral2/files/0x002e00000002b19f-2.dat UPX behavioral2/memory/2064-4-0x0000000000210000-0x0000000000299000-memory.dmp UPX behavioral2/memory/1792-18-0x0000000000320000-0x00000000003A9000-memory.dmp UPX behavioral2/memory/2064-20-0x0000000000210000-0x0000000000299000-memory.dmp UPX behavioral2/memory/2064-21-0x0000000000210000-0x0000000000299000-memory.dmp UPX behavioral2/memory/1792-30-0x0000000000320000-0x00000000003A9000-memory.dmp UPX behavioral2/memory/2064-31-0x0000000000210000-0x0000000000299000-memory.dmp UPX behavioral2/memory/2064-37-0x0000000000210000-0x0000000000299000-memory.dmp UPX behavioral2/memory/1792-52-0x0000000000320000-0x00000000003A9000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2064 b1bbbef2 - 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 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 18 114.114.114.114 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 19 223.5.5.5 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.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\IE b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1bbbef2 File created C:\Windows\SysWOW64\b1bbbef2 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b1bbbef2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b1bbbef2 -
resource yara_rule behavioral2/memory/1792-0-0x0000000000320000-0x00000000003A9000-memory.dmp upx behavioral2/files/0x002e00000002b19f-2.dat upx behavioral2/memory/2064-4-0x0000000000210000-0x0000000000299000-memory.dmp upx behavioral2/memory/1792-18-0x0000000000320000-0x00000000003A9000-memory.dmp upx behavioral2/memory/2064-20-0x0000000000210000-0x0000000000299000-memory.dmp upx behavioral2/memory/2064-21-0x0000000000210000-0x0000000000299000-memory.dmp upx behavioral2/memory/1792-30-0x0000000000320000-0x00000000003A9000-memory.dmp upx behavioral2/memory/2064-31-0x0000000000210000-0x0000000000299000-memory.dmp upx behavioral2/memory/2064-37-0x0000000000210000-0x0000000000299000-memory.dmp upx behavioral2/memory/1792-52-0x0000000000320000-0x00000000003A9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\235620 b1bbbef2 File opened for modification C:\Windows\1eae00 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_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 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1bbbef2 - 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\Cookies\CachePrefix = "Cookie:" b1bbbef2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b1bbbef2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b1bbbef2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b1bbbef2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b1bbbef2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b1bbbef2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b1bbbef2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b1bbbef2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b1bbbef2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 2064 b1bbbef2 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 1792 2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 2064 b1bbbef2 Token: SeTcbPrivilege 2064 b1bbbef2
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-05_076888dd4bd0e28078b7078bb1f5661e_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_076888dd4bd0e28078b7078bb1f5661e_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:1792
-
C:\Windows\Syswow64\b1bbbef2C:\Windows\Syswow64\b1bbbef21⤵
- 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:2064
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b1bbbef2
- Size 618KB
- SHA256 892bdc42dd5beb68d6da82320fa763d19a579a8ec8faa6a3e1c85741bf24bd89
- MD5 45834e08b81c7c0674f71f2907b1fc48
- SHA1 95c67811a78fb2f118c1fc9e703dcd0cd11e2b05
- SHA512 3d1d34b819e24b0a41649213973601357c7b31621d8ccfe089982bfb10d2c04d508ff092ab44b114bf9193f59c7ab40233ec4c5e698c340b3f21dc5856546691
- SSDEEP 12288:xqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:xjHPOSOkx2LFscUQPxW
- TLSH T1A3D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH