Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 12:25
Behavioral task
behavioral1
Sample
2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260816-plnpdaxend
- SHA256 4ffa116eac132e37a3e19bcc040440d396e5bd3372e8a490ed2a3ce811966d76
- MD5 f89e4b2ce6c84f67384dc66411d176ce
- SHA1 8445bf3d2c25460a1f17d9c95a2f28b1468080e9
- SHA512 9d9f1cdd8fd87cad275ef217172529c074a4b96719c0b46f15e26fdf5c26cfd55d9899bf1d6ce2662d3d2a99c10a208f11352b00c8a65c3427abc07e58c2c317
- SSDEEP 12288:oqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:ojHPOSOkx2LFscUQPxW
- TLSH T1E7D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral2/memory/6856-0-0x00000000005A0000-0x0000000000629000-memory.dmp UPX behavioral2/files/0x001200000001157e-2.dat UPX behavioral2/memory/5280-3-0x0000000000860000-0x00000000008E9000-memory.dmp UPX behavioral2/memory/6856-18-0x00000000005A0000-0x0000000000629000-memory.dmp UPX behavioral2/memory/5280-20-0x0000000000860000-0x00000000008E9000-memory.dmp UPX behavioral2/memory/6856-39-0x00000000005A0000-0x0000000000629000-memory.dmp UPX behavioral2/memory/5280-40-0x0000000000860000-0x00000000008E9000-memory.dmp UPX behavioral2/memory/5280-42-0x0000000000860000-0x00000000008E9000-memory.dmp UPX behavioral2/memory/6856-43-0x00000000005A0000-0x0000000000629000-memory.dmp UPX behavioral2/memory/6856-49-0x00000000005A0000-0x0000000000629000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5280 a5f8e79c - 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 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 4 223.5.5.5 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 18 114.114.114.114 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 19 223.5.5.5 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_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\Content.IE5 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a5f8e79c File created C:\Windows\SysWOW64\a5f8e79c 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a5f8e79c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a5f8e79c -
resource yara_rule behavioral2/memory/6856-0-0x00000000005A0000-0x0000000000629000-memory.dmp upx behavioral2/files/0x001200000001157e-2.dat upx behavioral2/memory/5280-3-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/6856-18-0x00000000005A0000-0x0000000000629000-memory.dmp upx behavioral2/memory/5280-20-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/6856-39-0x00000000005A0000-0x0000000000629000-memory.dmp upx behavioral2/memory/5280-40-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/5280-42-0x0000000000860000-0x00000000008E9000-memory.dmp upx behavioral2/memory/6856-43-0x00000000005A0000-0x0000000000629000-memory.dmp upx behavioral2/memory/6856-49-0x00000000005A0000-0x0000000000629000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5a6540 a5f8e79c File opened for modification C:\Windows\756090 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_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 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a5f8e79c - 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 a5f8e79c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a5f8e79c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a5f8e79c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a5f8e79c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a5f8e79c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a5f8e79c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a5f8e79c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a5f8e79c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a5f8e79c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 5280 a5f8e79c 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 6856 2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 5280 a5f8e79c Token: SeTcbPrivilege 5280 a5f8e79c
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_f89e4b2ce6c84f67384dc66411d176ce_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:6856
-
C:\Windows\Syswow64\a5f8e79cC:\Windows\Syswow64\a5f8e79c1⤵
- 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:5280
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\a5f8e79c
- Size 618KB
- SHA256 dc0eb7881db7a24bf09ccc900ad01f5984318e8c0cf55ccf6c62f2f1c5253f82
- MD5 e6fb8effb2344ba5dc7415611506b389
- SHA1 93a3201ef4c3cba67acf2f0127f931a389a2de4d
- SHA512 0e51763ca6d0411bc7a3dbfdd2138213a6af194b5bf5b346029d842d08b88db16e6f11463c611c2f9f079e6ca3071c897f8a31ab0b0d37f7cc30bac6ddfcb38c
- SSDEEP 12288:4qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:4jHPOSOkx2LFscUQPxW
- TLSH T1FCD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH