Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/05/2026, 03:50
Behavioral task
behavioral1
Sample
2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
- Size 830KB
- Sample260516-eeah3ady7j
- SHA256 f61d72a0dec074acce42cb8429ec9b7a134869ab46784229482fee6287265b40
- MD5 f7096c6aafd3283a821df0f73741abca
- SHA1 d7b55fd5242b26b7d36b44eb9f0b1c0ebdd2e8e0
- SHA512 9d510e0ede5a2e2c089f16e2c2c422ca37150c614a85261674bf64562c7b21f5456e6d30a408ef00fcba0b48d40b4f613df6ae7659ea965804a1a3b9734c636b
- SSDEEP 12288:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:PvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T14C055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4744-0-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral2/memory/4940-3-0x00000000008F0000-0x000000000097C000-memory.dmp UPX behavioral2/files/0x002300000002b33b-2.dat UPX behavioral2/memory/4744-10-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral2/memory/4940-11-0x00000000008F0000-0x000000000097C000-memory.dmp UPX behavioral2/memory/4940-16-0x00000000008F0000-0x000000000097C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4940 ca1b4173 - 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 2 223.5.5.5 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 6 114.114.114.114 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 7 223.5.5.5 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Destination IP 1 114.114.114.114 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\ca1b4173 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ca1b4173 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ca1b4173 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ca1b4173 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ca1b4173 -
resource yara_rule behavioral2/memory/4744-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/4940-3-0x00000000008F0000-0x000000000097C000-memory.dmp upx behavioral2/files/0x002300000002b33b-2.dat upx behavioral2/memory/4744-10-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/4940-11-0x00000000008F0000-0x000000000097C000-memory.dmp upx behavioral2/memory/4940-16-0x00000000008F0000-0x000000000097C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\549318 ca1b4173 File opened for modification C:\Windows\513810 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_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 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ca1b4173 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ca1b4173 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ca1b4173 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ca1b4173 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ca1b4173 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ca1b4173 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ca1b4173 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ca1b4173 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ca1b4173 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4940 ca1b4173 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeTcbPrivilege 4744 2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe Token: SeDebugPrivilege 4940 ca1b4173 Token: SeTcbPrivilege 4940 ca1b4173
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-16_f7096c6aafd3283a821df0f73741abca_amadey_coinminer_elex_remcos_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:4744
-
C:\Windows\Syswow64\ca1b4173C:\Windows\Syswow64\ca1b41731⤵
- 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:4940
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ca1b4173
- Size 830KB
- SHA256 89ca25c0c74770f2960343d456eb90e96945822bcba30e0577713b6124b060a5
- MD5 2b5c807f26b34ce5558e5dc07e24fd23
- SHA1 8c629946dd0c4d98e6b69afdffbcd3ade670e4e0
- SHA512 ade30aab0b378c9a4742a5b6f4047cd8ce95af21d99bf6028439b0330d2b8efb9ec93065674571fee3a71cbeb982877087626c3b60a892756c9936e24fe27128
- SSDEEP 12288:aSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:BvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T189055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH