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
07/05/2026, 01:25
Behavioral task
behavioral1
Sample
2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe
- Size 618KB
- Sample260507-btejsahs5n
- SHA256 b666894cf43dea42ec7acafbeccc8ad98a139802ae985d200dea28e78fec8a2a
- MD5 484e7a903158754546fc2d7c35c515ab
- SHA1 e644268ad0aa637e496ccb5c4c5c61c1a4b1822a
- SHA512 8b278a34d9d153396cf67609b5d35d41a8cc7ceb9af4c1d0ad953ec3b4dc9c4b0e33dc20af4c9e731774c2c0740b4f840fa354b449930f59b6a09ec05d15ca80
- SSDEEP 12288:GqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:GjHPOSOkx2LFscUQPxW
- TLSH T13ED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/memory/4368-0-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/files/0x000600000002a7e0-2.dat UPX behavioral2/memory/3016-4-0x00000000001E0000-0x0000000000269000-memory.dmp UPX behavioral2/memory/4368-15-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/memory/3016-17-0x00000000001E0000-0x0000000000269000-memory.dmp UPX behavioral2/memory/4368-32-0x0000000000480000-0x0000000000509000-memory.dmp UPX behavioral2/memory/3016-34-0x00000000001E0000-0x0000000000269000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3016 cb66609f - 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 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 2 223.5.5.5 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 11 114.114.114.114 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Destination IP 12 223.5.5.5 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\cb66609f 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cb66609f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cb66609f -
resource yara_rule behavioral2/memory/4368-0-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/files/0x000600000002a7e0-2.dat upx behavioral2/memory/3016-4-0x00000000001E0000-0x0000000000269000-memory.dmp upx behavioral2/memory/4368-15-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/memory/3016-17-0x00000000001E0000-0x0000000000269000-memory.dmp upx behavioral2/memory/4368-32-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral2/memory/3016-34-0x00000000001E0000-0x0000000000269000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\33a290 cb66609f File opened for modification C:\Windows\4ac820 2026-05-07_484e7a903158754546fc2d7c35c515ab_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 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb66609f - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cb66609f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cb66609f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cb66609f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cb66609f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cb66609f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cb66609f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cb66609f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cb66609f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cb66609f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3016 cb66609f 3016 cb66609f 3016 cb66609f 3016 cb66609f 3016 cb66609f 3016 cb66609f 3016 cb66609f 3016 cb66609f 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeTcbPrivilege 4368 2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe Token: SeDebugPrivilege 3016 cb66609f Token: SeTcbPrivilege 3016 cb66609f
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-07_484e7a903158754546fc2d7c35c515ab_amadey_coinminer_elex_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-07_484e7a903158754546fc2d7c35c515ab_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:4368
-
C:\Windows\Syswow64\cb66609fC:\Windows\Syswow64\cb66609f1⤵
- 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:3016
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cb66609f
- Size 618KB
- SHA256 a753f80f6f7e23aa1e560111da16b1a102a58ff4755b81e4e92873464248be18
- MD5 e60ba56df466db2e5204a213e745ca34
- SHA1 b02d96b342aab2f8595ae4eddf5615d9ac6a4af9
- SHA512 d2a0b9068c6afe615f20ae89ff2a567c85780ef7fd74b8aee00d405581ac6360f063aeaac92168264b4b604fdf660d5f00064791a04028818448ee538f32c040
- SSDEEP 12288:kqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:kjHPOSOkx2LFscUQPxW
- TLSH T154D47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH