Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 18:53
Behavioral task
behavioral1
Sample
2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
- Size 832KB
- Sample260808-xjnwcsshjh
- SHA256 41d5386b57871c10073d161fe6471d9badaaf215bdb513044485e71ae4f45458
- MD5 70e19561be1cb24163d49789ee5b7905
- SHA1 37e75390814ed200ddf47182776136233b521411
- SHA512 0a4dee5b391d3e6208ec57c66537c23ffdd12a5320d623833218d24f03a4e9b1a0586d5f5709a9e1714b0e5f9bf101fbd72ca99e816f8632cfe6d63fb62c7f6d
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:QvO2xJKRw2kOkx2LFRvcUv
- TLSH T12F055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b83c-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000700000001b83c-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4100-0-0x00000000000A0000-0x000000000012C000-memory.dmp UPX behavioral2/files/0x000700000001b83c-2.dat UPX behavioral2/memory/904-3-0x0000000000630000-0x00000000006BC000-memory.dmp UPX behavioral2/memory/4100-18-0x00000000000A0000-0x000000000012C000-memory.dmp UPX behavioral2/memory/904-19-0x0000000000630000-0x00000000006BC000-memory.dmp UPX behavioral2/memory/904-34-0x0000000000630000-0x00000000006BC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 904 f8e98fc4 - 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 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Destination IP 12 114.114.114.114 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Destination IP 13 223.5.5.5 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Destination IP 1 114.114.114.114 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f8e98fc4 File created C:\Windows\SysWOW64\f8e98fc4 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8e98fc4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f8e98fc4 -
resource yara_rule behavioral2/memory/4100-0-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/files/0x000700000001b83c-2.dat upx behavioral2/memory/904-3-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/4100-18-0x00000000000A0000-0x000000000012C000-memory.dmp upx behavioral2/memory/904-19-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/904-34-0x0000000000630000-0x00000000006BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\463188 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe File opened for modification C:\Windows\f7a10 f8e98fc4 - 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 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f8e98fc4 - 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 f8e98fc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f8e98fc4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f8e98fc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f8e98fc4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f8e98fc4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f8e98fc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f8e98fc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f8e98fc4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f8e98fc4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 904 f8e98fc4 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Token: SeTcbPrivilege 4100 2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe Token: SeDebugPrivilege 904 f8e98fc4 Token: SeTcbPrivilege 904 f8e98fc4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_70e19561be1cb24163d49789ee5b7905_amadey_coinminer_cryptolocker_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:4100
-
C:\Windows\Syswow64\f8e98fc4C:\Windows\Syswow64\f8e98fc41⤵
- 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:904
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:6032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f8e98fc4
- Size 832KB
- SHA256 a2fbe4c83c0fcb06405ebd3719cfc599cf7f073f2eef96a1d5e4b3b8c9f9b857
- MD5 715da18e3a4f3a3bfec8b6e8c0c2621f
- SHA1 08e7657703216dce1479cf56aa248d1138b9f1e1
- SHA512 4d429ac2feb056b864237e3012e746955415f62121a8b5bd7a8975173e3f740f12cb38e591b4a48ee06e94a81b1c8689e69dc2ed3983e851eda622a7eacdaa44
- SSDEEP 12288:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:PvO2xJKRw2kOkx2LFRvcUv
- TLSH T1A8055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH