Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 23:18
Behavioral task
behavioral1
Sample
2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260628-3adxpags9x
- SHA256 d38eba790af049131950b07beaabacdea5b99038d056abfb0fad2d8fe28f523d
- MD5 399aa9ea52757ece576e8aa47f642004
- SHA1 af6c73fc57ce35f83c964b8eefd4f4bf504639e6
- SHA512 1a9d39d1151ef2f87ad9ca7c15d24f4158ca8e10501fa6d50f22053c0245be0229d9a6b3308f1cb291575f7753381b4888fb4cc125ba3724d1dbb89343f77222
- SSDEEP 12288:kSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:XvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1E9256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00080000000007b0-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00080000000007b0-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2588-0-0x00000000002F0000-0x000000000037C000-memory.dmp UPX behavioral2/files/0x00080000000007b0-2.dat UPX behavioral2/memory/3748-3-0x0000000000E80000-0x0000000000F0C000-memory.dmp UPX behavioral2/memory/2588-18-0x00000000002F0000-0x000000000037C000-memory.dmp UPX behavioral2/memory/3748-19-0x0000000000E80000-0x0000000000F0C000-memory.dmp UPX behavioral2/memory/3748-30-0x0000000000E80000-0x0000000000F0C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3748 e7f4f750 - 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 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 23 114.114.114.114 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 24 223.5.5.5 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e7f4f750 File created C:\Windows\SysWOW64\e7f4f750 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e7f4f750 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e7f4f750 -
resource yara_rule behavioral2/memory/2588-0-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/files/0x00080000000007b0-2.dat upx behavioral2/memory/3748-3-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/2588-18-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral2/memory/3748-19-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx behavioral2/memory/3748-30-0x0000000000E80000-0x0000000000F0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\402ac8 e7f4f750 File opened for modification C:\Windows\2c4eb8 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.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 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e7f4f750 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e7f4f750 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e7f4f750 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e7f4f750 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e7f4f750 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e7f4f750 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e7f4f750 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e7f4f750 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e7f4f750 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e7f4f750 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 3748 e7f4f750 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2588 2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3748 e7f4f750 Token: SeTcbPrivilege 3748 e7f4f750
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_399aa9ea52757ece576e8aa47f642004_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.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:2588
-
C:\Windows\Syswow64\e7f4f750C:\Windows\Syswow64\e7f4f7501⤵
- 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:3748
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e7f4f750
- Size 1022KB
- SHA256 9e6b750340493c84998f51075e9782e5871d66d848176d69aafec5e88b844d7e
- MD5 988bd81ad8eb82df4d25ccfe776dcd5b
- SHA1 f45e5d67186333b6eca40685c2b1d714f5f47560
- SHA512 871b535b7a755640b021bf3b38f191a7c8fb65e0db1d6433fa88aa2a79fda49a4928e7fab0b922ab6a5af94466a2bddb9bd9d53c02008aefa684ec678270cf63
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:TvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T198256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH