Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
19/05/2026, 02:42
Behavioral task
behavioral1
Sample
2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260519-c7emdabs2j
- SHA256 c545709a6efe07491b7f9a5e939d055a3f16b6db0e1cf621c908d010a2b2d583
- MD5 dd656d401ff46f863ef41203b8063d49
- SHA1 126a1b139c60814422ef6fd419d0bcc935f0b666
- SHA512 045d6354c4e22a8f96f09cb8be9185118da73fdd55acee37ed65c0ca1519fe4fc5110894bae65173962e27b546c03e1d30084b09260cf36b3686dbb8dc8fbdce
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:vvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T164357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x002500000002b2a7-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x002500000002b2a7-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4076-0-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/files/0x002500000002b2a7-2.dat UPX behavioral2/memory/4540-4-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/memory/4076-10-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/memory/4540-11-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/memory/4540-29-0x00000000001E0000-0x000000000026C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4540 b2b7a49a - 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 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 8 114.114.114.114 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 9 223.5.5.5 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b2b7a49a File created C:\Windows\SysWOW64\b2b7a49a 2026-05-19_dd656d401ff46f863ef41203b8063d49_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 b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b2b7a49a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b2b7a49a -
resource yara_rule behavioral2/memory/4076-0-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/files/0x002500000002b2a7-2.dat upx behavioral2/memory/4540-4-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4076-10-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4540-11-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/4540-29-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4db9f8 b2b7a49a File opened for modification C:\Windows\45c858 2026-05-19_dd656d401ff46f863ef41203b8063d49_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 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b2b7a49a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b2b7a49a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b2b7a49a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b2b7a49a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b2b7a49a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b2b7a49a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b2b7a49a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b2b7a49a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b2b7a49a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b2b7a49a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4540 b2b7a49a 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4076 2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4540 b2b7a49a Token: SeTcbPrivilege 4540 b2b7a49a
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-19_dd656d401ff46f863ef41203b8063d49_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-19_dd656d401ff46f863ef41203b8063d49_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:4076
-
C:\Windows\Syswow64\b2b7a49aC:\Windows\Syswow64\b2b7a49a1⤵
- 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:4540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b2b7a49a
- Size 1.1MB
- SHA256 c661d9f043056b8016a6458b46a14ee375e87b06b2d81845657c96e9967d671f
- MD5 27559f73fe4069aede5972cde4590a60
- SHA1 f9fdc59e700d8b1ff58d889f34cbd3fa0576fae4
- SHA512 924ba92263a6aea53bc7a4405d198fc85f09340ebac2cb1cbafb2bcd2e40f22777a699b0c00f7b4a652887615ebd9db0a9b12aaa25fbf6d80cbaf9931feff4e8
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:2vO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T135357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH