Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
02/06/2026, 15:36
Behavioral task
behavioral1
Sample
2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260602-s19ryag19y
- SHA256 853ff45cf532d684b52c62dab8521e2518867471615bfb51f441048be083a868
- MD5 166f46907432feeb4960485862ffe76a
- SHA1 4ed8ddfc3a90028017502b9122da04ee21c8c801
- SHA512 b09420b3fbc9138a06c5d603c1019aa98ae0a3284954f00f194a8b4cbd6ea37601ce17f608a48b6f18afcfaf930039a55ea79fbbfa71168afed5a82dd22fbae3
- SSDEEP 12288:oSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:jvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1D4357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001f00000002b27b-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001f00000002b27b-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4348-0-0x0000000000560000-0x00000000005EC000-memory.dmp UPX behavioral2/files/0x001f00000002b27b-2.dat UPX behavioral2/memory/1848-4-0x00000000003A0000-0x000000000042C000-memory.dmp UPX behavioral2/memory/4348-10-0x0000000000560000-0x00000000005EC000-memory.dmp UPX behavioral2/memory/1848-11-0x00000000003A0000-0x000000000042C000-memory.dmp UPX behavioral2/memory/1848-16-0x00000000003A0000-0x000000000042C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1848 bc8837d8 - 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 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 7 114.114.114.114 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 8 223.5.5.5 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\bc8837d8 2026-06-02_166f46907432feeb4960485862ffe76a_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 bc8837d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bc8837d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bc8837d8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bc8837d8 -
resource yara_rule behavioral2/memory/4348-0-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/files/0x001f00000002b27b-2.dat upx behavioral2/memory/1848-4-0x00000000003A0000-0x000000000042C000-memory.dmp upx behavioral2/memory/4348-10-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral2/memory/1848-11-0x00000000003A0000-0x000000000042C000-memory.dmp upx behavioral2/memory/1848-16-0x00000000003A0000-0x000000000042C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1fa370 bc8837d8 File opened for modification C:\Windows\4a7078 2026-06-02_166f46907432feeb4960485862ffe76a_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 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc8837d8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bc8837d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bc8837d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bc8837d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bc8837d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bc8837d8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bc8837d8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bc8837d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bc8837d8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bc8837d8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 1848 bc8837d8 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4348 2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1848 bc8837d8 Token: SeTcbPrivilege 1848 bc8837d8
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-02_166f46907432feeb4960485862ffe76a_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-02_166f46907432feeb4960485862ffe76a_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:4348
-
C:\Windows\Syswow64\bc8837d8C:\Windows\Syswow64\bc8837d81⤵
- 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:1848
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bc8837d8
- Size 1.1MB
- SHA256 bbcbbc3e582989e5fadb4cfe6ca7d00c4e61c7a14eee39e16f269b086daea9f2
- MD5 0131e6c6b4ceb04bac9c576a22499797
- SHA1 d8e96cc194c99f915a34c56985cc4017519ad2d6
- SHA512 626b31344ccf59518407150f818ae3d72f16a35c19badff185a6e9210836e50c60a05ba96d0d985694663006c145f96b7434dce8aa432bd6ae1ad1ad13818524
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:mvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T134357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH