Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 00:07
Behavioral task
behavioral1
Sample
2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260809-aef9dswgrd
- SHA256 79685640a8c6543d206a141446adf419d6c1a62d1bd53b12b8c93bc4a668a6a1
- MD5 b907f359bc711f8ffaad8e8a49898f57
- SHA1 6271ee7ec8347ebad2a7b762b4620832d1d7efc1
- SHA512 2a819bcb17c69fc6b552e820ea3bc2c89a7d3476fb4d4c519adc10ae510ffd4e0f6a8c1cceffbcb863d6ffc6b76e3ab0e887e3c71c51f860387482492d0803c7
- SSDEEP 24576:HvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:HHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T19B858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000f00000001b1d0-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000f00000001b1d0-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/944-0-0x0000000000BD0000-0x0000000000C5C000-memory.dmp UPX behavioral2/files/0x000f00000001b1d0-2.dat UPX behavioral2/memory/3428-3-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral2/memory/944-10-0x0000000000BD0000-0x0000000000C5C000-memory.dmp UPX behavioral2/memory/3428-11-0x0000000000010000-0x000000000009C000-memory.dmp UPX behavioral2/memory/3428-28-0x0000000000010000-0x000000000009C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3428 12284cd0 - 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 1 114.114.114.114 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 15 114.114.114.114 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 16 223.5.5.5 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_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\Local\Microsoft\Windows\INetCache\Content.IE5 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 12284cd0 File created C:\Windows\SysWOW64\12284cd0 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 12284cd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 12284cd0 -
resource yara_rule behavioral2/memory/944-0-0x0000000000BD0000-0x0000000000C5C000-memory.dmp upx behavioral2/files/0x000f00000001b1d0-2.dat upx behavioral2/memory/3428-3-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/944-10-0x0000000000BD0000-0x0000000000C5C000-memory.dmp upx behavioral2/memory/3428-11-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/3428-28-0x0000000000010000-0x000000000009C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\102960 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\3ab048 12284cd0 - 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_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 12284cd0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 12284cd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 12284cd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 12284cd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 12284cd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 12284cd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 12284cd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 12284cd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 12284cd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 12284cd0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3428 12284cd0 3428 12284cd0 3428 12284cd0 3428 12284cd0 3428 12284cd0 3428 12284cd0 3428 12284cd0 3428 12284cd0 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 944 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3428 12284cd0 Token: SeTcbPrivilege 3428 12284cd0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_b907f359bc711f8ffaad8e8a49898f57_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:944
-
C:\Windows\Syswow64\12284cd0C:\Windows\Syswow64\12284cd01⤵
- 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:3428
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\12284cd0
- Size 1.7MB
- SHA256 dc2821c238ddd89d4020d10bb74f5db19418fa477f045f5b90797ac7c6a8f3a7
- MD5 dbb5e2cbd9c8d849f06d45654eaa6a3f
- SHA1 bb20705a811f38334e5567fef806c529b4c3eaba
- SHA512 bd7788aca5b781f65399e3ff7ee9e6afbadb82501b23603cc29aae06f3a0b3271e722f7460e4b2fcc2b2b8e8846caa85fa49a5419f3b2f65f4f6ca870f141bd2
- SSDEEP 24576:yvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:yHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T16F858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH