Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
windows10-2004-x64
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 behavioral1/files/0x0005000000023208-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0005000000023208-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/620-0-0x0000000000990000-0x0000000000A1C000-memory.dmp UPX behavioral1/files/0x0005000000023208-2.dat UPX behavioral1/memory/1580-4-0x0000000000530000-0x00000000005BC000-memory.dmp UPX behavioral1/memory/620-10-0x0000000000990000-0x0000000000A1C000-memory.dmp UPX behavioral1/memory/1580-11-0x0000000000530000-0x00000000005BC000-memory.dmp UPX behavioral1/memory/1580-25-0x0000000000530000-0x00000000005BC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1580 7e728de4 - 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 4 223.5.5.5 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 52 114.114.114.114 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 53 223.5.5.5 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 620 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\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7e728de4 File created C:\Windows\SysWOW64\7e728de4 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\Content.IE5 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7e728de4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7e728de4 -
resource yara_rule behavioral1/memory/620-0-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral1/files/0x0005000000023208-2.dat upx behavioral1/memory/1580-4-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/620-10-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral1/memory/1580-11-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral1/memory/1580-25-0x0000000000530000-0x00000000005BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1b0cd8 7e728de4 File opened for modification C:\Windows\a9d58 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_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 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7e728de4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7e728de4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7e728de4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7e728de4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7e728de4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7e728de4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7e728de4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7e728de4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7e728de4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7e728de4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1580 7e728de4 1580 7e728de4 1580 7e728de4 1580 7e728de4 1580 7e728de4 1580 7e728de4 1580 7e728de4 1580 7e728de4 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 620 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 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 620 2026-08-08_b907f359bc711f8ffaad8e8a49898f57_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1580 7e728de4 Token: SeTcbPrivilege 1580 7e728de4
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:620
-
C:\Windows\Syswow64\7e728de4C:\Windows\Syswow64\7e728de41⤵
- 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:1580
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7e728de4
- Size 1.7MB
- SHA256 3992c45484ac3c15d2a3be9e577de4bd67f96dbd2f7cd7f9d2054ef86075289f
- MD5 2ee97c52ff2bc5f43c04e2d2713746a3
- SHA1 9eba78fe257baf9578b14ca5977690e6eb500d14
- SHA512 03104a1ca4576e4164d22e6ac4806c40cadc142398bbdf98a50ac6ce56df8af1d36b1b7b94215fb1b79ee79f602ecc65acb5b851c1d9952b3b40df0db57bccb3
- SSDEEP 24576:1vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:1HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T163858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH