Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 12:44
Behavioral task
behavioral1
Sample
2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260804-pyks9aer2y
- SHA256 1f64b33fab2f6b68674d650f5b33733a3eac8b96b6a8242946b314c36332186e
- MD5 2667e5bb433b9eaeb1c1a0251864fb63
- SHA1 3957cd57169c2caf25893087452b1ab5610c96ca
- SHA512 5216ed1401ba830911995b25af6918f3e4b3f6c9213979666e05a9034db2760ceb4cf141e647562adc3f2ccd67141cc6cbe45179656dcfcec9592049b723227f
- SSDEEP 24576:PvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:PHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T15D858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c532-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c532-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3476-0-0x00000000005A0000-0x000000000062C000-memory.dmp UPX behavioral2/files/0x000d00000001c532-2.dat UPX behavioral2/memory/4504-3-0x00000000004F0000-0x000000000057C000-memory.dmp UPX behavioral2/memory/3476-16-0x00000000005A0000-0x000000000062C000-memory.dmp UPX behavioral2/memory/4504-17-0x00000000004F0000-0x000000000057C000-memory.dmp UPX behavioral2/memory/4504-32-0x00000000004F0000-0x000000000057C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4504 17956199 - 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 21 223.5.5.5 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 20 114.114.114.114 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 17956199 File created C:\Windows\SysWOW64\17956199 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_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 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 17956199 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 17956199 -
resource yara_rule behavioral2/memory/3476-0-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/files/0x000d00000001c532-2.dat upx behavioral2/memory/4504-3-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/3476-16-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/memory/4504-17-0x00000000004F0000-0x000000000057C000-memory.dmp upx behavioral2/memory/4504-32-0x00000000004F0000-0x000000000057C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4d1c30 17956199 File opened for modification C:\Windows\3b82a8 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_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 17956199 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - 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" 17956199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 17956199 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 17956199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 17956199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 17956199 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 17956199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 17956199 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 17956199 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 17956199 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4504 17956199 4504 17956199 4504 17956199 4504 17956199 4504 17956199 4504 17956199 4504 17956199 4504 17956199 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3476 2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4504 17956199 Token: SeTcbPrivilege 4504 17956199
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_2667e5bb433b9eaeb1c1a0251864fb63_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:3476
-
C:\Windows\Syswow64\17956199C:\Windows\Syswow64\179561991⤵
- 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:4504
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\17956199
- Size 1.7MB
- SHA256 43a0770844acf7ebd6ff4b05a9001071792b0135a9484388fd2c507345f4635d
- MD5 ee2f4e58f5c5e75de8d61aea966d7928
- SHA1 0caaae516690b3a20d22583b26778bff70f5a6b2
- SHA512 1228a0b6f461a20e554f1564dad1b9bec621413ff803e0d0cb24c4d501dee46f8243334003d9d2c25f8f3495b77bec3ed41a8eb9e966a928b6b7aefade0f0e17
- SSDEEP 24576:YvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:YHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1E7858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH