Analysis
- max time kernel
148s - max time network
152s - 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, 07:47
Behavioral task
behavioral1
Sample
2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260804-jmh8dszsht
- SHA256 afe8c5a55d1abf550479070003b7fd0eec4609aa2279d55152f26a61f613ee34
- MD5 337a9ddad5cdc3d2c9e3c39451a2bee1
- SHA1 5581904a9bf661345d72036bc51e95e64de0e193
- SHA512 b57f7fb4161f68e6ae4d6b65c9f5193738f62fd6544d3e5d4c9e274569e5c7eb002865f2a11187a466e12f33ca8efd79fd738734ec82886e49e536ea6155cd9c
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:+vO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1D7256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b85f-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000600000001b85f-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4532-0-0x0000000000620000-0x00000000006AC000-memory.dmp UPX behavioral2/files/0x000600000001b85f-2.dat UPX behavioral2/memory/4176-3-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral2/memory/4532-16-0x0000000000620000-0x00000000006AC000-memory.dmp UPX behavioral2/memory/4176-17-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX behavioral2/memory/4176-32-0x0000000000E70000-0x0000000000EFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4176 cad57108 - 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 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 17 114.114.114.114 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 223.5.5.5 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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 cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cad57108 File created C:\Windows\SysWOW64\cad57108 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cad57108 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cad57108 -
resource yara_rule behavioral2/memory/4532-0-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/4176-3-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/memory/4532-16-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/4176-17-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx behavioral2/memory/4176-32-0x0000000000E70000-0x0000000000EFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\477ea0 cad57108 File opened for modification C:\Windows\4d96e8 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cad57108 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cad57108 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cad57108 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cad57108 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cad57108 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cad57108 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cad57108 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cad57108 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cad57108 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cad57108 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4176 cad57108 4176 cad57108 4176 cad57108 4176 cad57108 4176 cad57108 4176 cad57108 4176 cad57108 4176 cad57108 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4532 2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4176 cad57108 Token: SeTcbPrivilege 4176 cad57108
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_337a9ddad5cdc3d2c9e3c39451a2bee1_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:4532
-
C:\Windows\Syswow64\cad57108C:\Windows\Syswow64\cad571081⤵
- 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:4176
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cad57108
- Size 1022KB
- SHA256 4ab977a1b8edd3b992493fc872d915030e3eb382f4693aa0c87ff5fe5ec27f37
- MD5 8fd9a5ef5c1d58b6952af602cde4fe0c
- SHA1 2d546c4adea4641a9d226ad374566011ab1a50dd
- SHA512 e01da74af7f38d7c9885194100226f284eedf564dbb2858d1a5a09c89e4f91f5fa9df87cfe6f2280234e8ac3f45adbecda31705064e79375a0724d599eb584d5
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:RvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T11C256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH