Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 16:56
Behavioral task
behavioral1
Sample
2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260806-vf67eswcle
- SHA256 765ad7eaa0e27250fcf8888f31aba8a902a0924c6528a31d863bf9c6e7c56e62
- MD5 a38666ba474829fda4b5087d314f79f3
- SHA1 7714884fc51b85de1e6a6abae61a07eaa7754a9e
- SHA512 025d1b9050338e57ae1dfbd37eb33c0d0dec701d2e5f055340e49a0cfd4c426da35068dfd6ea166a56b7400072c01a3b9b0bd5f54f13300fe95f5818f89134fd
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:EvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1B5357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x001100000001b303-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x001100000001b303-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1444-0-0x00000000004E0000-0x000000000056C000-memory.dmp UPX behavioral2/files/0x001100000001b303-2.dat UPX behavioral2/memory/4968-3-0x0000000000900000-0x000000000098C000-memory.dmp UPX behavioral2/memory/1444-18-0x00000000004E0000-0x000000000056C000-memory.dmp UPX behavioral2/memory/4968-19-0x0000000000900000-0x000000000098C000-memory.dmp UPX behavioral2/memory/4968-40-0x0000000000900000-0x000000000098C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4968 f71e4dd7 - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 236 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 40 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 96 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 235 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 293 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 322 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 376 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 323 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 41 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 95 114.114.114.114 4968 f71e4dd7 Destination IP 181 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 292 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 377 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 124 114.114.114.114 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 125 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 182 223.5.5.5 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\f71e4dd7 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f71e4dd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f71e4dd7 -
resource yara_rule behavioral2/memory/1444-0-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral2/files/0x001100000001b303-2.dat upx behavioral2/memory/4968-3-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral2/memory/1444-18-0x00000000004E0000-0x000000000056C000-memory.dmp upx behavioral2/memory/4968-19-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral2/memory/4968-40-0x0000000000900000-0x000000000098C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\550dd0 f71e4dd7 File opened for modification C:\Windows\18b8c8 2026-08-06_a38666ba474829fda4b5087d314f79f3_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 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f71e4dd7 - 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 f71e4dd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f71e4dd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f71e4dd7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f71e4dd7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f71e4dd7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f71e4dd7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f71e4dd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f71e4dd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f71e4dd7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 4968 f71e4dd7 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 1444 2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4968 f71e4dd7 Token: SeTcbPrivilege 4968 f71e4dd7
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_a38666ba474829fda4b5087d314f79f3_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:1444
-
C:\Windows\Syswow64\f71e4dd7C:\Windows\Syswow64\f71e4dd71⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4968
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f71e4dd7
- Size 1.1MB
- SHA256 1c5917b22302bf224634393e019c2964fd8db6575c2e9e30dc8e7a2e712d23fb
- MD5 f96610bf6dd1179d8fbc150bfa1d3d01
- SHA1 cb1c8fc0d0476eab435796053b3c1189836d592a
- SHA512 6e2ff8a95e7e1ffd43b90d4c1e87c06cec703e81f4ad47fd17f5d7610c6cc91a60bc479582cccb657c3fe0594c3eab423e89426eae341a743a03ed5154feab63
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:QvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T196357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH