Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/04/2026, 23:30
Behavioral task
behavioral1
Sample
2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260424-3hlmhagw6x
- SHA256 aebcfdae8ab4d4fa4d566291c7fe0d9c5e8c1fc06feca309713769c11cb3329f
- MD5 f1f3b064781bdc572906f7a57c0a1421
- SHA1 55d8a9c8c940da813ef1360b3108cafea9c6ea2a
- SHA512 f903a9ce32089a4097b6a1b5ce3254d5aecb018ec2b2d9438dbf9fe7bd2c645d84ec8f61d33119e2db52404de475290b269572870666737f781312ba642bdd3f
- SSDEEP 12288:XSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:ivO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T13A256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000e000000024266-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000e000000024266-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4396-0-0x0000000000060000-0x00000000000EC000-memory.dmp UPX behavioral1/files/0x000e000000024266-2.dat UPX behavioral1/memory/3804-4-0x00000000006F0000-0x000000000077C000-memory.dmp UPX behavioral1/memory/4396-10-0x0000000000060000-0x00000000000EC000-memory.dmp UPX behavioral1/memory/3804-11-0x00000000006F0000-0x000000000077C000-memory.dmp UPX behavioral1/memory/3804-22-0x00000000006F0000-0x000000000077C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3804 936707ca - 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 3 114.114.114.114 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 17 114.114.114.114 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 223.5.5.5 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_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\936707ca 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_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 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 936707ca File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 936707ca -
resource yara_rule behavioral1/memory/4396-0-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral1/files/0x000e000000024266-2.dat upx behavioral1/memory/3804-4-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral1/memory/4396-10-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral1/memory/3804-11-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral1/memory/3804-22-0x00000000006F0000-0x000000000077C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\412038 936707ca File opened for modification C:\Windows\4b42d8 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_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 936707ca Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 936707ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 936707ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 936707ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 936707ca Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 936707ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 936707ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 936707ca Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 936707ca Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 936707ca - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3804 936707ca 3804 936707ca 3804 936707ca 3804 936707ca 3804 936707ca 3804 936707ca 3804 936707ca 3804 936707ca 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4396 2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3804 936707ca Token: SeTcbPrivilege 3804 936707ca
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-24_f1f3b064781bdc572906f7a57c0a1421_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-24_f1f3b064781bdc572906f7a57c0a1421_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:4396
-
C:\Windows\Syswow64\936707caC:\Windows\Syswow64\936707ca1⤵
- 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:3804
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\936707ca
- Size 1022KB
- SHA256 27a70d81f6bdb6f7988ac061b46ba55be5a11e09de6e8cc7abff9cd1617db154
- MD5 b62f89e93b799a76f3fa08c68d124288
- SHA1 7a31f699965eeed96aecbe480187f245bf70735a
- SHA512 2c989ef2b555c5ae937537369f166f53154fd4458227cfc9ac0ac0dad0be6c241ab209fb4ebb93fbaef66505dd51902bb371b64d992e04ae4671da71fdbb8b88
- SSDEEP 12288:CSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:JvO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T148256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH