Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/04/2026, 03:32
Behavioral task
behavioral1
Sample
2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
12 signatures
150 seconds
General
- Target 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260417-d3rxksht4x
- SHA256 a04e197548072514c8d91b2986ed9ffaa6fb7f61a78bed637ae26fc7557d5ce7
- MD5 3d95337be7cb3e59a258a807c95d5609
- SHA1 4808fbcd4c9600546960910fd77823ccb6064fcc
- SHA512 9a458f0dd0d3d9684519fb5b5e72af18be213f124cdb62b7301fbb2079eff97a8ee21c7d352e200bc1f18e46b9d10294fb4cb95752f1e3de8e99ebd820589e85
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:UvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1AF357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00090000000230e6-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00090000000230e6-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4616-0-0x0000000000B80000-0x0000000000C0C000-memory.dmp UPX behavioral1/files/0x00090000000230e6-2.dat UPX behavioral1/memory/3936-4-0x0000000000D90000-0x0000000000E1C000-memory.dmp UPX behavioral1/memory/4616-10-0x0000000000B80000-0x0000000000C0C000-memory.dmp UPX behavioral1/memory/3936-11-0x0000000000D90000-0x0000000000E1C000-memory.dmp UPX behavioral1/memory/3936-21-0x0000000000D90000-0x0000000000E1C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3936 ccfd66ba - 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 34 223.5.5.5 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 33 114.114.114.114 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_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\IE ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ccfd66ba File created C:\Windows\SysWOW64\ccfd66ba 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ccfd66ba File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ccfd66ba -
resource yara_rule behavioral1/memory/4616-0-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral1/files/0x00090000000230e6-2.dat upx behavioral1/memory/3936-4-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/memory/4616-10-0x0000000000B80000-0x0000000000C0C000-memory.dmp upx behavioral1/memory/3936-11-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx behavioral1/memory/3936-21-0x0000000000D90000-0x0000000000E1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4362c0 ccfd66ba File opened for modification C:\Windows\4f0710 2026-04-17_3d95337be7cb3e59a258a807c95d5609_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 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ccfd66ba - 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 ccfd66ba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ccfd66ba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ccfd66ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ccfd66ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ccfd66ba Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ccfd66ba Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ccfd66ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ccfd66ba Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ccfd66ba - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 3936 ccfd66ba 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4616 2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3936 ccfd66ba Token: SeTcbPrivilege 3936 ccfd66ba
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_3d95337be7cb3e59a258a807c95d5609_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:4616
-
C:\Windows\Syswow64\ccfd66baC:\Windows\Syswow64\ccfd66ba1⤵
- 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:3936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ccfd66ba
- Size 1.1MB
- SHA256 8c4346c9997890efaf534776c528fa22c61e3cbbab87ca5ee7bc8790d5318e8e
- MD5 b5cbefd183926910e2d28fe561c450a3
- SHA1 259693314b9fab6abfba1fd95d9ed41cb60ec7a1
- SHA512 3388e3a35a9faf39ee91c96def8a8d1c5bf2a03acbabcf6f8961e078b797e48d79c2ebfaba514b91465e1f1eb69c26c3dd1fe878415800bcf226a43c0a18be53
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:wvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T109357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH