Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 12:35
Behavioral task
behavioral1
Sample
2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1024KB
- Sample260511-psbndsds8n
- SHA256 3df2574024ae616f5c931fd49f58d32987cadf36f6e877c19c75b12634271a80
- MD5 ab07d1ed66a08c575a98d1f70ae7398b
- SHA1 add89cf31d7cd4a02e1c0db08c7250a90e254df4
- SHA512 496bbe5964f0ddee0c808cd7ae7a4c23a140f1d078715d1b29cf2f660aaa035899567b6db33a50f2a22fb94d8efaf6bab7b826fb068ea98dd825f92918efaaff
- SSDEEP 12288:+SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:9vO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T130256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x002400000002b0cb-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x002400000002b0cb-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3672-0-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral2/files/0x002400000002b0cb-2.dat UPX behavioral2/memory/3584-4-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/memory/3672-18-0x0000000000460000-0x00000000004EC000-memory.dmp UPX behavioral2/memory/3584-19-0x00000000001E0000-0x000000000026C000-memory.dmp UPX behavioral2/memory/3584-24-0x00000000001E0000-0x000000000026C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3584 99bbf0cc - 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 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 10 114.114.114.114 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 11 223.5.5.5 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 99bbf0cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 99bbf0cc File created C:\Windows\SysWOW64\99bbf0cc 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe -
resource yara_rule behavioral2/memory/3672-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/files/0x002400000002b0cb-2.dat upx behavioral2/memory/3584-4-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/3672-18-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/3584-19-0x00000000001E0000-0x000000000026C000-memory.dmp upx behavioral2/memory/3584-24-0x00000000001E0000-0x000000000026C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3d5c00 99bbf0cc File opened for modification C:\Windows\3eddb0 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_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 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 99bbf0cc - 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 99bbf0cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 99bbf0cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 99bbf0cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 99bbf0cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 99bbf0cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 99bbf0cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 99bbf0cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 99bbf0cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 99bbf0cc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3584 99bbf0cc 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3672 2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3584 99bbf0cc Token: SeTcbPrivilege 3584 99bbf0cc
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_ab07d1ed66a08c575a98d1f70ae7398b_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:3672
-
C:\Windows\Syswow64\99bbf0ccC:\Windows\Syswow64\99bbf0cc1⤵
- 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:3584
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\99bbf0cc
- Size 1024KB
- SHA256 bb462776c18d1c0907971cf322fc231ee5e02f47cf9da2fe2f6500d4610971a7
- MD5 93a1febc69aee5f36d4d90b2508bf7dd
- SHA1 f2a8608d1b125f25d68cfc2c3170d8228fc76217
- SHA512 551a934cde3bf8125fcdf561d08de86c874a81900b056a5feee29f9afb1cd9bc7d536eb8253b673966164db5095f72a7cd23c646316449077ec22a1590cb34d5
- SSDEEP 12288:HSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:yvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T160256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH