Analysis
- max time kernel
149s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/07/2026, 22:23
Behavioral task
behavioral1
Sample
2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260724-2bbchsvaph
- SHA256 5eb67e5a3ac3cbac21683aa949d787504b8a91a2f0661cdb0512a5e3ad432a14
- MD5 961fa9156fcdf4602be0d69fbf24c9ca
- SHA1 bfa1d560a1619733e2c35606c0219b2b9fb29159
- SHA512 4b957cd53a54c563fb26d46f0a9efe3416b212a336bb51766aebf16605276e661f1f10f3ba52b79c2f414652eab61e974ed97622c75c6ac4e360d5c0c96d81b3
- SSDEEP 24576:avO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:aHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T119858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000002434e-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c00000002434e-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/2568-0-0x0000000000DB0000-0x0000000000E3C000-memory.dmp UPX behavioral1/files/0x000c00000002434e-2.dat UPX behavioral1/memory/4188-4-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX behavioral1/memory/2568-10-0x0000000000DB0000-0x0000000000E3C000-memory.dmp UPX behavioral1/memory/4188-11-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX behavioral1/memory/4188-32-0x0000000000D50000-0x0000000000DDC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4188 b6b24243 - 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 5 114.114.114.114 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 37 114.114.114.114 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 39 223.5.5.5 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b6b24243 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b6b24243 File created C:\Windows\SysWOW64\b6b24243 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe -
resource yara_rule behavioral1/memory/2568-0-0x0000000000DB0000-0x0000000000E3C000-memory.dmp upx behavioral1/files/0x000c00000002434e-2.dat upx behavioral1/memory/4188-4-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx behavioral1/memory/2568-10-0x0000000000DB0000-0x0000000000E3C000-memory.dmp upx behavioral1/memory/4188-11-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx behavioral1/memory/4188-32-0x0000000000D50000-0x0000000000DDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47b338 b6b24243 File opened for modification C:\Windows\2bf710 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_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 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b6b24243 - 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 b6b24243 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b6b24243 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b6b24243 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b6b24243 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b6b24243 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b6b24243 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b6b24243 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b6b24243 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b6b24243 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4188 b6b24243 4188 b6b24243 4188 b6b24243 4188 b6b24243 4188 b6b24243 4188 b6b24243 4188 b6b24243 4188 b6b24243 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2568 2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4188 b6b24243 Token: SeTcbPrivilege 4188 b6b24243
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_961fa9156fcdf4602be0d69fbf24c9ca_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:2568
-
C:\Windows\Syswow64\b6b24243C:\Windows\Syswow64\b6b242431⤵
- 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:4188
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b6b24243
- Size 1.7MB
- SHA256 60a9021e5d1f9ec9caac99f3c54720d748ab8aa1f325cae05711c9c53594ce71
- MD5 16426600b033d85d1954a7d4a4fda326
- SHA1 fea20d128a600a08ac01bd9c6ff69f88ab330b4d
- SHA512 a177346317e7f394f13364c954150620902eab883f1a7c224a0d2f8a5eb12e29f28fc01e7b3de9f59d0f691c0f4f668844523e4d7bea143dddb145f8769fbb39
- SSDEEP 24576:DvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:DHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T121858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH