Analysis
- max time kernel
150s - max time network
151s - 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, 00:03
Behavioral task
behavioral1
Sample
2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
windows11-21h2-x64
13 signatures
150 seconds
General
- Target 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260511-acgr5sgv31
- SHA256 cae6b6226222ecb58e214b75dbf7cfa7de4941207577b464b00762af1e71d220
- MD5 7757b906e17d6c947a1ddf780aafdefd
- SHA1 eca2d5d463d336d0dc7d29611c4a24b2b15a92d8
- SHA512 0c9fe03180ce745c8e4004b7fabb1382c993b14371c6e58a4609bb03515ec39074f4f19b16deda07cd6c22015d5f69467b9ea46eaa9eb7e9dc6b9bbe82076cd0
- SSDEEP 24576:PvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:PHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T141858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x002200000002b133-3.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x002200000002b133-3.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/3352-0-0x0000000000740000-0x00000000007CC000-memory.dmp UPX behavioral2/files/0x002200000002b133-3.dat UPX behavioral2/memory/956-4-0x0000000000470000-0x00000000004FC000-memory.dmp UPX behavioral2/memory/3352-12-0x0000000000740000-0x00000000007CC000-memory.dmp UPX behavioral2/memory/956-14-0x0000000000470000-0x00000000004FC000-memory.dmp UPX behavioral2/memory/956-42-0x0000000000470000-0x00000000004FC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 956 8e3b2838 - 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 32 223.5.5.5 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 1 114.114.114.114 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 31 114.114.114.114 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_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\Local\Microsoft\Windows\INetCache\IE 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8e3b2838 File created C:\Windows\SysWOW64\8e3b2838 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_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 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8e3b2838 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8e3b2838 -
resource yara_rule behavioral2/memory/3352-0-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/files/0x002200000002b133-3.dat upx behavioral2/memory/956-4-0x0000000000470000-0x00000000004FC000-memory.dmp upx behavioral2/memory/3352-12-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/memory/956-14-0x0000000000470000-0x00000000004FC000-memory.dmp upx behavioral2/memory/956-42-0x0000000000470000-0x00000000004FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\105df8 8e3b2838 File opened for modification C:\Windows\396330 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_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 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8e3b2838 - 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 8e3b2838 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8e3b2838 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8e3b2838 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8e3b2838 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 8e3b2838 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8e3b2838 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8e3b2838 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8e3b2838 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8e3b2838 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 8e3b2838 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 8e3b2838 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 956 8e3b2838 956 8e3b2838 956 8e3b2838 956 8e3b2838 956 8e3b2838 956 8e3b2838 956 8e3b2838 956 8e3b2838 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3352 2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 956 8e3b2838 Token: SeTcbPrivilege 956 8e3b2838
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-10_7757b906e17d6c947a1ddf780aafdefd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-10_7757b906e17d6c947a1ddf780aafdefd_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:3352
-
C:\Windows\Syswow64\8e3b2838C:\Windows\Syswow64\8e3b28381⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:956
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8e3b2838
- Size 1.7MB
- SHA256 409846b91e2a68ff8f65c760fa5e65be52f54aa4376dd46613d2f807a0d5a61c
- MD5 5004c80fa5b80cfa1604ad2bf28619cf
- SHA1 a6e57eb37724d3e18edd0bfc5cbc21b695345455
- SHA512 68f16e6c445881b7d4e1f9a2137c99b512133bc711dfa70fce2f0be543c4b1c6c678bdb0f5a8422ebc47988daa89502625ed4281b4cd6559dc7eecced16a3729
- SSDEEP 24576:HvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:HHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T12D858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH