Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 17:35
Behavioral task
behavioral1
Sample
2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260730-v6ak5stcrd
- SHA256 ccc5ed481747b520e73f70f32fc0c59ffec7f97245ceaf3eb40e7225b9b991d6
- MD5 638c611a95e2079874706468d6127dfd
- SHA1 6b9f1e78d20ac30a81e37020d90f3f3ba3f7c502
- SHA512 48e75064354940b26966f4ae1cd4ce4804b3e3c77ef6ee20e66be60126fbe6d3d00ebfe1c1cf4fc7286dd3c560b0380635da26399b7a7dbb2da9cae35e23d82d
- SSDEEP 24576:fvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:fHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1B8858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001b87d-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001b87d-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/1132-0-0x0000000000670000-0x00000000006FC000-memory.dmp UPX behavioral2/files/0x000d00000001b87d-2.dat UPX behavioral2/memory/5360-3-0x0000000000A10000-0x0000000000A9C000-memory.dmp UPX behavioral2/memory/1132-16-0x0000000000670000-0x00000000006FC000-memory.dmp UPX behavioral2/memory/5360-17-0x0000000000A10000-0x0000000000A9C000-memory.dmp UPX behavioral2/memory/5360-32-0x0000000000A10000-0x0000000000A9C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5360 f1f5bcd0 - 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 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 17 114.114.114.114 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 18 223.5.5.5 1132 2026-07-30_638c611a95e2079874706468d6127dfd_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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1f5bcd0 File created C:\Windows\SysWOW64\f1f5bcd0 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f1f5bcd0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f1f5bcd0 -
resource yara_rule behavioral2/memory/1132-0-0x0000000000670000-0x00000000006FC000-memory.dmp upx behavioral2/files/0x000d00000001b87d-2.dat upx behavioral2/memory/5360-3-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx behavioral2/memory/1132-16-0x0000000000670000-0x00000000006FC000-memory.dmp upx behavioral2/memory/5360-17-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx behavioral2/memory/5360-32-0x0000000000A10000-0x0000000000A9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5bc3e0 f1f5bcd0 File opened for modification C:\Windows\136158 2026-07-30_638c611a95e2079874706468d6127dfd_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 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1f5bcd0 - 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 f1f5bcd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f1f5bcd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f1f5bcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f1f5bcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f1f5bcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f1f5bcd0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f1f5bcd0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f1f5bcd0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f1f5bcd0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 5360 f1f5bcd0 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 1132 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 5360 f1f5bcd0 Token: SeTcbPrivilege 5360 f1f5bcd0
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_638c611a95e2079874706468d6127dfd_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:1132
-
C:\Windows\Syswow64\f1f5bcd0C:\Windows\Syswow64\f1f5bcd01⤵
- 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:5360
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f1f5bcd0
- Size 1.7MB
- SHA256 20efc139bda7cb750fa194e802362b27e1794d357aba8de4388244913d299d36
- MD5 882c6ff91305e73c7d0229f813f68294
- SHA1 40fb1031536f64b4b14d621e2a5233f50c5568c3
- SHA512 8bb3a61e00643dcf1809d5b32f4dea52693b498bdf36d9f65fa85d14b114928a76a26fb1b99eb918ae1adddd0065da6690367ca61412090ae03488cf75ae33c1
- SSDEEP 24576:IvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:IHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T11B858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH