Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
windows10-2004-x64
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 behavioral1/files/0x00080000000244c2-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00080000000244c2-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/3056-0-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral1/files/0x00080000000244c2-2.dat UPX behavioral1/memory/1980-4-0x0000000000900000-0x000000000098C000-memory.dmp UPX behavioral1/memory/3056-13-0x0000000000720000-0x00000000007AC000-memory.dmp UPX behavioral1/memory/1980-14-0x0000000000900000-0x000000000098C000-memory.dmp UPX behavioral1/memory/1980-24-0x0000000000900000-0x000000000098C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 1980 56ebb624 - 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 4 223.5.5.5 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 38 114.114.114.114 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 39 223.5.5.5 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 3056 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\Local\Microsoft\Windows\INetCookies 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 56ebb624 File created C:\Windows\SysWOW64\56ebb624 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 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 56ebb624 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 56ebb624 -
resource yara_rule behavioral1/memory/3056-0-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral1/files/0x00080000000244c2-2.dat upx behavioral1/memory/1980-4-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral1/memory/3056-13-0x0000000000720000-0x00000000007AC000-memory.dmp upx behavioral1/memory/1980-14-0x0000000000900000-0x000000000098C000-memory.dmp upx behavioral1/memory/1980-24-0x0000000000900000-0x000000000098C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\21e5f8 56ebb624 File opened for modification C:\Windows\3451e0 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 56ebb624 - 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 56ebb624 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 56ebb624 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 56ebb624 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 56ebb624 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 56ebb624 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 56ebb624 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 56ebb624 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 56ebb624 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 56ebb624 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1980 56ebb624 1980 56ebb624 1980 56ebb624 1980 56ebb624 1980 56ebb624 1980 56ebb624 1980 56ebb624 1980 56ebb624 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3056 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 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3056 2026-07-30_638c611a95e2079874706468d6127dfd_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 1980 56ebb624 Token: SeTcbPrivilege 1980 56ebb624
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:3056
-
C:\Windows\Syswow64\56ebb624C:\Windows\Syswow64\56ebb6241⤵
- 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:1980
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\56ebb624
- Size 1.7MB
- SHA256 7cf388e12b4c074c6603dc08a9d2e8737d34105960ccf8087f33d7ecbf4b6405
- MD5 734cc64a04c4968b7e0ef72844a86ca8
- SHA1 a5b75ed664d904a53f2ff7fcd3ae270f92a0f375
- SHA512 c63bd8bf747f42c8425d876e155944bb4f16173765d212de72a897d254e427816256dd943edd40ad5d5c489f634ad03ce14102cbaad8b643c4bbdb060c2e3b55
- SSDEEP 24576:YvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:YHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T101858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH