Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 01:05
Behavioral task
behavioral1
Sample
2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1024KB
- Sample260416-bfg3ragt2x
- SHA256 b887ad7cb102a2a333b4c18d41c42f683deb5eb8a14d8d41213522183852fafe
- MD5 8349d2d8c70fbd5fa36157b34f541fa1
- SHA1 20df167fc465ae48f5860d8f7a1b16d851c9de0c
- SHA512 c83e01fff7149508fb9118d0aef38ed32a96036bcec588e9f089f8395e16e08498c00c55e06e02a1bb30e11fb475e0ca293bbff8edb55564c2af3b89dacfffad
- SSDEEP 12288:DSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:2vO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T1E6256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x005600000002b191-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x005600000002b191-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/2364-0-0x00000000001C0000-0x000000000024C000-memory.dmp UPX behavioral2/files/0x005600000002b191-2.dat UPX behavioral2/memory/4888-3-0x00000000000D0000-0x000000000015C000-memory.dmp UPX behavioral2/memory/2364-15-0x00000000001C0000-0x000000000024C000-memory.dmp UPX behavioral2/memory/4888-16-0x00000000000D0000-0x000000000015C000-memory.dmp UPX behavioral2/memory/4888-34-0x00000000000D0000-0x000000000015C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4888 aa0cdf5c - 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 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 13 114.114.114.114 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 14 223.5.5.5 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_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 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData aa0cdf5c File created C:\Windows\SysWOW64\aa0cdf5c 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa0cdf5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa0cdf5c -
resource yara_rule behavioral2/memory/2364-0-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/files/0x005600000002b191-2.dat upx behavioral2/memory/4888-3-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/2364-15-0x00000000001C0000-0x000000000024C000-memory.dmp upx behavioral2/memory/4888-16-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral2/memory/4888-34-0x00000000000D0000-0x000000000015C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\53af30 aa0cdf5c File opened for modification C:\Windows\2878f8 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_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 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa0cdf5c - 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 aa0cdf5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" aa0cdf5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" aa0cdf5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" aa0cdf5c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing aa0cdf5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" aa0cdf5c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ aa0cdf5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" aa0cdf5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" aa0cdf5c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 4888 aa0cdf5c 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2364 2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4888 aa0cdf5c Token: SeTcbPrivilege 4888 aa0cdf5c
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_8349d2d8c70fbd5fa36157b34f541fa1_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:2364
-
C:\Windows\Syswow64\aa0cdf5cC:\Windows\Syswow64\aa0cdf5c1⤵
- 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:4888
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\aa0cdf5c
- Size 1024KB
- SHA256 e9243b0416b99c4d31709291381b7b08bf1e36762f48578381dd68979e262eff
- MD5 674699b39f0240123089ca831806433c
- SHA1 52a79202d0081aed7ac6f943419b8aa5664a720e
- SHA512 940f21533866c7cfe63965e64308c98e0101f8b0eedcbc0d8143c52a0323a022c9b4079b778990bdd8c379835c002c9520328f5da9a2ccf57c36d19ad64bb5ef
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:kvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T17C256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH