Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/04/2026, 08:29
Behavioral task
behavioral1
Sample
2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1024KB
- Sample260422-kdmpwsfv2w
- SHA256 2a19b666db8383d0a9c28990a9e5a4d00304426eee2b7c3256fa5c6b00b122b3
- MD5 77b1c0eae9c283fa41ed90c2c76417f5
- SHA1 812ff55dddcfa06235693acec25579f35401a9ac
- SHA512 1f8826ba2c06b3a234fb40edb844911b66db58c27958c265c53faff0f5d86315a86fa5e8a3791c64d14ea5e5ff2cbb37a539495cd712e1ec2c3c78f250752812
- SSDEEP 12288:4SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:TvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T110256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00080000000244e6-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00080000000244e6-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/2572-0-0x0000000000800000-0x000000000088C000-memory.dmp UPX behavioral1/memory/5136-3-0x0000000000890000-0x000000000091C000-memory.dmp UPX behavioral1/files/0x00080000000244e6-2.dat UPX behavioral1/memory/2572-10-0x0000000000800000-0x000000000088C000-memory.dmp UPX behavioral1/memory/5136-11-0x0000000000890000-0x000000000091C000-memory.dmp UPX behavioral1/memory/5136-32-0x0000000000890000-0x000000000091C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5136 581733f8 - 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 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 28 114.114.114.114 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 29 223.5.5.5 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_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\3EC845F33427F1C99AF855BE8930371C 581733f8 File created C:\Windows\SysWOW64\581733f8 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 581733f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 581733f8 -
resource yara_rule behavioral1/memory/2572-0-0x0000000000800000-0x000000000088C000-memory.dmp upx behavioral1/memory/5136-3-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/files/0x00080000000244e6-2.dat upx behavioral1/memory/2572-10-0x0000000000800000-0x000000000088C000-memory.dmp upx behavioral1/memory/5136-11-0x0000000000890000-0x000000000091C000-memory.dmp upx behavioral1/memory/5136-32-0x0000000000890000-0x000000000091C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\57ee20 581733f8 File opened for modification C:\Windows\2c0898 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_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 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 581733f8 - 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 581733f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 581733f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 581733f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 581733f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 581733f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 581733f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 581733f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 581733f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 581733f8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5136 581733f8 5136 581733f8 5136 581733f8 5136 581733f8 5136 581733f8 5136 581733f8 5136 581733f8 5136 581733f8 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2572 2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 5136 581733f8 Token: SeTcbPrivilege 5136 581733f8
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-22_77b1c0eae9c283fa41ed90c2c76417f5_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:2572
-
C:\Windows\Syswow64\581733f8C:\Windows\Syswow64\581733f81⤵
- 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:5136
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\581733f8
- Size 1024KB
- SHA256 0fad88d1ef9a4979f2ee0f005d73d42b62544c38d8693be86631484c0cab9891
- MD5 d81bc18ff0cd3791173a3f725c0c09e9
- SHA1 9902c45be4e7d9f59b59a17a084b6e41507b7fbf
- SHA512 55642246f25bb7f27e34e6060a0fb9f12a58a2dc90ef70b2d438874425ec76a892522aa6266567fb767db7588b752be0c710231ab92ef347abe4ffe0d5daa857
- SSDEEP 12288:HSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:yvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T1A8256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH