Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/06/2026, 01:55
Behavioral task
behavioral1
Sample
2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260603-cb55fsgt2y
- SHA256 df59263e55163fef5d823e2bdb8f3ea068257e08d4fd6cbbdbe338765b0e5cc2
- MD5 d961f5d90dea25aac04da3a878b042db
- SHA1 22b01907ebaad80d704fba9bde268f4290436bf0
- SHA512 07ab436e43bd86ab970e05adc2cbe0eacbc8fd93457fd3723d440d94b0a0379b6c7fac07405f864f57ccb3f0404eec95aecd35ce2f1dd9f74c55b07a35910d57
- SSDEEP 12288:7SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:OvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T14D357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a00000002a025-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a00000002a025-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/6036-0-0x0000000000C70000-0x0000000000CFC000-memory.dmp UPX behavioral2/files/0x000a00000002a025-2.dat UPX behavioral2/memory/3868-4-0x00000000006C0000-0x000000000074C000-memory.dmp UPX behavioral2/memory/6036-15-0x0000000000C70000-0x0000000000CFC000-memory.dmp UPX behavioral2/memory/3868-16-0x00000000006C0000-0x000000000074C000-memory.dmp UPX behavioral2/memory/3868-34-0x00000000006C0000-0x000000000074C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3868 4dc3105e - 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 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 2 223.5.5.5 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 11 114.114.114.114 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 12 223.5.5.5 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\4dc3105e 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 4dc3105e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 4dc3105e -
resource yara_rule behavioral2/memory/6036-0-0x0000000000C70000-0x0000000000CFC000-memory.dmp upx behavioral2/files/0x000a00000002a025-2.dat upx behavioral2/memory/3868-4-0x00000000006C0000-0x000000000074C000-memory.dmp upx behavioral2/memory/6036-15-0x0000000000C70000-0x0000000000CFC000-memory.dmp upx behavioral2/memory/3868-16-0x00000000006C0000-0x000000000074C000-memory.dmp upx behavioral2/memory/3868-34-0x00000000006C0000-0x000000000074C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6756a8 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\4238b8 4dc3105e - 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 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4dc3105e - 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 4dc3105e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4dc3105e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4dc3105e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4dc3105e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4dc3105e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4dc3105e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4dc3105e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4dc3105e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4dc3105e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 3868 4dc3105e 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 6036 2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3868 4dc3105e Token: SeTcbPrivilege 3868 4dc3105e
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-03_d961f5d90dea25aac04da3a878b042db_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-03_d961f5d90dea25aac04da3a878b042db_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:6036
-
C:\Windows\Syswow64\4dc3105eC:\Windows\Syswow64\4dc3105e1⤵
- 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:3868
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4dc3105e
- Size 1.1MB
- SHA256 015143346a9c347f1e600e1f23aa3f9258427a8d638994ad54d270ced2f4c4be
- MD5 3e116785a1ce1159c179c8428c7141bb
- SHA1 94e57198e5bd7d126f8938d8ee3015f9203e4eba
- SHA512 a626b0f08202e5721c9fbb6c32060fbcde6ff34e4b5515e5c1d0f4812fb9a2023d15490ed55f6150c58c9224034110e059595e4e84ee10adc3e3e0f1106bf135
- SSDEEP 12288:YSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:zvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1E7357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH