Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 21:32
Behavioral task
behavioral1
Sample
2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260805-1dnvysstdv
- SHA256 e1206306b0a308942010d95cb92b472d2c31d50e13352f8199892f29549aa81a
- MD5 2da6dfd3cbae25233459d882f8e574eb
- SHA1 dc9f0fe69faf1c7a982a79ee9ec3871c26217eb8
- SHA512 fef633656b09106154047e8a2da78209d1745ffe24d2b718847467899fc6d9df4ecee6199c3e81c09e1eea15efdc563a52af8b95caa41f5f9d3ecad76f49314e
- SSDEEP 12288:lSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:EvO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T1A9256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x001100000002428e-4.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x001100000002428e-4.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4600-0-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral1/memory/2788-3-0x0000000000100000-0x000000000018C000-memory.dmp UPX behavioral1/files/0x001100000002428e-4.dat UPX behavioral1/memory/4600-18-0x0000000000040000-0x00000000000CC000-memory.dmp UPX behavioral1/memory/2788-19-0x0000000000100000-0x000000000018C000-memory.dmp UPX behavioral1/memory/2788-30-0x0000000000100000-0x000000000018C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2788 fc5ee802 - 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 35 223.5.5.5 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 34 114.114.114.114 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_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 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc5ee802 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc5ee802 File created C:\Windows\SysWOW64\fc5ee802 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe -
resource yara_rule behavioral1/memory/4600-0-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral1/memory/2788-3-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral1/files/0x001100000002428e-4.dat upx behavioral1/memory/4600-18-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral1/memory/2788-19-0x0000000000100000-0x000000000018C000-memory.dmp upx behavioral1/memory/2788-30-0x0000000000100000-0x000000000018C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2fbb48 fc5ee802 File opened for modification C:\Windows\4ec0f0 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_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 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc5ee802 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fc5ee802 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fc5ee802 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fc5ee802 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fc5ee802 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fc5ee802 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fc5ee802 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fc5ee802 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fc5ee802 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fc5ee802 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 2788 fc5ee802 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4600 2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 2788 fc5ee802 Token: SeTcbPrivilege 2788 fc5ee802
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_2da6dfd3cbae25233459d882f8e574eb_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_2da6dfd3cbae25233459d882f8e574eb_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:4600
-
C:\Windows\Syswow64\fc5ee802C:\Windows\Syswow64\fc5ee8021⤵
- 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:2788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fc5ee802
- Size 1022KB
- SHA256 2d5f95f00edb112cdf375a6885b99f3fedb87a15bae6eb69897857bfabcd6695
- MD5 2eb0a3e537ad35433104b56ffd47c2c9
- SHA1 a74522f123d4ce1117cab5e000d651ccceffce77
- SHA512 98ccafd805813146e9b8fefc196d96fe5b352aeb485c556b146134d061e7e5755929e9199a30af61bd9ffb209acfb41a76f75a46202ff0dae7bbe00cf34e2aa4
- SSDEEP 12288:mSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/LikGU5rCOTeidT:FvO2xJKRh2kOkx2LFxNcU6UQOJdT
- TLSH T106256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH