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
29/05/2026, 12:11
Behavioral task
behavioral1
Sample
2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260529-pcxwpabz4m
- SHA256 a676ff03373d302e17bceb1edd585cd58067d519660db594f073fc451d84d419
- MD5 8347ec6ea664cba64be4c9609a1a78e2
- SHA1 0f16d7f32bc51e8293327f492b0e28257659f085
- SHA512 ea6379bcbd3af77f12e0053aff6bd690a64ebe7c1cf6c2d07453628de90002cd48c6f94e5229e7b59f1ddffb4f1a26badfde21b325eb70675b527fc3af9c35a6
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:0vO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T13B357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000243cc-2.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000243cc-2.dat CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/4784-0-0x0000000000560000-0x00000000005EC000-memory.dmp UPX behavioral1/files/0x000b0000000243cc-2.dat UPX behavioral1/memory/4792-4-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral1/memory/4784-10-0x0000000000560000-0x00000000005EC000-memory.dmp UPX behavioral1/memory/4792-11-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX behavioral1/memory/4792-22-0x0000000000D30000-0x0000000000DBC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4792 98692f40 - 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 5 223.5.5.5 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 47 114.114.114.114 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 52 223.5.5.5 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\98692f40 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 98692f40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 98692f40 -
resource yara_rule behavioral1/memory/4784-0-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral1/files/0x000b0000000243cc-2.dat upx behavioral1/memory/4792-4-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/4784-10-0x0000000000560000-0x00000000005EC000-memory.dmp upx behavioral1/memory/4792-11-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/4792-22-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\520a70 98692f40 File opened for modification C:\Windows\51e760 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_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 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98692f40 - 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 98692f40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 98692f40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 98692f40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 98692f40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 98692f40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 98692f40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 98692f40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 98692f40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 98692f40 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4792 98692f40 4792 98692f40 4792 98692f40 4792 98692f40 4792 98692f40 4792 98692f40 4792 98692f40 4792 98692f40 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 4784 2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4792 98692f40 Token: SeTcbPrivilege 4792 98692f40
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-29_8347ec6ea664cba64be4c9609a1a78e2_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:4784
-
C:\Windows\Syswow64\98692f40C:\Windows\Syswow64\98692f401⤵
- 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:4792
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\98692f40
- Size 1.1MB
- SHA256 102e41bdbcf0fb5d10fa6d602f7fb78b2069b485abd600a3a5b047799b599ba7
- MD5 47489bab25d8be208b25507da82a1d27
- SHA1 3ca975f9a739597d06b8a3d0e6482267de31e507
- SHA512 64b8f7041682f485fdac8eb22b77c4a99d10fd79caf62972008977ddb99300998fb4ab867e5b0f4268c7632b2096132acb69bfda023e794ae4c284201074649a
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:UvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T11A357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH