Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 00:14
Behavioral task
behavioral1
Sample
2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260814-ajtehs1erc
- SHA256 ea3cc2b482ca4b3ed9313fb1a910e4efcf01e2dbe6617ecc18d3f6ae5e95722f
- MD5 9c912a705f727f1b44507b625ea36729
- SHA1 cc07e0dac6cb24028826b4fcf9e867413b8d5b88
- SHA512 059865a9066fab63a8f8758c5fb3707061694735711f1b07f1a8c4285f61e6b7a59912f414cd65c4ac83be65112aeb6718b5d344e57e3e332db3949f83fdd411
- SSDEEP 12288:VSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:UvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T127357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000024290-3.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000024290-3.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/2896-0-0x0000000000F50000-0x0000000000FDC000-memory.dmp UPX behavioral1/files/0x000a000000024290-3.dat UPX behavioral1/memory/4600-4-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX behavioral1/memory/2896-18-0x0000000000F50000-0x0000000000FDC000-memory.dmp UPX behavioral1/memory/4600-19-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX behavioral1/memory/4600-30-0x0000000000D70000-0x0000000000DFC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4600 4fa881ea - 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 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 27 114.114.114.114 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 28 223.5.5.5 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_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\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4fa881ea File created C:\Windows\SysWOW64\4fa881ea 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4fa881ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4fa881ea -
resource yara_rule behavioral1/memory/2896-0-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/files/0x000a000000024290-3.dat upx behavioral1/memory/4600-4-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral1/memory/2896-18-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/memory/4600-19-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx behavioral1/memory/4600-30-0x0000000000D70000-0x0000000000DFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ec0f0 4fa881ea File opened for modification C:\Windows\3194a0 2026-08-13_9c912a705f727f1b44507b625ea36729_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 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4fa881ea - 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\Cookies\CachePrefix = "Cookie:" 4fa881ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4fa881ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4fa881ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4fa881ea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4fa881ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4fa881ea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4fa881ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4fa881ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4fa881ea - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 4600 4fa881ea 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 2896 2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 4600 4fa881ea Token: SeTcbPrivilege 4600 4fa881ea
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-13_9c912a705f727f1b44507b625ea36729_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-13_9c912a705f727f1b44507b625ea36729_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:2896
-
C:\Windows\Syswow64\4fa881eaC:\Windows\Syswow64\4fa881ea1⤵
- 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:4600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\4ec0f0
- Size 506B
- SHA256 911615c504ecbc302bff45c65dd61fb160f4d7af04b27efb5b178e9038ed318b
- MD5 8234b6233f4a665b6a2b235acc093f00
- SHA1 ed89283ab8a56cf0f44c50a193ecf4d7093e588b
- SHA512 3b98cf0663ca8b9a2bdd429d935fb8df2283bd2ec3773160610e00d69202f1da7bf280365d45f236157bc40d8103732d8f3861368d6c1f70d4494ee517038413
- TLSH T161F0C07EE41322A68BDB57764D1F69E5A002142FC08AA9E2B49237A80182283DC03C4A
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\4fa881ea
- Size 1.1MB
- SHA256 c7228fb0dda98666a224dfcab3be40049f5eb7a6e41b147139fad05705f4538a
- MD5 cd2b7296858aaa1e20fe32fcbf196dc6
- SHA1 b6c883a32232cebdfd93bf0ffad7d3d267a7b43e
- SHA512 8d14be0cf7d8fd393d0f611f25c5f5d1e97f281345400aacd0a06070195707f2addb993187f3f560cda07cd64a2011aa1f429c587ee6cafc76ef423bd4ce1bbf
- SSDEEP 12288:XSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:ivO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T18C357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH