Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/08/2026, 17:25
Behavioral task
behavioral1
Sample
2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.1MB
- Sample260806-vze72sbc46
- SHA256 847bde16df8b73e7d2d84cc4e428d8513e9d3182ced58460c2bde7256c18b3b3
- MD5 298af5105f9bf6fec054ba74913f71f1
- SHA1 6aecbd5b1771834c7f611f8ffbe62497312b792c
- SHA512 6032996971229089ec30c26378cd0811669f87d08b0653cd30e36da23812d73e3d29128e1a1dfb6df3a25c1f2c1038c10f7baf8750fbd6e12b702bae391c0769
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:vvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T101357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c0000000242e6-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000c0000000242e6-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/1124-0-0x00000000006F0000-0x000000000077C000-memory.dmp UPX behavioral1/files/0x000c0000000242e6-2.dat UPX behavioral1/memory/5012-3-0x00000000002D0000-0x000000000035C000-memory.dmp UPX behavioral1/memory/1124-16-0x00000000006F0000-0x000000000077C000-memory.dmp UPX behavioral1/memory/5012-17-0x00000000002D0000-0x000000000035C000-memory.dmp UPX behavioral1/memory/5012-34-0x00000000002D0000-0x000000000035C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5012 42e7017b - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 381 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 441 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 442 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 51 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 122 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 131 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 188 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 190 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 380 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 52 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 123 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 282 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 349 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 286 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 118 114.114.114.114 5012 42e7017b Destination IP 350 223.5.5.5 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_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\INetCache\IE 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 42e7017b File created C:\Windows\SysWOW64\42e7017b 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 42e7017b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 42e7017b -
resource yara_rule behavioral1/memory/1124-0-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral1/files/0x000c0000000242e6-2.dat upx behavioral1/memory/5012-3-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral1/memory/1124-16-0x00000000006F0000-0x000000000077C000-memory.dmp upx behavioral1/memory/5012-17-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral1/memory/5012-34-0x00000000002D0000-0x000000000035C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\55cea8 42e7017b File opened for modification C:\Windows\133e48 2026-08-06_298af5105f9bf6fec054ba74913f71f1_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 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 42e7017b - 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 42e7017b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 42e7017b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 42e7017b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 42e7017b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 42e7017b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 42e7017b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 42e7017b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 42e7017b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 42e7017b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5012 42e7017b 5012 42e7017b 5012 42e7017b 5012 42e7017b 5012 42e7017b 5012 42e7017b 5012 42e7017b 5012 42e7017b 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 1124 2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 5012 42e7017b Token: SeTcbPrivilege 5012 42e7017b
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_298af5105f9bf6fec054ba74913f71f1_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_298af5105f9bf6fec054ba74913f71f1_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:1124
-
C:\Windows\Syswow64\42e7017bC:\Windows\Syswow64\42e7017b1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:5012
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\42e7017b
- Size 1.1MB
- SHA256 40384eadab1cc96ef1f9ca1efd13b3d88387ae69b9fb0581f47de5cd72a1845a
- MD5 3faa6679f6848a7c6e9d6ee3382a509c
- SHA1 6b1a5beb0bf250c069da43e097b68a014878fedb
- SHA512 8a7504e0fa5fef9e5aa1e2bf40518b85a17fc2bbeb3754f3f609579c1435dc2c080edaf327209bef281b7a3271dc41d18e4951936c35b7cc4392ca2fa0734723
- SSDEEP 12288:rSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:evO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1CB357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH