Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/08/2026, 03:58
Behavioral task
behavioral1
Sample
2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260822-ejhp8seb38
- SHA256 8fb9011ffecc705e92d24b41de5916155090f721aed5b4664d688f88092cd870
- MD5 80503268fec0718798e9e1f2eed853b5
- SHA1 be5e4851884fb9912f4153974212238f02cc44ce
- SHA512 09d51a9f9875968da76e29e0ebbbfd5ac7c0ae551f396186b540e305b9b07df85c8d69aef4b8da8ed0c2cedbf0f8bb8a924447947e1524ab04b568210068ffc1
- SSDEEP 24576:jvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1B2858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000400000001dbe7-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000400000001dbe7-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/1500-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp UPX behavioral1/files/0x000400000001dbe7-2.dat UPX behavioral1/memory/3840-4-0x0000000000B50000-0x0000000000BDC000-memory.dmp UPX behavioral1/memory/1500-16-0x0000000000E40000-0x0000000000ECC000-memory.dmp UPX behavioral1/memory/3840-17-0x0000000000B50000-0x0000000000BDC000-memory.dmp UPX behavioral1/memory/3840-30-0x0000000000B50000-0x0000000000BDC000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 3840 af376770 - 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 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 4 223.5.5.5 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 37 114.114.114.114 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 38 223.5.5.5 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_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 af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 af376770 File created C:\Windows\SysWOW64\af376770 2026-08-22_80503268fec0718798e9e1f2eed853b5_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 af376770 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af376770 -
resource yara_rule behavioral1/memory/1500-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/files/0x000400000001dbe7-2.dat upx behavioral1/memory/3840-4-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral1/memory/1500-16-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/memory/3840-17-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral1/memory/3840-30-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\41be00 af376770 File opened for modification C:\Windows\19ae38 2026-08-22_80503268fec0718798e9e1f2eed853b5_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 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language af376770 - 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:" af376770 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" af376770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" af376770 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix af376770 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ af376770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" af376770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" af376770 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" af376770 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing af376770 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3840 af376770 3840 af376770 3840 af376770 3840 af376770 3840 af376770 3840 af376770 3840 af376770 3840 af376770 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 1500 2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 3840 af376770 Token: SeTcbPrivilege 3840 af376770
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-22_80503268fec0718798e9e1f2eed853b5_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-22_80503268fec0718798e9e1f2eed853b5_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:1500
-
C:\Windows\Syswow64\af376770C:\Windows\Syswow64\af3767701⤵
- 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:3840
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\af376770
- Size 1.7MB
- SHA256 e8fa64c9bab1ae8b947abc0a56a2ca8cb47c559a03c2b949218a4e74cc99ac31
- MD5 737f336734b76e50dea52e2e2bef0881
- SHA1 f3f920cc4bca1437e6c96e5a6fd012e6642d6a5e
- SHA512 2fbb257f6cfbea7ce53920222d49989e495894631dff4172986e57bae253a3f22c7e1007bb4914d75dd005ec9ed830720f4509ce30b0727cf9008b5c0307bb91
- SSDEEP 24576:FvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:FHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T135858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH