Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 11:32
Behavioral task
behavioral1
Sample
2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
- Size 1022KB
- Sample260804-nnfacayfla
- SHA256 2c8ea37e84c4af97f26f52ab2dbb6d9f8c8558b464c8ecb28dd5cd76662c1f6f
- MD5 6a094d2e9d465b4e13819a80d2718b20
- SHA1 18c03a91ac55b24a91e9717d46c2259b89ebc712
- SHA512 8eda096dbdff8086e237ced4c64244a77fc65e6edcf76fd58ea3ecd355dcf96426bcb64fa0728e33d86e7ab452868139e2f324d10fca3519c3c29639e719eba6
- SSDEEP 12288:ESvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:3vO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T1DC256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00070000000238c4-2.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00070000000238c4-2.dat CryptoLocker_set1 - UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral1/memory/3200-0-0x0000000000B10000-0x0000000000B9C000-memory.dmp UPX behavioral1/files/0x00070000000238c4-2.dat UPX behavioral1/memory/728-3-0x00000000009D0000-0x0000000000A5C000-memory.dmp UPX behavioral1/memory/3200-10-0x0000000000B10000-0x0000000000B9C000-memory.dmp UPX behavioral1/memory/728-11-0x00000000009D0000-0x0000000000A5C000-memory.dmp UPX behavioral1/memory/728-28-0x00000000009D0000-0x0000000000A5C000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 728 e3b0b808 - 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 28 223.5.5.5 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 3 114.114.114.114 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 6 223.5.5.5 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Destination IP 27 114.114.114.114 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_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\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e3b0b808 File created C:\Windows\SysWOW64\e3b0b808 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e3b0b808 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e3b0b808 -
resource yara_rule behavioral1/memory/3200-0-0x0000000000B10000-0x0000000000B9C000-memory.dmp upx behavioral1/files/0x00070000000238c4-2.dat upx behavioral1/memory/728-3-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/memory/3200-10-0x0000000000B10000-0x0000000000B9C000-memory.dmp upx behavioral1/memory/728-11-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/memory/728-28-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\c76b0 e3b0b808 File opened for modification C:\Windows\36c900 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_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 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e3b0b808 - 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:" e3b0b808 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e3b0b808 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e3b0b808 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e3b0b808 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e3b0b808 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e3b0b808 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e3b0b808 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e3b0b808 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e3b0b808 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 728 e3b0b808 728 e3b0b808 728 e3b0b808 728 e3b0b808 728 e3b0b808 728 e3b0b808 728 e3b0b808 728 e3b0b808 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeTcbPrivilege 3200 2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe Token: SeDebugPrivilege 728 e3b0b808 Token: SeTcbPrivilege 728 e3b0b808
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_6a094d2e9d465b4e13819a80d2718b20_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:3200
-
C:\Windows\Syswow64\e3b0b808C:\Windows\Syswow64\e3b0b8081⤵
- 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:728
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e3b0b808
- Size 1022KB
- SHA256 1dac5d3ca88c3a07d841381420788b5fb21dd6e32b73d2ba6e6ba62845e66413
- MD5 95532fd93a0fc688bd8da89c25acce38
- SHA1 671599156af5d77171d67bf59aeba5dd8b523a61
- SHA512 8de189c7ca7a1d19232a19b49cea082d448150647485b8bc46cd2a2d48b5bcda5c0f019748587834ea0f68cc39cf646359fe8a9e133a98331e3995d6312e435e
- SSDEEP 12288:ySvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidT:ZvO2xJKRw2kOkx2LFRvcU6UQOJdT
- TLSH T156256B31A681C036D5B34571C6FA4BBBA9747D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH