Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
30/09/2026, 10:29
General
- Target 2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe
- Size 801KB
- Sample260930-mja96axtbx
- SHA256 a2f0ca7c8d72a68de4675745e1392786bc053dc56ee824ef3ac43ddf89545961
Malware Config
Extracted
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djvu
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https://wrrst.top/fhsgtsspen6/get.php
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extension
.koom
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offline_id
99p8vN1UYnRVfJrLk31VTLd69Ni5b0ex99QMQKt1
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payload_url
http://securebiz.org/dl/build2.exe
http://wrrst.top/files/1/build3.exe
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ransomnote
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Signatures
- Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Detected Djvu ransomware 18 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c1272fda-2d0e-46b3-af0a-da785a334716" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\c1272fda-2d0e-46b3-af0a-da785a334716\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exeC:\Users\Admin\AppData\Local\c1272fda-2d0e-46b3-af0a-da785a334716\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\c1272fda-2d0e-46b3-af0a-da785a334716\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exeC:\Users\Admin\AppData\Local\c1272fda-2d0e-46b3-af0a-da785a334716\2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
46EA223862F00B4B4D4C489692F7962F
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
46EA223862F00B4B4D4C489692F7962F
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
2026-09-30_724ec54c1ada40bbbec5a3ae7a7fd93f_amadey_elex_karagany_rhadamanthys_smoke-loader.exe
memory/224-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/224-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1052-1-0x0000000002CF0000-0x0000000002D8E000-memory.dmp
memory/1052-2-0x0000000003240000-0x000000000335B000-memory.dmp
memory/3404-57-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-59-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-58-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-56-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-54-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3404-51-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4860-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4860-20-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4860-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4860-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4860-5-0x0000000000400000-0x0000000000537000-memory.dmp