Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
20/07/2026, 02:20
General
- Target 2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe
- Size 797KB
- Sample260720-csg4yscv2q
- SHA256 b935cdf6ead669f50201327fc6a75e64a062bab8a2a6b324dc56d26c94382906
Malware Config
Extracted
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djvu
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http://tbpws.top/fhsgtsspen6/get.php
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extension
.efdc
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offline_id
rCmd3j4aykEBx0X7GSZFXZTRaA1p1vOlNlSS59t1
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payload_url
http://securebiz.org/dl/build2.exe
http://tbpws.top/files/1/build3.exe
-
ransomnote
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Signatures
- Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Detected Djvu ransomware 19 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 5 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).
- 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\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.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\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- 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\22acbd67-2d14-41b9-8f0b-e4234802ddd6" /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\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.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\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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-
-
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C:\Users\Admin\AppData\Local\22acbd67-2d14-41b9-8f0b-e4234802ddd6\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exeC:\Users\Admin\AppData\Local\22acbd67-2d14-41b9-8f0b-e4234802ddd6\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.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\22acbd67-2d14-41b9-8f0b-e4234802ddd6\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exeC:\Users\Admin\AppData\Local\22acbd67-2d14-41b9-8f0b-e4234802ddd6\2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
2026-07-20_ffcc282158d8c8995dc6d78fed3aa7c7_amadey_dharma_elex_rhadamanthys_smoke-loader_stop.exe
memory/1960-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-40-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-49-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-24-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-47-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-46-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-45-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-44-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1960-42-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2236-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2236-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2236-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2236-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2236-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-38-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-35-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4068-2-0x0000000004970000-0x0000000004A8B000-memory.dmp
memory/4068-1-0x0000000004810000-0x00000000048AC000-memory.dmp