Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 12:27
General
- Target 14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe
- Size 773KB
- Sample260809-pmxnnsxfpg
- SHA256 14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7
Malware Config
Extracted
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djvu
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http://sajdfue.com/test1/get.php
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extension
.uajs
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/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 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 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).
- 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\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe"C:\Users\Admin\AppData\Local\Temp\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.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\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe"C:\Users\Admin\AppData\Local\Temp\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.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\1941a441-2eee-41a0-94ad-34433451848a" /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\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe"C:\Users\Admin\AppData\Local\Temp\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.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\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe"C:\Users\Admin\AppData\Local\Temp\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\1941a441-2eee-41a0-94ad-34433451848a\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exeC:\Users\Admin\AppData\Local\1941a441-2eee-41a0-94ad-34433451848a\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.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\1941a441-2eee-41a0-94ad-34433451848a\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exeC:\Users\Admin\AppData\Local\1941a441-2eee-41a0-94ad-34433451848a\14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe2⤵
- Executes dropped EXE
- 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
Loading Replay Monitor...
Downloads
70825F0EABF2526E540CA0F7C268D189
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
70825F0EABF2526E540CA0F7C268D189
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
14d41863a6fcb2d11b554cb85f4f8f00bf8f6c4444ce1c1eadb1c15eccaa01e7.exe
memory/1260-1-0x0000000002E30000-0x0000000002EC9000-memory.dmp
memory/1260-2-0x0000000004970000-0x0000000004A8B000-memory.dmp
memory/2988-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2988-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3592-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3592-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3592-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3592-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3592-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-41-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-43-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-44-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-45-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-50-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-51-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-48-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-52-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4540-53-0x0000000000400000-0x0000000000537000-memory.dmp