Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
24/08/2026, 10:02
General
- Target 5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe
- Size 683KB
- Sample260824-l2v7lseq8x
- SHA256 5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc
Malware Config
Extracted
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djvu
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http://zexeq.com/test2/get.php
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extension
.zpww
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offline_id
OnB5BCsUkG8OhWvHL3Y0tNlfgHqdMG4puQsBzvt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.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 21 IoCs
- Checks computer location settings 2 TTPs 2 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 6 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\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe"C:\Users\Admin\AppData\Local\Temp\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.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\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe"C:\Users\Admin\AppData\Local\Temp\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.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\ecd2769a-9e0b-45ae-b8c0-abd343584aec" /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\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe"C:\Users\Admin\AppData\Local\Temp\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.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\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe"C:\Users\Admin\AppData\Local\Temp\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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-
-
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C:\Users\Admin\AppData\Local\ecd2769a-9e0b-45ae-b8c0-abd343584aec\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exeC:\Users\Admin\AppData\Local\ecd2769a-9e0b-45ae-b8c0-abd343584aec\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.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\ecd2769a-9e0b-45ae-b8c0-abd343584aec\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exeC:\Users\Admin\AppData\Local\ecd2769a-9e0b-45ae-b8c0-abd343584aec\5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.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
build3.exe
bowsakkdestx.txt
5d192752f52851d5f724cdbc6d69f560942dae759892ea72f7225ceddef357dc.exe
memory/1260-76-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-71-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-62-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-23-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-75-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-51-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-79-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-78-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-80-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-81-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1260-50-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4328-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4328-30-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4492-2-0x0000000002610000-0x000000000272B000-memory.dmp
memory/4492-1-0x0000000002570000-0x0000000002606000-memory.dmp
memory/4812-17-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4812-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4812-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4812-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4812-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4816-26-0x0000000000400000-0x0000000000833000-memory.dmp
memory/4816-20-0x0000000000400000-0x0000000000833000-memory.dmp