Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
26/07/2026, 04:24
General
- Target 5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe
- Size 781KB
- Sample260726-e1rdpsbm9z
- SHA256 5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3
Malware Config
Extracted
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djvu
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http://zexeq.com/test1/get.php
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extension
.vaze
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offline_id
BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1
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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 23 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 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 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 9 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 31 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\Temp\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.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\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\Temp\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.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\f29f1a86-dedd-4a51-bd53-fe8db65b30a7" /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\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\Temp\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.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\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\Temp\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 5685⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2172 -ip 21721⤵
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C:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exeC:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.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\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exeC:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe" --Admin IsNotAutoStart IsNotTask3⤵
- 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\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe"C:\Users\Admin\AppData\Local\f29f1a86-dedd-4a51-bd53-fe8db65b30a7\5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- 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
70825F0EABF2526E540CA0F7C268D189
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
70825F0EABF2526E540CA0F7C268D189
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
build3.exe
bowsakkdestx.txt
5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3.exe
memory/1552-37-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1552-44-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-54-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-71-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-84-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-83-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-82-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-81-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-79-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-78-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-67-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-53-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-50-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1692-52-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2172-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2172-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2172-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2332-24-0x0000000000400000-0x0000000000741000-memory.dmp
memory/2332-30-0x0000000000400000-0x0000000000741000-memory.dmp
memory/2676-1-0x00000000008F0000-0x0000000000984000-memory.dmp
memory/2676-2-0x0000000002480000-0x000000000259B000-memory.dmp
memory/3276-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3276-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3276-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3276-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3276-22-0x0000000000400000-0x0000000000537000-memory.dmp