Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 13:44
General
- Target 557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe
- Size 757KB
- Sample260809-q2bv7a11ft
- SHA256 557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311
Malware Config
Extracted
-
djvu
-
http://habrafa.com/test2/get.php
-
extension
.wiaw
-
offline_id
4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1
- payload_url
-
ransomnote
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Signatures
- Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Detected Djvu ransomware 20 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 3 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\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe"C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.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\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe"C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.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
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\5d56fe53-ecea-4cc1-b853-bf92625d62fc" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe"C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe"C:\Users\Admin\AppData\Local\Temp\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
-
-
C:\Users\Admin\AppData\Local\5d56fe53-ecea-4cc1-b853-bf92625d62fc\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exeC:\Users\Admin\AppData\Local\5d56fe53-ecea-4cc1-b853-bf92625d62fc\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5d56fe53-ecea-4cc1-b853-bf92625d62fc\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exeC:\Users\Admin\AppData\Local\5d56fe53-ecea-4cc1-b853-bf92625d62fc\557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
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
557ece892da38340d69ed65ac32d1fe4f714643342dedbcbb166e5f334d82311.exe
memory/2044-28-0x0000000000400000-0x0000000001AA9000-memory.dmp
memory/2044-43-0x0000000000400000-0x0000000001AA9000-memory.dmp
memory/3364-22-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-6-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3364-2-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3492-3-0x0000000003800000-0x000000000391B000-memory.dmp
memory/3492-1-0x0000000003760000-0x00000000037FB000-memory.dmp
memory/4680-49-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-48-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-58-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-50-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-57-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-51-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-53-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-56-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-55-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5304-34-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5304-41-0x0000000000400000-0x0000000000537000-memory.dmp