General
- Target rasery1005.exe
- Size 93KB
- Sample260815-t8fphazeng
- SHA256 228082033c343c9f2341f8c6d529188f9ccb63135b32edcc3fd21c3ffcfa6faf
- MD5 2b193823923a2949f586739d96969865
- SHA1 ffec308027fd3c5bf9dfbab0d4a8754b3a14382f
- SHA512 2a9fb145452a7f4b152d30f5081db40e74944c8b14faa36ee9b2ab70fb32d8349c807863852f5aac536dbc66631032198125ef3f6f0a78783b40bf0873d40968
- SSDEEP 1536:G3r3J4cN5GprcET50wL9Uk5Qg8xWzT6U8RfSrMfFPNXH9OMIekWguSUdkCD7t06f:GDzYlKi6bfSrMfF5dqfWZFdk87t06f
- TLSH T1FE934A06726351BCC517C5384AE39A71B931B8A60B307E7F375CEE352F11E816F68A1A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
rasery1005.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rasery1005.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target rasery1005.exe
- Size 93KB
- SHA256 228082033c343c9f2341f8c6d529188f9ccb63135b32edcc3fd21c3ffcfa6faf
- MD5 2b193823923a2949f586739d96969865
- SHA1 ffec308027fd3c5bf9dfbab0d4a8754b3a14382f
- SHA512 2a9fb145452a7f4b152d30f5081db40e74944c8b14faa36ee9b2ab70fb32d8349c807863852f5aac536dbc66631032198125ef3f6f0a78783b40bf0873d40968
- SSDEEP 1536:G3r3J4cN5GprcET50wL9Uk5Qg8xWzT6U8RfSrMfFPNXH9OMIekWguSUdkCD7t06f:GDzYlKi6bfSrMfF5dqfWZFdk87t06f
- TLSH T1FE934A06726351BCC517C5384AE39A71B931B8A60B307E7F375CEE352F11E816F68A1A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (6110) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.
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Boot or Logon Autostart Execution: Print Processors
Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory
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Modifies termsrv.dll
Commonly used to allow simultaneous RDP sessions.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Print Processors
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Print Processors
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
2Install Root Certificate
2