General
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Target
Start10ThemeEdit.zip
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Size
18.8MB
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Sample
250223-sprf8aslcq
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MD5
cf10c8709428174183af1be4d2a63cea
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SHA1
377a0205815eaa58b14f120de9bb0f065e505f23
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SHA256
07ad80ce87f2db34c10bc924702cc631834106d7ba5c2076a35c1ae933e09591
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SHA512
e99c5033d78d31e2f06cb32d41b4cfbef54590fde82409096ba929b1699d686c75e8bf4f26e3e3495f35b95e4f07f8d59edb41b861c0059bec3018e5145a3b0d
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SSDEEP
393216:k4WO3jY54Civs5nBOBE/rwQIkPsfXNPHEkgCKdzCbqvDLuj4N:k4WEY54CEsfwEwQe/NvnnKdRXN
Static task
static1
Behavioral task
behavioral1
Sample
Start10ThemeEdit.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Start10ThemeEdit.exe
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
Start10ThemeEdit.exe
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Size
660.7MB
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MD5
c12dfa79c1d3ca0a3c3ed007a4f25564
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SHA1
5fc6404fb8d78be78d76272b3c3c869f90198792
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SHA256
94e8892bd96427806b523b9fe551bc639297aeb58267c58c4cb7980b36a517a5
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SHA512
5fe1dda86201129915b0569e2793a7f17c4fbe7d0fc881f7a0e4390608ec6dd4369addb243ebc5c29011e1df72218f79cbd42aa53f896fb0958e572f4494d345
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SSDEEP
393216:fkcbf0j8aPknFM7mqF6WEuDLEXgqqIv1MCNrrPgLX3wRHyN6:scj0PPknFymqXE8gXKkJrPgL6SE
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Detect Vidar Stealer
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Vidar family
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Downloads MZ/PE file
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
4Credentials In Files
4