General
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Target
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
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Size
93KB
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Sample
241129-tr7fwsvmhv
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MD5
cafbacc31cdd3ecece60d7128cf8bc90
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SHA1
ab73f8a73bf1df39143e55e0c49a61238bf6cbca
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SHA256
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079e
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SHA512
2d3a20a496abd456b5732d8a119cc3b73bbd5bdaf7c79943c7c6c7a98254c0f6a2b017acc75ff894e06086206734841e740b1b47a864c0b1a2935c692d0457fc
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SSDEEP
1536:JxqjQ+P04wsmJC5LpeytM3alnawrRIwxVSHMweio:sr85C5Lpey23alnaEIN/
Behavioral task
behavioral1
Sample
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Public\Music\Sample Music\how_to_back_files.html
Extracted
C:\ProgramData\regid.1991-06.com.microsoft\how_to_back_files.html
Targets
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Target
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079eN.exe
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Size
93KB
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MD5
cafbacc31cdd3ecece60d7128cf8bc90
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SHA1
ab73f8a73bf1df39143e55e0c49a61238bf6cbca
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SHA256
58a4ab673e72f1ea429d520a6d204ab43e6e3539ecd124b197ec92d50cb8079e
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SHA512
2d3a20a496abd456b5732d8a119cc3b73bbd5bdaf7c79943c7c6c7a98254c0f6a2b017acc75ff894e06086206734841e740b1b47a864c0b1a2935c692d0457fc
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SSDEEP
1536:JxqjQ+P04wsmJC5LpeytM3alnawrRIwxVSHMweio:sr85C5Lpey23alnaEIN/
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Detect Neshta payload
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Globeimposter family
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Renames multiple (7521) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Modifies system executable filetype association
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Adds Run key to start application
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1