General
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Target
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634
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Size
1.2MB
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Sample
230820-ffgjfafa2v
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MD5
3f520f0a58e0f6a68affc7a6b31b0bf2
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SHA1
5c020a7f2cb8f3c17d6d7351166fde08e526d401
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SHA256
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634
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SHA512
16e1918b9435c446b9444701600607e1d3c425d55944026411164dd011a3770145457aa90f8e505b9d7f23d9e90f4a59cd97f070a42fd91178b1ad4c13de2026
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SSDEEP
24576:tt/QqsBX5lT1cH2DTCA+mFPTAv28+xEE4HTfcSMEYmVsbFY:ttbyX5uSVRTAv28i1wT9YmVs
Static task
static1
Behavioral task
behavioral1
Sample
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634.exe
Resource
win10-20230703-en
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\users\public\desktop\info.hta
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Targets
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Target
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634
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Size
1.2MB
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MD5
3f520f0a58e0f6a68affc7a6b31b0bf2
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SHA1
5c020a7f2cb8f3c17d6d7351166fde08e526d401
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SHA256
757d49bcb32274b98a8d473b4a9cff31291760a0209745fe20582a0346c3d634
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SHA512
16e1918b9435c446b9444701600607e1d3c425d55944026411164dd011a3770145457aa90f8e505b9d7f23d9e90f4a59cd97f070a42fd91178b1ad4c13de2026
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SSDEEP
24576:tt/QqsBX5lT1cH2DTCA+mFPTAv28+xEE4HTfcSMEYmVsbFY:ttbyX5uSVRTAv28i1wT9YmVs
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AmmyyAdmin payload
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Detect rhadamanthys stealer shellcode
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FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Modifies boot configuration data using bcdedit
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Renames multiple (312) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Renames multiple (462) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Windows Firewall
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Deletes itself
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Drops startup file
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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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Drops desktop.ini file(s)
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1