Analysis

  • max time kernel
    152s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 18:32

General

  • Target

    3d9194f42ff0ae3ac82d83a999543ad0.exe

  • Size

    84KB

  • MD5

    3d9194f42ff0ae3ac82d83a999543ad0

  • SHA1

    e7ef6189bcfc6c7c3d915670512e923e192c3681

  • SHA256

    3a3bd3bdc2032ebca45c3d98d5dbb3519fbc9f5e23ef5e562c2b236ff0e25c96

  • SHA512

    71c2c5c483f58b4accccb0b93823604849f3b2c8fa57a22dbe784028305b69a38e41d9a2b056b35cc266aec0a2e0b8f866c23c1c452f758614c6c5a350daf1f2

  • SSDEEP

    1536:EU6liacYNCQ80sCzKnf5Z4wBQEfY3361ti7+mEDBYQynqnouy8608:r6lia2Q80hef5Z4wBQEfGKOy3myoutI

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d9194f42ff0ae3ac82d83a999543ad0.exe
    "C:\Users\Admin\AppData\Local\Temp\3d9194f42ff0ae3ac82d83a999543ad0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 -s C:\Windows\system32\VolumeControl.ocx
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\VolumeControl.ocx

    Filesize

    36KB

    MD5

    1bfd55b086a9d9552cd35a080223f659

    SHA1

    91b6838701cd8d816619ebb588eae7574287f7f0

    SHA256

    18bb788d1435735eebf2f5e5bccd07dff49639d60836c0f033c75c1649179bec

    SHA512

    c2ecbf85bf5744ba77ed310ec45b41071b217e96061a4e65e23b8d44af332722653dc31358eb267f80a19072c0a6cd1e9ef312627e8bd8766912832567b18ed9

  • memory/2656-0-0x0000000000400000-0x00000000005A3000-memory.dmp

    Filesize

    1.6MB

  • memory/2656-8-0x0000000000400000-0x00000000005A3000-memory.dmp

    Filesize

    1.6MB