Analysis

  • max time kernel
    42s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 02:14

General

  • Target

    776ec95d65b263a1f5937452c5db664578f93e1ecb91f4d64954d3c069e69e61.exe

  • Size

    107KB

  • MD5

    08ac06804632be95198b125366c3b92b

  • SHA1

    0a60a176075f26992835803880bfc0667a716e5a

  • SHA256

    776ec95d65b263a1f5937452c5db664578f93e1ecb91f4d64954d3c069e69e61

  • SHA512

    779adf4641f520e4853aca4492d51a8879d0953335465cc52ca17ae97af924c2c2753027ec7b0f4f715cf9dc88b8ce8e617790d1cf1bdd12986eeaf30e3dbf57

  • SSDEEP

    3072:6cjasckPndHT3Zg1o+syvaUcWWgH3BGAp:6G1ckPnF+ZfNH3D

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Blocklisted process makes network request 12 IoCs
  • Disables taskbar notifications via registry modification
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 25 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\776ec95d65b263a1f5937452c5db664578f93e1ecb91f4d64954d3c069e69e61.exe
    "C:\Users\Admin\AppData\Local\Temp\776ec95d65b263a1f5937452c5db664578f93e1ecb91f4d64954d3c069e69e61.exe"
    1⤵
    • Identifies Wine through registry keys
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\msiexec.exe
      C:\Windows\system32\msiexec.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Adds policy Run key to start application
      • Blocklisted process makes network request
      • Identifies Wine through registry keys
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:980

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/980-57-0x0000000000000000-mapping.dmp

  • memory/980-60-0x0000000000B30000-0x0000000000B44000-memory.dmp

    Filesize

    80KB

  • memory/980-61-0x0000000000090000-0x0000000000098000-memory.dmp

    Filesize

    32KB

  • memory/980-62-0x000000007EF90000-0x000000007EF99000-memory.dmp

    Filesize

    36KB

  • memory/1940-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

    Filesize

    8KB

  • memory/1940-55-0x00000000021B0000-0x000000000233D000-memory.dmp

    Filesize

    1.6MB

  • memory/1940-56-0x000000007EF90000-0x000000007EF99000-memory.dmp

    Filesize

    36KB

  • memory/1940-59-0x000000007EF90000-0x000000007EF99000-memory.dmp

    Filesize

    36KB