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Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 01:53

General

  • Target

    a2e441f9cd7982e891e1f980ee6075c5b016975ebd54516a3df8df59887b374b.exe

  • Size

    104KB

  • MD5

    544ad0f4e9b2f14f32f487fa5c207031

  • SHA1

    8ff3ff2157aec551d23aea59f4b465e4493eba8b

  • SHA256

    a2e441f9cd7982e891e1f980ee6075c5b016975ebd54516a3df8df59887b374b

  • SHA512

    ae0adbfd33ea506f0a29d2fc9231197bdb79e30ed1528b30ae39845dce00a6b48cbec634ecaf81580be0acba1af4cbaa254e1d51153ac02fcc00924bda0ed237

  • SSDEEP

    1536:lr4IDFOnpgkiu3u1f66x9uGB+2LG4h5crgqebMdUHhizIgp2zy9qhTLxNIjnZt:iP/u1vO+ICYbzIgp2mqpxCn/

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2e441f9cd7982e891e1f980ee6075c5b016975ebd54516a3df8df59887b374b.exe
    "C:\Users\Admin\AppData\Local\Temp\a2e441f9cd7982e891e1f980ee6075c5b016975ebd54516a3df8df59887b374b.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\nuaew.exe
      "C:\Users\Admin\nuaew.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:980

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\nuaew.exe

    Filesize

    104KB

    MD5

    f73cff00db7d5151fda3c77a7bbcc3dc

    SHA1

    faa341bd826558ed56b535df5355363c2f00be4f

    SHA256

    2bd79b78a48d65ca6cc22000dbf3df2bfef3ebe9d8c87d5755e6eff7dfbe4eb2

    SHA512

    9e07b54ed4b77937b36e5cf1cea03b7ba57c32cdaa5cdd2426c0aac25d89f1830adbe50f9028e6cd01ee7a4b2bcecc16bea57f590ae1789584607d3725e145d5

  • C:\Users\Admin\nuaew.exe

    Filesize

    104KB

    MD5

    f73cff00db7d5151fda3c77a7bbcc3dc

    SHA1

    faa341bd826558ed56b535df5355363c2f00be4f

    SHA256

    2bd79b78a48d65ca6cc22000dbf3df2bfef3ebe9d8c87d5755e6eff7dfbe4eb2

    SHA512

    9e07b54ed4b77937b36e5cf1cea03b7ba57c32cdaa5cdd2426c0aac25d89f1830adbe50f9028e6cd01ee7a4b2bcecc16bea57f590ae1789584607d3725e145d5

  • \Users\Admin\nuaew.exe

    Filesize

    104KB

    MD5

    f73cff00db7d5151fda3c77a7bbcc3dc

    SHA1

    faa341bd826558ed56b535df5355363c2f00be4f

    SHA256

    2bd79b78a48d65ca6cc22000dbf3df2bfef3ebe9d8c87d5755e6eff7dfbe4eb2

    SHA512

    9e07b54ed4b77937b36e5cf1cea03b7ba57c32cdaa5cdd2426c0aac25d89f1830adbe50f9028e6cd01ee7a4b2bcecc16bea57f590ae1789584607d3725e145d5

  • \Users\Admin\nuaew.exe

    Filesize

    104KB

    MD5

    f73cff00db7d5151fda3c77a7bbcc3dc

    SHA1

    faa341bd826558ed56b535df5355363c2f00be4f

    SHA256

    2bd79b78a48d65ca6cc22000dbf3df2bfef3ebe9d8c87d5755e6eff7dfbe4eb2

    SHA512

    9e07b54ed4b77937b36e5cf1cea03b7ba57c32cdaa5cdd2426c0aac25d89f1830adbe50f9028e6cd01ee7a4b2bcecc16bea57f590ae1789584607d3725e145d5

  • memory/1980-56-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB