Resubmissions

03-08-2023 21:49

230803-1ptkkshe2y 3

03-08-2023 21:43

230803-1ldd7agc28 7

Analysis

  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2023 21:49

General

  • Target

    nerjxb2n6/n81ai.exe

  • Size

    872KB

  • MD5

    c56b5f0201a3b3de53e561fe76912bfd

  • SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

  • SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

  • SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • SSDEEP

    12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nerjxb2n6\n81ai.exe
    "C:\Users\Admin\AppData\Local\Temp\nerjxb2n6\n81ai.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 2088
      2⤵
      • Program crash
      PID:2532
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
    1⤵
      PID:4236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3080 -ip 3080
      1⤵
        PID:2756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/3080-133-0x0000000010000000-0x0000000010022000-memory.dmp

        Filesize

        136KB