Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 00:51

General

  • Target

    b35df2b5bfd716d04d9e73f29d33cfb4.exe

  • Size

    2.9MB

  • MD5

    b35df2b5bfd716d04d9e73f29d33cfb4

  • SHA1

    abe74a1da3f90da74bed2e3648668308b6f06bd7

  • SHA256

    17e75d26155509f37f0309982ad4ed831df19bb3b61b4b10851ce520487619e6

  • SHA512

    19addc0b6b912d8c90901d1f4811a2b5c7e2426b0d5435f84a067a2cca527c4d173d8968f9eee18aca49e855b707c5fa743e27c94694bb16a226095582f1925d

  • SSDEEP

    49152:UtgQNNmhRX61578r06UQBfvggdae+NNpjk7MMHfBhm2xjCtub03xZiqGQ:UORXW57zLQ5IgwNNpjUnHfBJvw3xQq

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b35df2b5bfd716d04d9e73f29d33cfb4.exe
    "C:\Users\Admin\AppData\Local\Temp\b35df2b5bfd716d04d9e73f29d33cfb4.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn startt /tr c:\start.bat /sc onstart /ru system
      2⤵
      • Creates scheduled task(s)
      PID:1856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1640-0-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/1640-3-0x0000000000400000-0x000000000231A000-memory.dmp

          Filesize

          31.1MB

        • memory/1640-4-0x0000000000400000-0x000000000231A000-memory.dmp

          Filesize

          31.1MB

        • memory/1640-5-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB