Analysis

  • max time kernel
    152s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 05:41

General

  • Target

    a93ba778e42c95efaaa57a5a571e151d56118d930d855de588f1961604975f38.exe

  • Size

    585KB

  • MD5

    20431fc7cdc2c3a3861e429c79eeb8fd

  • SHA1

    b524121a14e6b174de3de872d2133fc8997ea437

  • SHA256

    a93ba778e42c95efaaa57a5a571e151d56118d930d855de588f1961604975f38

  • SHA512

    bdf1a9b080309b2255f5d78f26be51c8e6b790980fc5e5193465e13b58545bfe586481a518f83829a5be1e2127b4b3204bb69d70fa6894edad9f9737aa718428

  • SSDEEP

    12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjW:r5sJo6YrFUiyAak11LtjW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a93ba778e42c95efaaa57a5a571e151d56118d930d855de588f1961604975f38.exe
    "C:\Users\Admin\AppData\Local\Temp\a93ba778e42c95efaaa57a5a571e151d56118d930d855de588f1961604975f38.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1308
    • \??\c:\Windows\svchest000.exe
      c:\Windows\svchest000.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\svchest000.exe

    Filesize

    585KB

    MD5

    20431fc7cdc2c3a3861e429c79eeb8fd

    SHA1

    b524121a14e6b174de3de872d2133fc8997ea437

    SHA256

    a93ba778e42c95efaaa57a5a571e151d56118d930d855de588f1961604975f38

    SHA512

    bdf1a9b080309b2255f5d78f26be51c8e6b790980fc5e5193465e13b58545bfe586481a518f83829a5be1e2127b4b3204bb69d70fa6894edad9f9737aa718428

  • memory/112-62-0x0000000000400000-0x0000000000597000-memory.dmp

    Filesize

    1.6MB

  • memory/1308-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB

  • memory/1308-55-0x0000000000400000-0x0000000000597000-memory.dmp

    Filesize

    1.6MB

  • memory/1308-63-0x0000000000400000-0x0000000000597000-memory.dmp

    Filesize

    1.6MB

  • memory/1308-64-0x00000000028D0000-0x0000000002A67000-memory.dmp

    Filesize

    1.6MB

  • memory/1308-65-0x0000000000400000-0x0000000000597000-memory.dmp

    Filesize

    1.6MB