Analysis

  • max time kernel
    97s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 14:51

General

  • Target

    Prereqs/Visual C++ Redistributable for Visual Studio 2017.exe

  • Size

    14MB

  • MD5

    0af5748a2e790472af28e64105760eb7

  • SHA1

    7ecf5797bc24eded2454aae6f3ca95c4f6eab807

  • SHA256

    b192e143d55257a0a2f76be42e44ff8ee14014f3b1b196c6e59829b6b3ec453c

  • SHA512

    9c3f6195477f836cdc948cfdb52f8e14b9b7ff9b59d036f6fe281d01d1cfcff53a7bed1c861f8e142a0060c5b8ee14d6df647f3de2181ac309da2863a21b92ce

  • SSDEEP

    393216:lLlptVYmfr7yBG/4VgXR7hg7omRRjMW8Y6PJUA+bTqfQ89:lxpttD7yBG/zRKoOjvSUA+vqY89

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe
    "C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:676
    • C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe
      "C:\Users\Admin\AppData\Local\Temp\Prereqs\Visual C++ Redistributable for Visual Studio 2017.exe" -burn.unelevated BurnPipe.{C978C16F-F34B-4E42-98FC-16DEF7AC809F} {AD87F5C9-FC71-4581-8359-47A488221F11} 676
      2⤵
      • Loads dropped DLL
      PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\{fd9b6070-d13e-45dc-819b-41806bf45b6b}\.ba1\wixstdba.dll
    Filesize

    188KB

    MD5

    fb2c3564955853af5d9989ecce96bc26

    SHA1

    b53fce645ed8b7a80babe44c648df6473f3e2212

    SHA256

    6b5283b8bb18bc9349bba37c4d3bfe24fdae073636910bbbeba00e37242df078

    SHA512

    6daa89611880ea646630d104dfaf1454a6f8beefa0eb2259d5b4971a2ca6a3bbdbd0d9b4201d0a28860b1081655e1f867cda79c4285b5c96ea4d1e46e211166a

  • memory/676-54-0x0000000076381000-0x0000000076383000-memory.dmp
    Filesize

    8KB

  • memory/1924-55-0x0000000000000000-mapping.dmp
  • memory/1924-58-0x00000000741E1000-0x00000000741E3000-memory.dmp
    Filesize

    8KB