Analysis

  • max time kernel
    4s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-09-2020 16:43

General

  • Target

    dee6a220c1a2a3a53361c929e903744b78a751b93c38405e629aae4c16d1e597.exe

  • Size

    356KB

  • MD5

    0ada5f2eec1893ee695758b75ebe351b

  • SHA1

    554bc863b128b83ca14f20e6b08028d8a12795a0

  • SHA256

    dee6a220c1a2a3a53361c929e903744b78a751b93c38405e629aae4c16d1e597

  • SHA512

    0aed5d83d07d651f62527aff20438090f143f86b98d053ad2af7a14b7166980078e8383910a4e38fabb8fa0bb60fcc23e56dbc7a5750be0b5827c1fa2bed780b

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://kackdelar.top/

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • Buer Loader 3 IoCs

    Detects Buer loader in memory or disk.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dee6a220c1a2a3a53361c929e903744b78a751b93c38405e629aae4c16d1e597.exe
    "C:\Users\Admin\AppData\Local\Temp\dee6a220c1a2a3a53361c929e903744b78a751b93c38405e629aae4c16d1e597.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1640

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1588-0-0x0000000073AF0000-0x00000000741DE000-memory.dmp

      Filesize

      6.9MB

    • memory/1588-1-0x0000000000370000-0x0000000000371000-memory.dmp

      Filesize

      4KB

    • memory/1588-3-0x0000000000960000-0x0000000000971000-memory.dmp

      Filesize

      68KB

    • memory/1640-5-0x0000000040000000-0x000000004000C000-memory.dmp

      Filesize

      48KB

    • memory/1640-7-0x0000000040000000-0x000000004000C000-memory.dmp

      Filesize

      48KB