Analysis

  • max time kernel
    5s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    11-09-2020 09:34

General

  • Target

    b8ca4a1bbc740c39d4b27a3992d7b5554c99af3c6e16f7a91e1a2c9fde6b3b76.exe

  • Size

    152KB

  • MD5

    050f1503b1e20dab8c467e912ca84e46

  • SHA1

    7873bbe8781ef73bbb4b90870031f7ea35b8b9a2

  • SHA256

    b8ca4a1bbc740c39d4b27a3992d7b5554c99af3c6e16f7a91e1a2c9fde6b3b76

  • SHA512

    8435a8036bbf1044a714a04a132843c644c38574c832c029d41cb79bb75757c5331b148bf03889c83724af50a7748198f971f7707487b074a29c6828da71551e

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://servicedesk42.org/

Signatures

  • Buer

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

  • Buer Loader 1 IoCs

    Detects Buer loader in memory or disk.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8ca4a1bbc740c39d4b27a3992d7b5554c99af3c6e16f7a91e1a2c9fde6b3b76.exe
    "C:\Users\Admin\AppData\Local\Temp\b8ca4a1bbc740c39d4b27a3992d7b5554c99af3c6e16f7a91e1a2c9fde6b3b76.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Users\Admin\AppData\Local\Temp\b8ca4a1bbc740c39d4b27a3992d7b5554c99af3c6e16f7a91e1a2c9fde6b3b76.exe"
      2⤵
        PID:368

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/368-1-0x0000000040000000-0x000000004000C000-memory.dmp

      Filesize

      48KB