Resubmissions

05-02-2021 09:03

210205-vb23bmqh2n 10

05-02-2021 08:52

210205-8n4dfc6e2j 10

05-02-2021 00:36

210205-pj4d5hk8ys 10

Analysis

  • max time kernel
    13s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-02-2021 00:36

General

  • Target

    zrmbk.exe

  • Size

    97KB

  • MD5

    9168378e6849f1547829afc3f0357f6a

  • SHA1

    097d64d174b8243434f026f2fd24e536cc3686bc

  • SHA256

    d333192a262ceaec75b68c0e6082cf868eb77a0e81010f590451814770b6ce31

  • SHA512

    4c69f85af810334506dd1b8d2e409e30ce8c8471073b56bece6312dcda109705720c41255d49e1d7976b847f4ca586113208fdec805aac2398fc890fc230754b

Score
10/10

Malware Config

Extracted

Family

buer

C2

officewestunionbank.com

bankcreditsign.com

Signatures

  • Buer

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

  • Buer Loader 2 IoCs

    Detects Buer loader in memory or disk.

Processes

  • C:\Users\Admin\AppData\Local\Temp\zrmbk.exe
    "C:\Users\Admin\AppData\Local\Temp\zrmbk.exe"
    1⤵
      PID:1052

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1052-2-0x0000000000750000-0x0000000000751000-memory.dmp

      Filesize

      4KB

    • memory/1052-4-0x0000000040000000-0x0000000040009000-memory.dmp

      Filesize

      36KB

    • memory/1052-3-0x0000000000030000-0x0000000000037000-memory.dmp

      Filesize

      28KB