Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09-05-2021 17:27

General

  • Target

    89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe

  • Size

    28KB

  • MD5

    f8afc0daa4452b0bc542345e8db1e7fb

  • SHA1

    b0f912efbf7c2bd0b57c11c5366e454181a0bcf4

  • SHA256

    89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c

  • SHA512

    0204374267b731b1ed15fcfb947db1813d0798092f5b97775fc0b26e99fbc943aea94b5d5a82fe9def03ab1b965a919f024d919de5f0094cd1b8bfb4308b3750

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe
    "C:\Users\Admin\AppData\Local\Temp\89381ed923ce0bbbfa4319e353c7b0e12e7856d89312a6963917d0545dab031c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    79ce1226dc23d001a0b52c2629403e9c

    SHA1

    df04f6ab658416e3c43816eb75c114dd64925c0d

    SHA256

    898d9423f7ef205f7e96b5fc77cffacba23abfb08eef9cc5657b23f75858175d

    SHA512

    7af49881c97b85fdb4f853fef592ebe8fef040548461bc136bbb7ad760dbec51cca5599f11b7ca38f599de9572e7786a45a4a6ca8f755be633933ebf6d418def

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    79ce1226dc23d001a0b52c2629403e9c

    SHA1

    df04f6ab658416e3c43816eb75c114dd64925c0d

    SHA256

    898d9423f7ef205f7e96b5fc77cffacba23abfb08eef9cc5657b23f75858175d

    SHA512

    7af49881c97b85fdb4f853fef592ebe8fef040548461bc136bbb7ad760dbec51cca5599f11b7ca38f599de9572e7786a45a4a6ca8f755be633933ebf6d418def

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    79ce1226dc23d001a0b52c2629403e9c

    SHA1

    df04f6ab658416e3c43816eb75c114dd64925c0d

    SHA256

    898d9423f7ef205f7e96b5fc77cffacba23abfb08eef9cc5657b23f75858175d

    SHA512

    7af49881c97b85fdb4f853fef592ebe8fef040548461bc136bbb7ad760dbec51cca5599f11b7ca38f599de9572e7786a45a4a6ca8f755be633933ebf6d418def

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    79ce1226dc23d001a0b52c2629403e9c

    SHA1

    df04f6ab658416e3c43816eb75c114dd64925c0d

    SHA256

    898d9423f7ef205f7e96b5fc77cffacba23abfb08eef9cc5657b23f75858175d

    SHA512

    7af49881c97b85fdb4f853fef592ebe8fef040548461bc136bbb7ad760dbec51cca5599f11b7ca38f599de9572e7786a45a4a6ca8f755be633933ebf6d418def

  • memory/1816-63-0x0000000000000000-mapping.dmp

  • memory/2020-60-0x0000000076281000-0x0000000076283000-memory.dmp

    Filesize

    8KB

  • memory/2020-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB