Resubmissions

24-03-2022 13:27

220324-qqhvcsecen 10

24-03-2022 13:00

220324-p8slvadhej 10

Analysis

  • max time kernel
    4294176s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    24-03-2022 13:27

General

  • Target

    Win32/Backdoor.Win32.APT34.PoisonFrogC2.7z

  • Size

    8.8MB

  • MD5

    3b6d4a4934ede73be196aa8a9bd83dc7

  • SHA1

    6b91821f2be5586d6e10036d8fb6d52ad710124e

  • SHA256

    00d7aa1301eb8fd81297223562b2bdcaaad25413698295cf189508f7be8e5e25

  • SHA512

    9e0dad6f810b420f3247a631d101359c0e2217a744fad6c1e92967fbdf1a8f4638f8a4818723def3f96a116ae8fd0fcecd8e035b2ddbeeab11e15c793559f069

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Win32\Backdoor.Win32.APT34.PoisonFrogC2.7z
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Win32\Backdoor.Win32.APT34.PoisonFrogC2.7z
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Win32\Backdoor.Win32.APT34.PoisonFrogC2.7z"
        3⤵
          PID:1940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/288-76-0x0000000000000000-mapping.dmp
    • memory/1628-54-0x000007FEFBA61000-0x000007FEFBA63000-memory.dmp
      Filesize

      8KB

    • memory/1940-81-0x0000000000000000-mapping.dmp
    • memory/1940-82-0x0000000075CA1000-0x0000000075CA3000-memory.dmp
      Filesize

      8KB