Analysis

  • max time kernel
    152s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    15-02-2022 11:05

General

  • Target

    5a06437829417f3cafac0bdbb335300b187d670e66bcf2993ad662d2c672d4d2.exe

  • Size

    908KB

  • MD5

    452d7b7ded1a8b82959dc61c6d64652b

  • SHA1

    48cbb6c1f87741f3f77f52495bbef7ac296bbc56

  • SHA256

    5a06437829417f3cafac0bdbb335300b187d670e66bcf2993ad662d2c672d4d2

  • SHA512

    86162626ddcae09ae8a37a620a5658fb484a55024b448757b7495341f0017e49515aee0ad1155c9248ff542a3b24260929504a855ab9e638bf1cec6bc0c86ab8

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes
  • build

    300854

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    12

  • url_path

    index.htm

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi RM3

    A heavily modified version of Gozi using RM3 loader.

  • Modifies Internet Explorer settings 1 TTPs 22 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a06437829417f3cafac0bdbb335300b187d670e66bcf2993ad662d2c672d4d2.exe
    "C:\Users\Admin\AppData\Local\Temp\5a06437829417f3cafac0bdbb335300b187d670e66bcf2993ad662d2c672d4d2.exe"
    1⤵
      PID:1564
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:616 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1564-55-0x00000000756C1000-0x00000000756C3000-memory.dmp
      Filesize

      8KB

    • memory/1564-56-0x0000000000220000-0x000000000022C000-memory.dmp
      Filesize

      48KB

    • memory/1564-57-0x0000000000400000-0x000000000040F000-memory.dmp
      Filesize

      60KB

    • memory/1564-58-0x0000000000240000-0x0000000000251000-memory.dmp
      Filesize

      68KB

    • memory/1564-61-0x0000000000360000-0x0000000000362000-memory.dmp
      Filesize

      8KB