Analysis

  • max time kernel
    63s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:53

General

  • Target

    9a2af70fd4fe7a3db607473704bd832702dee6d38c689f501dc7f259cafe9dfe.exe

  • Size

    908KB

  • MD5

    ef36c1995c98698809f5cadce4042973

  • SHA1

    d9dc75172c2f27d32a3b79deed9becc81c640d2a

  • SHA256

    9a2af70fd4fe7a3db607473704bd832702dee6d38c689f501dc7f259cafe9dfe

  • SHA512

    40b98c34a1356d41ab01042a41662f842020913256be5ea65fd165bae954f824322d646a658dd4dba3624230f6ea9fb0f5576fff5d3228eef72463c1a82e3b1e

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 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a2af70fd4fe7a3db607473704bd832702dee6d38c689f501dc7f259cafe9dfe.exe
    "C:\Users\Admin\AppData\Local\Temp\9a2af70fd4fe7a3db607473704bd832702dee6d38c689f501dc7f259cafe9dfe.exe"
    1⤵
      PID:552
    • 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:1688
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1688 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:584
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1688 CREDAT:537616 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1712
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1604
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1604 CREDAT:275457 /prefetch:2
          2⤵
            PID:680

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/552-54-0x0000000075451000-0x0000000075453000-memory.dmp

          Filesize

          8KB

        • memory/552-55-0x00000000001B0000-0x00000000001BC000-memory.dmp

          Filesize

          48KB

        • memory/552-56-0x0000000000400000-0x00000000004E5000-memory.dmp

          Filesize

          916KB

        • memory/552-57-0x00000000001D0000-0x00000000001E1000-memory.dmp

          Filesize

          68KB