Analysis

  • max time kernel
    53s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 01:09

General

  • Target

    277e3e12b6062bc3acaf14d5a36cd2973bc00168f7686308da7fd2cc53923c74.exe

  • Size

    908KB

  • MD5

    ca0b1f30e41aeb28da3ccfe2c2640b14

  • SHA1

    9ba23c77248ebb89d5baa9cff7dee77c27309dfd

  • SHA256

    277e3e12b6062bc3acaf14d5a36cd2973bc00168f7686308da7fd2cc53923c74

  • SHA512

    592fcbf98d418168a6d35749cb3dda20c9ce19dc8ee0d8c35e91b86a1d04a42a732defee3b26fe8333ab85c1be44c609dce1a9e7c59d360c77e8bd861bb3b3cd

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 26 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\277e3e12b6062bc3acaf14d5a36cd2973bc00168f7686308da7fd2cc53923c74.exe
    "C:\Users\Admin\AppData\Local\Temp\277e3e12b6062bc3acaf14d5a36cd2973bc00168f7686308da7fd2cc53923c74.exe"
    1⤵
      PID:1652
    • 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:904
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:904 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1608
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:904 CREDAT:1717252 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1052
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:932
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:932 CREDAT:275457 /prefetch:2
          2⤵
            PID:1324
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:628
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:628 CREDAT:275457 /prefetch:2
              2⤵
                PID:1996

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1652-54-0x0000000076461000-0x0000000076463000-memory.dmp

              Filesize

              8KB

            • memory/1652-56-0x0000000000400000-0x00000000004E5000-memory.dmp

              Filesize

              916KB

            • memory/1652-55-0x0000000000220000-0x000000000022C000-memory.dmp

              Filesize

              48KB

            • memory/1652-57-0x0000000000240000-0x0000000000251000-memory.dmp

              Filesize

              68KB