Analysis

  • max time kernel
    48s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:03

General

  • Target

    61e2059d8837d5fca7e18e5b870cd477c1bda12b2380015dc273bb5b754c8df5.exe

  • Size

    908KB

  • MD5

    e247acdce8316576d70ab72dd2ee5a17

  • SHA1

    d64c60291ae4e31cdf34d0ec7e5c38820175e42c

  • SHA256

    61e2059d8837d5fca7e18e5b870cd477c1bda12b2380015dc273bb5b754c8df5

  • SHA512

    a0e49038fdeb6adb62776829b8c1f54931bc168e5d1090deb90223868db794ee691de0e7bcaa37b4899f45dd43ed408bfd7b83ad5f9264c8b290618c11671238

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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61e2059d8837d5fca7e18e5b870cd477c1bda12b2380015dc273bb5b754c8df5.exe
    "C:\Users\Admin\AppData\Local\Temp\61e2059d8837d5fca7e18e5b870cd477c1bda12b2380015dc273bb5b754c8df5.exe"
    1⤵
      PID:5092
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:4820
      • 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:4612
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4612 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1592
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4612 CREDAT:82950 /prefetch:2
          2⤵
            PID:3528
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:5016
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5016 CREDAT:17410 /prefetch:2
              2⤵
                PID:4344
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:4932
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4932 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:3972
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:3944
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3944 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:3640
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:4500
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4500 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:2728

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/5092-131-0x0000000000400000-0x00000000004E5000-memory.dmp

                          Filesize

                          916KB

                        • memory/5092-130-0x0000000002220000-0x000000000222C000-memory.dmp

                          Filesize

                          48KB

                        • memory/5092-132-0x0000000002240000-0x0000000002251000-memory.dmp

                          Filesize

                          68KB