Analysis

  • max time kernel
    24s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:54

General

  • Target

    1ae1e7c66ff989ee2351dfcf2d803f8c22b61fed4b10787e922187b260b95bf1.exe

  • Size

    908KB

  • MD5

    aaf35e23b547415762fa5e88931f78a0

  • SHA1

    b848e4066a700874842b209ec4a0fc68e77dc3d9

  • SHA256

    1ae1e7c66ff989ee2351dfcf2d803f8c22b61fed4b10787e922187b260b95bf1

  • SHA512

    ff09a5d8b6ccf191718ee73fcf964f4f82079e50a9bce18533b583b554693a58dac76e7cd9ea48aede92f9033880dde72abb21abfdb7864a9f32b6585263a6d4

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

  • exe_type

    loader

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 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ae1e7c66ff989ee2351dfcf2d803f8c22b61fed4b10787e922187b260b95bf1.exe
    "C:\Users\Admin\AppData\Local\Temp\1ae1e7c66ff989ee2351dfcf2d803f8c22b61fed4b10787e922187b260b95bf1.exe"
    1⤵
      PID:2736
    • 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:3404
      • 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:4320
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4320 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2224
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4320 CREDAT:82950 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4828
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:4616
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4616 CREDAT:17410 /prefetch:2
            2⤵
              PID:1828
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:3316
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3316 CREDAT:17410 /prefetch:2
                2⤵
                  PID:4592
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:4220
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4220 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:4612
                  • C:\Program Files\Internet Explorer\iexplore.exe
                    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                    1⤵
                      PID:4684
                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4684 CREDAT:17410 /prefetch:2
                        2⤵
                          PID:4916

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/2736-130-0x0000000002240000-0x0000000002251000-memory.dmp

                        Filesize

                        68KB

                      • memory/2736-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                        Filesize

                        916KB

                      • memory/2736-136-0x0000000002220000-0x000000000222C000-memory.dmp

                        Filesize

                        48KB