Analysis

  • max time kernel
    33s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:06

General

  • Target

    cd395489a6a7908d910fde8b4b214a19d0d153ba3917ca8a739678a25bb287be.exe

  • Size

    908KB

  • MD5

    f19473ae02b129bef80184c3d0ee7ae1

  • SHA1

    e92d50f7f36a8c60917943935b7399b4acd00d66

  • SHA256

    cd395489a6a7908d910fde8b4b214a19d0d153ba3917ca8a739678a25bb287be

  • SHA512

    517c3cd9a621fb589a8610943302170058ddea01896a54451e16aae95fe6cafbd3304732279f993a22a98b98662e9463ba9d9b129a0d719dc189e0edac8e5ca8

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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd395489a6a7908d910fde8b4b214a19d0d153ba3917ca8a739678a25bb287be.exe
    "C:\Users\Admin\AppData\Local\Temp\cd395489a6a7908d910fde8b4b214a19d0d153ba3917ca8a739678a25bb287be.exe"
    1⤵
      PID:888
    • 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:1656
      • 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:2200
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2200 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4020
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2200 CREDAT:82950 /prefetch:2
          2⤵
            PID:2384
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:4132
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4132 CREDAT:17410 /prefetch:2
              2⤵
                PID:3664
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:3696
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3696 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:4964
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:4824
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4824 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:872
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:540
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:540 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:5032

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/888-130-0x0000000002250000-0x0000000002261000-memory.dmp

                          Filesize

                          68KB

                        • memory/888-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                          Filesize

                          916KB

                        • memory/888-136-0x0000000000680000-0x000000000068C000-memory.dmp

                          Filesize

                          48KB