Analysis

  • max time kernel
    16s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:12

General

  • Target

    4bf774e6fa4737e391a8b34a4bd596a4c50681f49582e6532a49d6a902ed833a.exe

  • Size

    908KB

  • MD5

    247b80507ea1815cab4830676e763ddf

  • SHA1

    f7ed280ac3e9cd07b6bdc27202b3252a57f55827

  • SHA256

    4bf774e6fa4737e391a8b34a4bd596a4c50681f49582e6532a49d6a902ed833a

  • SHA512

    0317a78c34c91b3e0e92f6917827d018404f17207cf01214329196c59fd757dc0c7a9439058da87fb99c91be224ad40ed37cabbc9f67fd97dfd318f28eb022e9

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\4bf774e6fa4737e391a8b34a4bd596a4c50681f49582e6532a49d6a902ed833a.exe
    "C:\Users\Admin\AppData\Local\Temp\4bf774e6fa4737e391a8b34a4bd596a4c50681f49582e6532a49d6a902ed833a.exe"
    1⤵
      PID:1492
    • 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:328
      • 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:4292
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4292 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4784
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4292 CREDAT:82950 /prefetch:2
          2⤵
            PID:4392
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:2664
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2664 CREDAT:17410 /prefetch:2
              2⤵
                PID:2220
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:3168
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3168 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:1452
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:4988
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4988 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:3664
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:2100
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2100 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:1864
                        • C:\Program Files\Internet Explorer\iexplore.exe
                          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                          1⤵
                            PID:3784
                            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3784 CREDAT:17410 /prefetch:2
                              2⤵
                                PID:2692

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/1492-130-0x0000000002240000-0x0000000002251000-memory.dmp

                              Filesize

                              68KB

                            • memory/1492-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                              Filesize

                              916KB

                            • memory/1492-136-0x0000000002220000-0x000000000222C000-memory.dmp

                              Filesize

                              48KB