Analysis

  • max time kernel
    28s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:13

General

  • Target

    dcb47c93b489a0c6ce241cf4c8d95f48df8c84708212939d3548e7a8604f7d7f.exe

  • Size

    908KB

  • MD5

    2c84332c135b757774c6b39de1235d40

  • SHA1

    33df512031c4b22bec6381bd07dcde75d5a2502b

  • SHA256

    dcb47c93b489a0c6ce241cf4c8d95f48df8c84708212939d3548e7a8604f7d7f

  • SHA512

    f62e9bcb8307e32366e89edeb195309f27be51040e3ed60f6f11069f88724b61b7f813cae0e107918bd09cbc60e579c639c4790849d7c363cbc9904ed38a5b56

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 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcb47c93b489a0c6ce241cf4c8d95f48df8c84708212939d3548e7a8604f7d7f.exe
    "C:\Users\Admin\AppData\Local\Temp\dcb47c93b489a0c6ce241cf4c8d95f48df8c84708212939d3548e7a8604f7d7f.exe"
    1⤵
      PID:3484
    • 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:484
      • 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:2960
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2960 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:5084
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2960 CREDAT:82950 /prefetch:2
          2⤵
            PID:4692
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1920
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1920 CREDAT:17410 /prefetch:2
              2⤵
                PID:3972
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:1032
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1032 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:1468
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:1744
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1744 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:3952

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/3484-130-0x00000000007A0000-0x00000000007B1000-memory.dmp

                      Filesize

                      68KB

                    • memory/3484-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                      Filesize

                      916KB

                    • memory/3484-136-0x0000000000670000-0x000000000067C000-memory.dmp

                      Filesize

                      48KB