Analysis

  • max time kernel
    40s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:52

General

  • Target

    339d1ee2a0cc5fa4ae29fcf5786c4d39b4566d03107fa70d90ed97d0db634ffc.exe

  • Size

    908KB

  • MD5

    2360d0cb63e652f2859e8e7b2e052fad

  • SHA1

    d350ac06424a7e5cdf9fc1d29474652e2a5c3376

  • SHA256

    339d1ee2a0cc5fa4ae29fcf5786c4d39b4566d03107fa70d90ed97d0db634ffc

  • SHA512

    8bc369c618b688bd1abc063bd5ac8a73bdcb9143e04288b1b151fb909d8066ba8e489ad6c76b290e2f3354023b8f8c1dc48dec58896a3cc4f71f2ad3a848aebe

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\339d1ee2a0cc5fa4ae29fcf5786c4d39b4566d03107fa70d90ed97d0db634ffc.exe
    "C:\Users\Admin\AppData\Local\Temp\339d1ee2a0cc5fa4ae29fcf5786c4d39b4566d03107fa70d90ed97d0db634ffc.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:4892
      • 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:4284
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4284 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4256
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4284 CREDAT:82950 /prefetch:2
          2⤵
            PID:4176
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:2012
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
              2⤵
                PID:1076
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:452
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:452 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:3000
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:5080
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5080 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:4356
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:1640
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:1280

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/3484-130-0x0000000000690000-0x00000000006A1000-memory.dmp

                          Filesize

                          68KB

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

                          Filesize

                          916KB

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

                          Filesize

                          48KB