Analysis

  • max time kernel
    15s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:13

General

  • Target

    45219af486490d99330d54bad44ffbe3265c6197924aefd48e38c825d7977ae1.exe

  • Size

    618KB

  • MD5

    3880facd51981cb35eb289559dcf16a4

  • SHA1

    cc5f37051eebcb3748853af5c1910df488d3f3ce

  • SHA256

    45219af486490d99330d54bad44ffbe3265c6197924aefd48e38c825d7977ae1

  • SHA512

    725acc3500c80858b05a58d4657385e662166a03172ca97f8ee62f0f53cff0f29f5c048501bc9b721b5d079c606f1c128d9d032c33c5eb187109b1dff796367a

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300900

  • exe_type

    loader

Extracted

Family

gozi_rm3

Botnet

90020242

C2

https://vrhgroups.xyz

Attributes
  • build

    300900

  • 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\45219af486490d99330d54bad44ffbe3265c6197924aefd48e38c825d7977ae1.exe
    "C:\Users\Admin\AppData\Local\Temp\45219af486490d99330d54bad44ffbe3265c6197924aefd48e38c825d7977ae1.exe"
    1⤵
      PID:4348
    • 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:4888
      • 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:732
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:732 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4268
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1164
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:17410 /prefetch:2
            2⤵
              PID:2996
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:1720
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1720 CREDAT:17410 /prefetch:2
                2⤵
                  PID:4408
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:2844
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2844 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:1112
                  • C:\Program Files\Internet Explorer\iexplore.exe
                    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                    1⤵
                      PID:4608
                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4608 CREDAT:17410 /prefetch:2
                        2⤵
                          PID:4572
                      • C:\Program Files\Internet Explorer\iexplore.exe
                        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                        1⤵
                          PID:1156
                          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1156 CREDAT:17410 /prefetch:2
                            2⤵
                              PID:4828
                          • C:\Program Files\Internet Explorer\iexplore.exe
                            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                            1⤵
                              PID:4896
                              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4896 CREDAT:17410 /prefetch:2
                                2⤵
                                  PID:4316
                              • C:\Program Files\Internet Explorer\iexplore.exe
                                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                                1⤵
                                  PID:4812
                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4812 CREDAT:17410 /prefetch:2
                                    2⤵
                                      PID:1324

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/4348-130-0x0000000002230000-0x0000000002246000-memory.dmp

                                    Filesize

                                    88KB

                                  • memory/4348-137-0x0000000000400000-0x000000000049B000-memory.dmp

                                    Filesize

                                    620KB

                                  • memory/4348-136-0x00000000021D0000-0x00000000021F8000-memory.dmp

                                    Filesize

                                    160KB