Analysis

  • max time kernel
    30s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 21:39

General

  • Target

    44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe

  • Size

    619KB

  • MD5

    9f38ac6ff43dd345b6735b6d7358324c

  • SHA1

    8a687c2ea81a2c643565bb1c89c410fca80091f3

  • SHA256

    44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044

  • SHA512

    8d5523d6d03ddaa44342bc80ee32035313f0893a9682cf0eea06c612778edc5cb7ecbab003f88161a7b178a88b76578955a62decf50241d4d74c017adf8cda65

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 12 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\44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe
    "C:\Users\Admin\AppData\Local\Temp\44f9b732cdb180f84874ef471b39df998b2fea4f210be8357fa934cf69eb8044.exe"
    1⤵
      PID:5052
    • 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:2716
      • 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:3856
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3856 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1780
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1280
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1280 CREDAT:17410 /prefetch:2
            2⤵
              PID:3472
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
            1⤵
              PID:2604
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:17410 /prefetch:2
                2⤵
                  PID:4372
              • C:\Program Files\Internet Explorer\iexplore.exe
                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                1⤵
                  PID:3736
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3736 CREDAT:17410 /prefetch:2
                    2⤵
                      PID:1968
                  • C:\Program Files\Internet Explorer\iexplore.exe
                    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                    1⤵
                      PID:2076
                      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2076 CREDAT:17410 /prefetch:2
                        2⤵
                          PID:2844
                      • C:\Program Files\Internet Explorer\iexplore.exe
                        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                        1⤵
                          PID:836
                          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:836 CREDAT:17410 /prefetch:2
                            2⤵
                              PID:1880
                          • C:\Program Files\Internet Explorer\iexplore.exe
                            "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                            1⤵
                              PID:916
                              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:916 CREDAT:17410 /prefetch:2
                                2⤵
                                  PID:4060
                              • C:\Program Files\Internet Explorer\iexplore.exe
                                "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                                1⤵
                                  PID:228
                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:228 CREDAT:17410 /prefetch:2
                                    2⤵
                                      PID:2620

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • memory/5052-130-0x0000000002100000-0x0000000002116000-memory.dmp

                                    Filesize

                                    88KB

                                  • memory/5052-137-0x0000000000400000-0x000000000049B000-memory.dmp

                                    Filesize

                                    620KB

                                  • memory/5052-136-0x0000000000610000-0x0000000000638000-memory.dmp

                                    Filesize

                                    160KB