Analysis

  • max time kernel
    51s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 22:04

General

  • Target

    6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe

  • Size

    908KB

  • MD5

    fd6970e93452ec24e74ab230c94ce8a3

  • SHA1

    41b940882348c11e9f2967d7c826c8f10fd180b3

  • SHA256

    6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5

  • SHA512

    3ab9d0651a4d52dea95f79333afab0bb6e0c0d1495bdd889b3acda63297598db95cc5ab607b15c25d5927437d68225766c27cd1c9277e0e5cd7745dedbefa66a

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300854

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\6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe
    "C:\Users\Admin\AppData\Local\Temp\6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe"
    1⤵
      PID:3764
    • 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:4060
      • 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:3132
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3132 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2292
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3132 CREDAT:82950 /prefetch:2
          2⤵
            PID:4224
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:5088
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:2
              2⤵
                PID:3108
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:4340
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4340 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:4260
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:3128
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3128 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:4160
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:2692
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2692 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:1916
                        • C:\Program Files\Internet Explorer\iexplore.exe
                          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                          1⤵
                            PID:112
                            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:112 CREDAT:17410 /prefetch:2
                              2⤵
                                PID:2184

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/3764-131-0x0000000000400000-0x00000000004E5000-memory.dmp

                              Filesize

                              916KB

                            • memory/3764-130-0x0000000000630000-0x000000000063C000-memory.dmp

                              Filesize

                              48KB

                            • memory/3764-132-0x0000000000670000-0x0000000000681000-memory.dmp

                              Filesize

                              68KB