Analysis

  • max time kernel
    66s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:03

General

  • Target

    c88d96f3dcba73032cd0b778cd837d56fec7676d4c9a635a23a16f1d05d56faa.exe

  • Size

    908KB

  • MD5

    39d64b96562190684066da70abb6867a

  • SHA1

    f39e242d07dfeb6e548bfd27d88e729751fc4f48

  • SHA256

    c88d96f3dcba73032cd0b778cd837d56fec7676d4c9a635a23a16f1d05d56faa

  • SHA512

    3d92e3ba8c762997dee69a7879e064604e5ffcc92adfe69a32549d57f4f34f864b4fa49d70ecb4414c8c73a248407b8975ac10d6fd71d70a1453c93740f636a6

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 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c88d96f3dcba73032cd0b778cd837d56fec7676d4c9a635a23a16f1d05d56faa.exe
    "C:\Users\Admin\AppData\Local\Temp\c88d96f3dcba73032cd0b778cd837d56fec7676d4c9a635a23a16f1d05d56faa.exe"
    1⤵
      PID:3308
    • 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:4132
      • 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:3948
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3948 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4616
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3948 CREDAT:82950 /prefetch:2
          2⤵
            PID:5092
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:2736
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2736 CREDAT:17410 /prefetch:2
              2⤵
                PID:1940
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:4484
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4484 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:540
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:2124
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2124 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:1812

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/3308-131-0x0000000000400000-0x00000000004E5000-memory.dmp

                      Filesize

                      916KB

                    • memory/3308-130-0x0000000000600000-0x000000000060C000-memory.dmp

                      Filesize

                      48KB

                    • memory/3308-132-0x0000000002240000-0x0000000002251000-memory.dmp

                      Filesize

                      68KB