Analysis

  • max time kernel
    44s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:33

General

  • Target

    1d900430c8909fdc991317ebcf64875c0f79c98979dc70eff48f420b1fa5d60f.exe

  • Size

    908KB

  • MD5

    decde0f4d893aa66e9deb52a18fd4434

  • SHA1

    f73245514c4c211367264ecdce02e9cbd6c34f44

  • SHA256

    1d900430c8909fdc991317ebcf64875c0f79c98979dc70eff48f420b1fa5d60f

  • SHA512

    027d40cc03472840c55fc1b517d495e4d0002e2bad6d5f2e23f908f35e335d0f7f349422ed2ff5a478c4c78ac644f8ee76ce9b3a1c6ebdc5ace2953953276b39

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\1d900430c8909fdc991317ebcf64875c0f79c98979dc70eff48f420b1fa5d60f.exe
    "C:\Users\Admin\AppData\Local\Temp\1d900430c8909fdc991317ebcf64875c0f79c98979dc70eff48f420b1fa5d60f.exe"
    1⤵
      PID:1180
    • 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:3576
      • 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:2324
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4536
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:82950 /prefetch:2
          2⤵
            PID:3548
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:232
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:232 CREDAT:17410 /prefetch:2
              2⤵
                PID:3320
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:2064
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17410 /prefetch:2
                  2⤵
                    PID:1604
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:1596
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1596 CREDAT:17410 /prefetch:2
                      2⤵
                        PID:1464
                    • C:\Program Files\Internet Explorer\iexplore.exe
                      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                      1⤵
                        PID:1912
                        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1912 CREDAT:17410 /prefetch:2
                          2⤵
                            PID:3160

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/1180-130-0x00000000006A0000-0x00000000006B1000-memory.dmp

                          Filesize

                          68KB

                        • memory/1180-137-0x0000000000400000-0x00000000004E5000-memory.dmp

                          Filesize

                          916KB

                        • memory/1180-136-0x0000000000670000-0x000000000067C000-memory.dmp

                          Filesize

                          48KB