Analysis

  • max time kernel
    83s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 13:53

General

  • Target

    ce0ba06a512563856c9bb57634d7926531a4131ab4eaf132467a47a55ae5b089.exe

  • Size

    250KB

  • MD5

    e3501c44d1a4149ac214af3db4883ca5

  • SHA1

    a28c31a01260b5ef2b676bef6b2bdc657c597263

  • SHA256

    ce0ba06a512563856c9bb57634d7926531a4131ab4eaf132467a47a55ae5b089

  • SHA512

    56e3dbcc295d53e16e41502f9ef6949059c87bfbae9b9ff728d622d1b27f8b05e903d797ee8181426941f672930d449aa5c75d7063a416f79c046c870b59355e

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300904

Extracted

Family

gozi_rm3

Botnet

90420251

C2

https://vvietnamnews.xyz

Attributes
  • build

    300904

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • non_target_locale

    RU

  • 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 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce0ba06a512563856c9bb57634d7926531a4131ab4eaf132467a47a55ae5b089.exe
    "C:\Users\Admin\AppData\Local\Temp\ce0ba06a512563856c9bb57634d7926531a4131ab4eaf132467a47a55ae5b089.exe"
    1⤵
      PID:1612
    • 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:1808
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1808 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1540
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:756
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:275457 /prefetch:2
          2⤵
            PID:280
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1428
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1428 CREDAT:275457 /prefetch:2
              2⤵
                PID:1804
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:1980
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1980 CREDAT:275457 /prefetch:2
                  2⤵
                    PID:1680
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
                  1⤵
                    PID:1644
                    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1644 CREDAT:275457 /prefetch:2
                      2⤵
                        PID:560

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Defense Evasion

                    Modify Registry

                    1
                    T1112

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1612-54-0x0000000076531000-0x0000000076533000-memory.dmp
                      Filesize

                      8KB

                    • memory/1612-56-0x0000000000400000-0x000000000043F000-memory.dmp
                      Filesize

                      252KB

                    • memory/1612-55-0x0000000000220000-0x0000000000248000-memory.dmp
                      Filesize

                      160KB

                    • memory/1612-57-0x0000000000280000-0x0000000000297000-memory.dmp
                      Filesize

                      92KB