Analysis

  • max time kernel
    92s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:53

General

  • Target

    c9730e5259689619b6cfc3cf98b336a8c7c494c302e4a81d6e9029c084aae123.exe

  • Size

    618KB

  • MD5

    0caec1155955e0d8cd66de242e9d27a5

  • SHA1

    077c99f98a6469adfaf2c47a7e4828dcbc6bb1b4

  • SHA256

    c9730e5259689619b6cfc3cf98b336a8c7c494c302e4a81d6e9029c084aae123

  • SHA512

    9ab72e0d817a32e941f66b27c6ff3c4d2ebba6c02fc09e36f47a14a69638c7e74564b0b56b18d7a57eabcabe7699be8c0f9af8444d1315dbcfdc9865625cdcf2

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300900

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 24 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\c9730e5259689619b6cfc3cf98b336a8c7c494c302e4a81d6e9029c084aae123.exe
    "C:\Users\Admin\AppData\Local\Temp\c9730e5259689619b6cfc3cf98b336a8c7c494c302e4a81d6e9029c084aae123.exe"
    1⤵
      PID:1972
    • 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:1100
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1076
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1836
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1836 CREDAT:275457 /prefetch:2
          2⤵
            PID:1596
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1448
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1448 CREDAT:275457 /prefetch:2
              2⤵
                PID:1584
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
              1⤵
                PID:1312
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1312 CREDAT:275457 /prefetch:2
                  2⤵
                    PID:1936

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1972-54-0x0000000075501000-0x0000000075503000-memory.dmp

                  Filesize

                  8KB

                • memory/1972-55-0x0000000000220000-0x0000000000248000-memory.dmp

                  Filesize

                  160KB

                • memory/1972-56-0x0000000000400000-0x000000000049B000-memory.dmp

                  Filesize

                  620KB

                • memory/1972-57-0x0000000000280000-0x0000000000296000-memory.dmp

                  Filesize

                  88KB