Analysis

  • max time kernel
    104s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:11

General

  • Target

    7e7f6dcd584900e715876644136425a9b604b851e34763b809c1cfc02c7512fc.exe

  • Size

    618KB

  • MD5

    0619d2d1d582bab0e8153017e8a43144

  • SHA1

    9aa31c2c1982904b5ec804be5a5c05a25a88b470

  • SHA256

    7e7f6dcd584900e715876644136425a9b604b851e34763b809c1cfc02c7512fc

  • SHA512

    2600b2497a21b37e83a39a3ef3abe49440e63ccdd21cb09f1f61f72e158de9b3890581cc53350eae968e0b561e28001a91d2e2574b6994caa19b00df4fee2d76

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 52 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e7f6dcd584900e715876644136425a9b604b851e34763b809c1cfc02c7512fc.exe
    "C:\Users\Admin\AppData\Local\Temp\7e7f6dcd584900e715876644136425a9b604b851e34763b809c1cfc02c7512fc.exe"
    1⤵
      PID:1636
    • 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:1120
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1120 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:800
    • 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:1980
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1980 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1836
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1164
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1164 CREDAT:275457 /prefetch:2
          2⤵
            PID:1668

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1636-54-0x0000000075841000-0x0000000075843000-memory.dmp

          Filesize

          8KB

        • memory/1636-55-0x00000000003D0000-0x00000000003F8000-memory.dmp

          Filesize

          160KB

        • memory/1636-56-0x0000000000400000-0x000000000049B000-memory.dmp

          Filesize

          620KB

        • memory/1636-57-0x00000000003A0000-0x00000000003B6000-memory.dmp

          Filesize

          88KB