Analysis

  • max time kernel
    67s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 22:04

General

  • Target

    6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe

  • Size

    908KB

  • MD5

    fd6970e93452ec24e74ab230c94ce8a3

  • SHA1

    41b940882348c11e9f2967d7c826c8f10fd180b3

  • SHA256

    6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5

  • SHA512

    3ab9d0651a4d52dea95f79333afab0bb6e0c0d1495bdd889b3acda63297598db95cc5ab607b15c25d5927437d68225766c27cd1c9277e0e5cd7745dedbefa66a

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 22 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\6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe
    "C:\Users\Admin\AppData\Local\Temp\6d04940340b55566c19c90c3474a91c14be016e4e0e1e74d93df9f6afda377b5.exe"
    1⤵
      PID:1708
    • 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:688
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:688 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1572
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:688 CREDAT:537616 /prefetch:2
        2⤵
          PID:844
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
        1⤵
          PID:1044
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1044 CREDAT:275457 /prefetch:2
            2⤵
              PID:1780

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1708-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

            Filesize

            8KB

          • memory/1708-56-0x0000000000400000-0x00000000004E5000-memory.dmp

            Filesize

            916KB

          • memory/1708-55-0x0000000000220000-0x000000000022C000-memory.dmp

            Filesize

            48KB

          • memory/1708-57-0x0000000000240000-0x0000000000251000-memory.dmp

            Filesize

            68KB