Analysis

  • max time kernel
    56s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 23:33

General

  • Target

    6ac97698c1207b8312174edd6b321dc3752e91504cedd587d8d2290befe87453.exe

  • Size

    908KB

  • MD5

    86e629811e89fe24f99b0aaab7757a33

  • SHA1

    8f115e8a975b9d854df614d9f9a5a182384d0614

  • SHA256

    6ac97698c1207b8312174edd6b321dc3752e91504cedd587d8d2290befe87453

  • SHA512

    b7049f502c40cef7fee5ca6ebfce9234e971b18eb08d879e2b0719e8a9ca770f83944d2efcbad82fc5ea3b0139271a370a1b5346283a5a2bcdeeaa181a21af17

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 24 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\6ac97698c1207b8312174edd6b321dc3752e91504cedd587d8d2290befe87453.exe
    "C:\Users\Admin\AppData\Local\Temp\6ac97698c1207b8312174edd6b321dc3752e91504cedd587d8d2290befe87453.exe"
    1⤵
      PID:1228
    • 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:1636
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1636 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:456
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1636 CREDAT:275471 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1444
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1612
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1612 CREDAT:275457 /prefetch:2
          2⤵
            PID:964
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
            PID:1036
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1036 CREDAT:275457 /prefetch:2
              2⤵
                PID:1736

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1228-54-0x00000000751C1000-0x00000000751C3000-memory.dmp

              Filesize

              8KB

            • memory/1228-56-0x0000000000400000-0x00000000004E5000-memory.dmp

              Filesize

              916KB

            • memory/1228-55-0x0000000000220000-0x000000000022C000-memory.dmp

              Filesize

              48KB

            • memory/1228-57-0x0000000000240000-0x0000000000251000-memory.dmp

              Filesize

              68KB