Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 02:16

General

  • Target

    8a3f9996bcb883152d868487ea2aff3314fe7c3fe6d974ab0fb8c89adbb8453e.exe

  • Size

    908KB

  • MD5

    c25807680f8d11a23e7148d079e27e1a

  • SHA1

    b92937fb14c7228f78ea109d6fcc264565ffb728

  • SHA256

    8a3f9996bcb883152d868487ea2aff3314fe7c3fe6d974ab0fb8c89adbb8453e

  • SHA512

    8c6e17eb27aa94cde05d71bb853be8d778e20b747f939c68f47e933366c81863795a4423ee651dba0b198ed60d203648e445ab120d4daa9d1bcfa96119dd0ca3

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 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a3f9996bcb883152d868487ea2aff3314fe7c3fe6d974ab0fb8c89adbb8453e.exe
    "C:\Users\Admin\AppData\Local\Temp\8a3f9996bcb883152d868487ea2aff3314fe7c3fe6d974ab0fb8c89adbb8453e.exe"
    1⤵
      PID:1596
    • 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:1708
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1708 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1520
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1708 CREDAT:275470 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1252
    • 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:1592
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1592 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2040
    • 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:940
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:940 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:760

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1596-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

      Filesize

      8KB

    • memory/1596-55-0x00000000001B0000-0x00000000001BC000-memory.dmp

      Filesize

      48KB

    • memory/1596-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/1596-57-0x00000000001D0000-0x00000000001E1000-memory.dmp

      Filesize

      68KB