Analysis

  • max time kernel
    4294202s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    28-03-2022 18:33

General

  • Target

    3cee9438cf696848535ed591297835d289f45b043fae3c303c8f807ced2c0baf.exe

  • Size

    316KB

  • MD5

    b14dc264bc83bb3e7ff3e495ea1ddad5

  • SHA1

    225fe42c2340ab348771300b3e3e101e426e7150

  • SHA256

    3cee9438cf696848535ed591297835d289f45b043fae3c303c8f807ced2c0baf

  • SHA512

    2ef247caf0d79e16b95bc51d800169fa1c733c6c6a4b5ce08512654883655af3fb83e50127adc2f616824901da7b92aec2c4c4b3e308cdebd0ff5bd6a419f829

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300930

  • exe_type

    loader

Extracted

Family

gozi_rm3

Botnet

93020431

C2

https://onsitenancy.xyz

Attributes
  • build

    300930

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • non_target_locale

    RU

  • 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\3cee9438cf696848535ed591297835d289f45b043fae3c303c8f807ced2c0baf.exe
    "C:\Users\Admin\AppData\Local\Temp\3cee9438cf696848535ed591297835d289f45b043fae3c303c8f807ced2c0baf.exe"
    1⤵
      PID:1892
    • 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:920
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:920 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1092
    • 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:1664
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1664 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1556
    • 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:532
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:532 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2028
    • 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:1880
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1880 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1580

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1892-54-0x0000000074FF1000-0x0000000074FF3000-memory.dmp

      Filesize

      8KB

    • memory/1892-55-0x0000000000250000-0x0000000000262000-memory.dmp

      Filesize

      72KB

    • memory/1892-61-0x0000000000230000-0x000000000023C000-memory.dmp

      Filesize

      48KB

    • memory/1892-62-0x0000000000240000-0x000000000024D000-memory.dmp

      Filesize

      52KB

    • memory/1892-63-0x0000000001000000-0x00000000010DF000-memory.dmp

      Filesize

      892KB

    • memory/1892-64-0x0000000000430000-0x0000000000432000-memory.dmp

      Filesize

      8KB