Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:48

General

  • Target

    15d38a78dd74d9fe7c4a2c097323b9d7850a588c3d18a7b43b7f3ca95cc9b5a3.exe

  • Size

    619KB

  • MD5

    34f622d486c6f3a141ee476669872903

  • SHA1

    18cc1dde085f47975fcaa9dee5c9026e022243c9

  • SHA256

    15d38a78dd74d9fe7c4a2c097323b9d7850a588c3d18a7b43b7f3ca95cc9b5a3

  • SHA512

    f08accb9a2517448ec033a8122989bbb20e2d1a4270b37c9d97723ac2a3db93b8d2bd4d7d2b69b5bc0c19c53b4d825b9839af149bcce0297ec2abedf9610ef24

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 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\15d38a78dd74d9fe7c4a2c097323b9d7850a588c3d18a7b43b7f3ca95cc9b5a3.exe
    "C:\Users\Admin\AppData\Local\Temp\15d38a78dd74d9fe7c4a2c097323b9d7850a588c3d18a7b43b7f3ca95cc9b5a3.exe"
    1⤵
      PID:1652
    • 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:620
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:620 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1696
    • 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:1932
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1932 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:284
    • 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:436
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:436 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1784
    • 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:1060
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1060 CREDAT:275457 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1708

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1652-54-0x0000000076461000-0x0000000076463000-memory.dmp

      Filesize

      8KB

    • memory/1652-55-0x0000000000220000-0x0000000000248000-memory.dmp

      Filesize

      160KB

    • memory/1652-56-0x0000000000400000-0x000000000049B000-memory.dmp

      Filesize

      620KB

    • memory/1652-57-0x0000000000280000-0x0000000000296000-memory.dmp

      Filesize

      88KB