Analysis

  • max time kernel
    142s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 06:47

General

  • Target

    5a1de277f7adc8cd8d841a7c6e8c889d566d22fe9306a5a81bcbb8cc2cde7119.exe

  • Size

    908KB

  • MD5

    b0df89f2244f787d9fbd983e3a1cea83

  • SHA1

    d85edc4b614fe0007234dcf0dc53ad0f555c7719

  • SHA256

    5a1de277f7adc8cd8d841a7c6e8c889d566d22fe9306a5a81bcbb8cc2cde7119

  • SHA512

    ae9a37a7f9ae6c24c09aa6ff1861b23b138525b78dc0c43746d1019c7bb424f552cf4388f15b0347b494c3ec05cce6cefb5b7e04e45d6cf95410a87f87e59490

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 56 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a1de277f7adc8cd8d841a7c6e8c889d566d22fe9306a5a81bcbb8cc2cde7119.exe
    "C:\Users\Admin\AppData\Local\Temp\5a1de277f7adc8cd8d841a7c6e8c889d566d22fe9306a5a81bcbb8cc2cde7119.exe"
    1⤵
      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:468
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:468 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1900
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:468 CREDAT:537616 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:316
    • 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:2024
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1624

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2040-54-0x0000000075841000-0x0000000075843000-memory.dmp

      Filesize

      8KB

    • memory/2040-55-0x0000000000220000-0x000000000022C000-memory.dmp

      Filesize

      48KB

    • memory/2040-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/2040-57-0x0000000000240000-0x0000000000251000-memory.dmp

      Filesize

      68KB