Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 18:12

General

  • Target

    dfbccb77ffe37860651117736e801eba0b4f3b52aacca41d1210cc3b4c63a03c.exe

  • Size

    908KB

  • MD5

    17c884eded6b213fe9517885d8afe1d2

  • SHA1

    9bd81e86978ca43688d7f666eec83ecaa5ab3bfd

  • SHA256

    dfbccb77ffe37860651117736e801eba0b4f3b52aacca41d1210cc3b4c63a03c

  • SHA512

    42e81ab10eda0d9da4e5ffd4e4b622a85836a53562d52e50ea2f92a297a8088ce95f73973bbff952266c4177bd433193c55d152085ab77d4a97e7f795a5cb4d1

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\dfbccb77ffe37860651117736e801eba0b4f3b52aacca41d1210cc3b4c63a03c.exe
    "C:\Users\Admin\AppData\Local\Temp\dfbccb77ffe37860651117736e801eba0b4f3b52aacca41d1210cc3b4c63a03c.exe"
    1⤵
      PID:632
    • 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:1668
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:584
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:275470 /prefetch:2
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:1260
    • 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:1436
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1436 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:884
    • 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:1864
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1864 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/632-54-0x0000000075391000-0x0000000075393000-memory.dmp

      Filesize

      8KB

    • memory/632-55-0x0000000000230000-0x000000000023C000-memory.dmp

      Filesize

      48KB

    • memory/632-56-0x0000000000400000-0x00000000004E5000-memory.dmp

      Filesize

      916KB

    • memory/632-57-0x00000000002D0000-0x00000000002E1000-memory.dmp

      Filesize

      68KB