Analysis

  • max time kernel
    189s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 18:59

General

  • Target

    807b71dfeff6ca8b0f32042a2acf061f797d42a04db0de077e3f34a5777bdc1e.exe

  • Size

    249KB

  • MD5

    d6242950c693ca64c97699bf448788ce

  • SHA1

    82a91b2df6a4d391e7a66384eff82c7894d670c3

  • SHA256

    807b71dfeff6ca8b0f32042a2acf061f797d42a04db0de077e3f34a5777bdc1e

  • SHA512

    5c70ea18781568c91cfdad32cb83c4802c9f23c1c93944430d1ef4a398e2f4c1be8499796bb3fbc436582a8eb4465e59a51e250b8980d1225b9da96eb3ceb767

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300904

Extracted

Family

gozi_rm3

Botnet

90420251

C2

https://vvietnamnews.xyz

Attributes
  • build

    300904

  • 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 5 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\807b71dfeff6ca8b0f32042a2acf061f797d42a04db0de077e3f34a5777bdc1e.exe
    "C:\Users\Admin\AppData\Local\Temp\807b71dfeff6ca8b0f32042a2acf061f797d42a04db0de077e3f34a5777bdc1e.exe"
    1⤵
      PID:1504
    • 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⤵
        • Suspicious use of SetWindowsHookEx
        PID:1164
    • 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:460
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:460 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1640
    • 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:1000
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1000 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1772
    • 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:1064
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1064 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1644
    • 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:1360
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1360 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1824

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1504-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

      Filesize

      8KB

    • memory/1504-55-0x0000000000220000-0x0000000000248000-memory.dmp

      Filesize

      160KB

    • memory/1504-56-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/1504-57-0x0000000000280000-0x0000000000297000-memory.dmp

      Filesize

      92KB