Analysis

  • max time kernel
    98s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 00:19

General

  • Target

    82ea6abc42ae1a926c13b35cad2f73edb946932b7be029f1d10a411aa2a49693.exe

  • Size

    908KB

  • MD5

    cd501db24d151d03c0445f66887e806c

  • SHA1

    89e65e056462b6bc57157b4bb549a137a1f9da04

  • SHA256

    82ea6abc42ae1a926c13b35cad2f73edb946932b7be029f1d10a411aa2a49693

  • SHA512

    d7542483a9233c15d11a38a917480ba670059668232d30b1fc9488c88c3069ab2d6496a649c368457b899a0a31184fecfca20a49ec4a0e305c161d0757e7eb53

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 54 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\82ea6abc42ae1a926c13b35cad2f73edb946932b7be029f1d10a411aa2a49693.exe
    "C:\Users\Admin\AppData\Local\Temp\82ea6abc42ae1a926c13b35cad2f73edb946932b7be029f1d10a411aa2a49693.exe"
    1⤵
      PID:1968
    • 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:1708
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1708 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1236
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1708 CREDAT:472073 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:536
    • 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:1312
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1312 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1464
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
        PID:1372
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1372 CREDAT:275457 /prefetch:2
          2⤵
            PID:876

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1968-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

          Filesize

          8KB

        • memory/1968-56-0x0000000000400000-0x00000000004E5000-memory.dmp

          Filesize

          916KB

        • memory/1968-55-0x00000000001B0000-0x00000000001BC000-memory.dmp

          Filesize

          48KB

        • memory/1968-57-0x0000000000260000-0x0000000000271000-memory.dmp

          Filesize

          68KB