Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    24-03-2022 19:22

General

  • Target

    738bf94c6e4e07f3eb40859954b3be1ddcb035b44f28c2225e72d323856d43eb.dll

  • Size

    205KB

  • MD5

    da15c7e12929023bd011008236d018fd

  • SHA1

    fc1764997075e265dd02d7e6beb7f2fcd482d802

  • SHA256

    738bf94c6e4e07f3eb40859954b3be1ddcb035b44f28c2225e72d323856d43eb

  • SHA512

    5c849bab270fe90b51383e071d17595c877a7f895062b3f90e6af41984e11c2edef5a0684d01f33327d6ae9909e6c583f6afd97818de58375525f9c8f586b12b

Malware Config

Extracted

Family

gozi_rm3

Attributes
  • build

    300932

Extracted

Family

gozi_rm3

Botnet

201193206

C2

https://lalstatsnon.website

Attributes
  • build

    300932

  • 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 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\738bf94c6e4e07f3eb40859954b3be1ddcb035b44f28c2225e72d323856d43eb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\738bf94c6e4e07f3eb40859954b3be1ddcb035b44f28c2225e72d323856d43eb.dll,#1
      2⤵
        PID:1252
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
        PID:1568
      • 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:1784
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1784 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:4728
      • 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:3356
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3356 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:3224
      • 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:4120
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4120 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:2232
      • 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:4204
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4204 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2456
      • 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:1076
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4596

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1252-130-0x0000000000000000-mapping.dmp

      • memory/1252-132-0x00000000758A0000-0x00000000758EC000-memory.dmp

        Filesize

        304KB

      • memory/1252-131-0x00000000758A0000-0x00000000758B0000-memory.dmp

        Filesize

        64KB

      • memory/1252-133-0x0000000002EB0000-0x0000000002EC2000-memory.dmp

        Filesize

        72KB

      • memory/1252-139-0x00000000758A0000-0x00000000758EC000-memory.dmp

        Filesize

        304KB