Analysis

  • max time kernel
    133s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    02-06-2022 19:06

General

  • Target

    14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll

  • Size

    208KB

  • MD5

    b6843d8d4e88ed439d5c25658a6261d9

  • SHA1

    cd7fa5e7d6c33cf7ecdf253ee28de668230cd228

  • SHA256

    14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622

  • SHA512

    913676ad69f5bb958700b156e8d24844cf3a8a654497ea54e36cc53e63a58a6f8c8da05e94c47e08cd2655de33127cf34771499b4ab4b0ced44e510065186732

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1111

C2

http://securemrc.ru

http://securecc.ru

http://roiboypo.ru

Attributes
  • build

    217107

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • 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\14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\14a42e5f2dea05a1879fd85db131ce4b3e22f04910f5d07eefe2c704394f9622.dll,#1
      2⤵
        PID:3764
    • 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:4936
      • 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:3984
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3984 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4988
      • 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:3772
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3772 CREDAT:17410 /prefetch:2
          2⤵
          • Suspicious use of SetWindowsHookEx
          PID:1484
      • 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:4604
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4604 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3316
      • 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:384
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:384 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4944
      • 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:1720
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1720 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2096

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

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      Downloads

      • memory/3764-130-0x0000000000000000-mapping.dmp
      • memory/3764-131-0x0000000000C10000-0x0000000000C1C000-memory.dmp
        Filesize

        48KB

      • memory/3764-132-0x0000000000C40000-0x0000000000C4F000-memory.dmp
        Filesize

        60KB

      • memory/3764-133-0x0000000000CE0000-0x0000000000CEF000-memory.dmp
        Filesize

        60KB

      • memory/3764-139-0x0000000000C10000-0x0000000000C1C000-memory.dmp
        Filesize

        48KB

      • memory/3764-140-0x0000000000C40000-0x0000000000C4F000-memory.dmp
        Filesize

        60KB