Analysis

  • max time kernel
    4294221s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    20/03/2022, 03:17

General

  • Target

    36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll

  • Size

    308KB

  • MD5

    5b2922162ea8506d525357c3d04bfe20

  • SHA1

    e9209d1fb4331f916feae3f5a64eb6a09ea09e18

  • SHA256

    36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4

  • SHA512

    eae2d1dedc79d31991b46639f737f0e46425fd4c1d8d899b640341d1cae4dac86f8052ff1d578bab76bba8fba5cc3678d58205fd5fa59870a30dc9445aa57d66

Score
10/10

Malware Config

Extracted

Family

gozi_ifsb

Attributes
  • build

    250167

Signatures

  • Gozi, Gozi IFSB

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

  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\36549e3696fab16e1fb88e4f6bb076f8a4d07ace292396d727685b24c90920f4.dll,#1
      2⤵
        PID:1636
    • 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:2028
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2028 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:788

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1636-54-0x00000000750C1000-0x00000000750C3000-memory.dmp

            Filesize

            8KB

          • memory/1636-55-0x00000000000F0000-0x00000000000FC000-memory.dmp

            Filesize

            48KB

          • memory/1636-56-0x0000000010000000-0x000000001004E000-memory.dmp

            Filesize

            312KB

          • memory/1636-57-0x00000000002A0000-0x00000000002A2000-memory.dmp

            Filesize

            8KB