Analysis

  • max time kernel
    4294227s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    19/03/2022, 18:08

General

  • Target

    75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll

  • Size

    250KB

  • MD5

    f667c6b27106b3676668c221101aa1d5

  • SHA1

    3147290106ab4619b0b3f5b4a00c21aa82372d85

  • SHA256

    75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963

  • SHA512

    2847eb7807dde31cb63882b7689ae10a25ed22177fd0eaaf46d2939354cdfb0d9e3bb46321773e0dbde007b01085fcf2e6d13ce8e8f58a1f21a57e9c323cdab4

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 22 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\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#1
      2⤵
        PID:1488
    • 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:1132
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1132 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:908

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1488-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

            Filesize

            8KB

          • memory/1488-55-0x00000000000C0000-0x00000000000CC000-memory.dmp

            Filesize

            48KB

          • memory/1488-56-0x0000000010000000-0x000000001003F000-memory.dmp

            Filesize

            252KB

          • memory/1488-57-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB