Analysis

  • max time kernel
    4294206s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    19/03/2022, 21:57

General

  • Target

    7e01b1eaa1318961ff0e0c10d45512a8d569948aa174f345f09cd8f3703ff239.dll

  • Size

    148KB

  • MD5

    c29a1f7211c26f5d426f659f6a89aadd

  • SHA1

    dbd953210cdf7fdfb6fab6012a842aeb40f622a5

  • SHA256

    7e01b1eaa1318961ff0e0c10d45512a8d569948aa174f345f09cd8f3703ff239

  • SHA512

    6c3a6180ca9c165c41b7ad76be99cfc05bceda4f49f467c15d8194a37dcb2871394fd2cb108356e23057263557b33a8d45eec1b55fce7c145db664660a9d6e0b

Malware Config

Extracted

Family

gozi_ifsb

Botnet

7244

C2

web.vortex.data.microsoft.com

ocsp.sca1b.amazontrust.com

gstatici.com

Attributes
  • build

    250167

  • dns_servers

    107.174.86.134

    107.175.127.22

  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7e01b1eaa1318961ff0e0c10d45512a8d569948aa174f345f09cd8f3703ff239.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\7e01b1eaa1318961ff0e0c10d45512a8d569948aa174f345f09cd8f3703ff239.dll
      2⤵
        PID:1996
    • 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:544
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:544 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1320
    • 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:908
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:908 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1620
    • 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:2000
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2000 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:968

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/656-54-0x000007FEFB8B1000-0x000007FEFB8B3000-memory.dmp

            Filesize

            8KB

          • memory/1996-55-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

            Filesize

            8KB

          • memory/1996-56-0x00000000009E0000-0x00000000009E2000-memory.dmp

            Filesize

            8KB

          • memory/1996-58-0x0000000000130000-0x000000000019C000-memory.dmp

            Filesize

            432KB

          • memory/1996-59-0x0000000000130000-0x00000000001B0000-memory.dmp

            Filesize

            512KB

          • memory/1996-60-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1996-61-0x0000000000130000-0x00000000001B0000-memory.dmp

            Filesize

            512KB