Analysis

  • max time kernel
    157s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • 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 52 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\75f2edc1a543a9776fca2e761ec841a8f29bb4880bdb057036537d6cb5870963.dll,#1
      2⤵
        PID:3160
    • 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:4072
      • 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:2340
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2340 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4216
      • 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:3000
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3000 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1356
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
        1⤵
        • Modifies data under HKEY_USERS
        PID:2552
      • 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:4348
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4348 CREDAT:17410 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:456

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2552-132-0x0000020849F70000-0x0000020849F80000-memory.dmp

              Filesize

              64KB

            • memory/2552-133-0x000002084A860000-0x000002084A870000-memory.dmp

              Filesize

              64KB

            • memory/2552-134-0x000002084ABF0000-0x000002084ABF4000-memory.dmp

              Filesize

              16KB

            • memory/3160-130-0x0000000002720000-0x000000000272C000-memory.dmp

              Filesize

              48KB

            • memory/3160-131-0x0000000010000000-0x000000001003F000-memory.dmp

              Filesize

              252KB