Analysis

  • max time kernel
    26s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06-07-2021 16:21

General

  • Target

    a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c.dll

  • Size

    306KB

  • MD5

    98d030eeefc3536d68ccb9ae3a2d1502

  • SHA1

    9f7d95691e0116f7c0d0f222de2149b073ef6cb6

  • SHA256

    a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c

  • SHA512

    bbfbd2525c24a5c0474d001f61edabed1ff05f83fb574eb16790e36298da80d8a56d10f28582340f438a3483d232a4efd19055b687fc773aef25856148c2ba52

Malware Config

Extracted

Family

gozi_ifsb

Botnet

6000

C2

authd.feronok.com

app.bighomegl.at

Attributes
  • build

    250204

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a58f423a00ca933ae2898803bd1b3a07a2cd76ef1aa0d5de69905d80a096874c.dll,#1
      2⤵
        PID:1792

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1792-59-0x0000000000000000-mapping.dmp
    • memory/1792-60-0x0000000075411000-0x0000000075413000-memory.dmp
      Filesize

      8KB

    • memory/1792-61-0x00000000748E0000-0x00000000748ED000-memory.dmp
      Filesize

      52KB

    • memory/1792-62-0x00000000748E0000-0x00000000749CA000-memory.dmp
      Filesize

      936KB

    • memory/1792-63-0x00000000000F0000-0x00000000000F1000-memory.dmp
      Filesize

      4KB