Analysis

  • max time kernel
    69s
  • max time network
    69s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24-06-2021 09:03

General

  • Target

    25ccb64f72c46f7762a0c2b7b26aac04.dll

  • Size

    937KB

  • MD5

    25ccb64f72c46f7762a0c2b7b26aac04

  • SHA1

    bcc71c44f04bda1bc063c448922faee59ee72663

  • SHA256

    fc9fffd970b6271c16e4717cc257d68d74a73257f59d60f76ddda28d9e729ed3

  • SHA512

    e4a421ae14fb0bab4d6001f191429c99222356f1d5dc3b531b76875a54ac1b3fbebdd905d1c293bbdd22f29cdc28a113ccc6ef09cfc3271c21edf8c2b27f1708

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes
  • build

    250188

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.base64
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\25ccb64f72c46f7762a0c2b7b26aac04.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\25ccb64f72c46f7762a0c2b7b26aac04.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1236
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:3668
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:400

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/400-116-0x0000000000000000-mapping.dmp
      • memory/1236-114-0x0000000000000000-mapping.dmp
      • memory/1236-118-0x00000000743F0000-0x00000000744F4000-memory.dmp
        Filesize

        1.0MB

      • memory/1236-117-0x00000000743F0000-0x00000000743FE000-memory.dmp
        Filesize

        56KB

      • memory/1236-119-0x0000000000910000-0x0000000000911000-memory.dmp
        Filesize

        4KB

      • memory/3668-115-0x0000000000000000-mapping.dmp