Analysis

  • max time kernel
    64s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-06-2021 07:05

General

  • Target

    941ccb3a8c0e865c06cc8a6aa29e1bc6.dll

  • Size

    937KB

  • MD5

    941ccb3a8c0e865c06cc8a6aa29e1bc6

  • SHA1

    454885f5d511ecd33f93cb96e3afbc2c01f37f22

  • SHA256

    339f3c74c70ecad94a1ed77ed695e0e184f4547be4d528c80d37ea7573c4bde0

  • SHA512

    ace5f70b832d8cf164eafdbf2193b471345d04b621d23faadb11ca1b0e33648b9df89becfe7c0be54aa3e6f88e6d6e8dd9efc8e44d9c96eee542e33ec493f60c

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\941ccb3a8c0e865c06cc8a6aa29e1bc6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\941ccb3a8c0e865c06cc8a6aa29e1bc6.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:768
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:3864

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/768-115-0x0000000000000000-mapping.dmp
      • memory/848-114-0x0000000000000000-mapping.dmp
      • memory/848-118-0x00000000741E0000-0x00000000742E4000-memory.dmp
        Filesize

        1.0MB

      • memory/848-117-0x00000000741E0000-0x00000000741EE000-memory.dmp
        Filesize

        56KB

      • memory/848-119-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
        Filesize

        4KB

      • memory/3864-116-0x0000000000000000-mapping.dmp