Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    28-05-2021 19:06

General

  • Target

    c887b7b0ad16d35114d83e25f723f3c9.dll

  • Size

    937KB

  • MD5

    c887b7b0ad16d35114d83e25f723f3c9

  • SHA1

    9e9c1836ef0a0a4e089a643123d1ab77624d2e80

  • SHA256

    7d2d2b783767c912afd95995db9c019b2791eed1c812c90c266353ac372e1fa7

  • SHA512

    7456c2c6c9c39c01c56b316af9da8a19a376acac22cab4a10a473407d2681cec424e1d0eee17332aab8e4b73f53d9f5d06c4d198c2b26bb56c0a75927cd3b7c7

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\c887b7b0ad16d35114d83e25f723f3c9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c887b7b0ad16d35114d83e25f723f3c9.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:1728
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:2440

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1728-115-0x0000000000000000-mapping.dmp
      • memory/2440-116-0x0000000000000000-mapping.dmp
      • memory/3024-114-0x0000000000000000-mapping.dmp
      • memory/3024-118-0x00000000735D0000-0x00000000736D4000-memory.dmp
        Filesize

        1.0MB

      • memory/3024-117-0x00000000735D0000-0x00000000735DE000-memory.dmp
        Filesize

        56KB

      • memory/3024-119-0x0000000000D50000-0x0000000000DFE000-memory.dmp
        Filesize

        696KB