Analysis

  • max time kernel
    27s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 15:31

General

  • Target

    18d613d02eaf8d339feebb21f578f329.dll

  • Size

    511KB

  • MD5

    18d613d02eaf8d339feebb21f578f329

  • SHA1

    01ea39853139ccfe82f0bd19f8963d3ccebf8e8a

  • SHA256

    bd43f7bc23a76b086a81b8e6fcd4355cac648d3f7d9a941d9aa259def534d5b1

  • SHA512

    a432ca4267f56530945e2dd352e658d72b3fc84101b84dcd86bc0adcf42e218e394556d6b69cec92cb30a960ce83586e8c026e971f02fa5154d100a198f1e4ce

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8877

C2

outlook.com/login

gmail.com

dorelunonu.us

morelunonu.us

Attributes
  • build

    250195

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.base64
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\18d613d02eaf8d339feebb21f578f329.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\18d613d02eaf8d339feebb21f578f329.dll,#1
      2⤵
        PID:3700

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3700-114-0x0000000000000000-mapping.dmp
    • memory/3700-115-0x0000000073D70000-0x0000000073D7F000-memory.dmp
      Filesize

      60KB

    • memory/3700-116-0x0000000073D70000-0x0000000073F05000-memory.dmp
      Filesize

      1.6MB

    • memory/3700-117-0x0000000004D20000-0x0000000004D21000-memory.dmp
      Filesize

      4KB