Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 10:57

General

  • Target

    1752fe2b8419be8241ecd08859a5800f.dll

  • Size

    821KB

  • MD5

    1752fe2b8419be8241ecd08859a5800f

  • SHA1

    eb7346a6d5a53ddaf8fd073f266c64d642b40a7d

  • SHA256

    e81869620b9a18c3702c7be2fcf2e170cbc5c3de1ddbc84ae1fe190b57e917a0

  • SHA512

    0718e566bdec828d59890818a65af53f467d1bab92abbdd2ecfe3eca55be7ad3692793e4310ea41f2ab2a9f5e9fe6d29e1873cacc1614c6f2cceaf6b320c8f15

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8877

C2

outlook.com/login

gmail.com

worunekulo.club

horunekulo.website

Attributes
  • build

    250196

  • 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\1752fe2b8419be8241ecd08859a5800f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1752fe2b8419be8241ecd08859a5800f.dll,#1
      2⤵
        PID:4068

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4068-114-0x0000000000000000-mapping.dmp

    • memory/4068-116-0x00000000735F0000-0x00000000736DF000-memory.dmp

      Filesize

      956KB

    • memory/4068-115-0x00000000735F0000-0x00000000735FF000-memory.dmp

      Filesize

      60KB

    • memory/4068-117-0x0000000004040000-0x0000000004041000-memory.dmp

      Filesize

      4KB