Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 09:06

General

  • Target

    27851.png.dll

  • Size

    486KB

  • MD5

    0b26191e482cf7c321efeb8d2569caac

  • SHA1

    0909177f5f88f101146bb4e31202ad92ebd8e223

  • SHA256

    b553c5b6da9f88cfc7d00fba468abef8d2b7889f5f19b70e6c52a091f9854121

  • SHA512

    169256f7cb7bfea1a151ac927b57f77d0b513038cea9232040bdec773faa3b92e4522324ab62ed8ea5a8c54293d0d5e1638ef01a88fbb316cd010f145bb85099

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4460

C2

1.microsoft.com

horulenuke.us

vorulenuke.us

Attributes
  • build

    250190

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    0x4eb7d2ca

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • 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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\27851.png.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\27851.png.dll,#1
      2⤵
        PID:1976

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1976-59-0x0000000000000000-mapping.dmp
    • memory/1976-60-0x00000000757E1000-0x00000000757E3000-memory.dmp
      Filesize

      8KB

    • memory/1976-62-0x0000000074620000-0x00000000746B4000-memory.dmp
      Filesize

      592KB

    • memory/1976-61-0x0000000074620000-0x000000007462F000-memory.dmp
      Filesize

      60KB

    • memory/1976-63-0x00000000000B0000-0x00000000000B1000-memory.dmp
      Filesize

      4KB