Resubmissions

23/03/2022, 11:41

220323-ntlz3sdbf4 10

23/03/2022, 09:48

220323-lswf1sbhf5 10

Analysis

  • max time kernel
    4294178s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220310-it
  • submitted
    23/03/2022, 11:41

General

  • Target

    readme.dll

  • Size

    471KB

  • MD5

    fbc2f28e187edcc6ddf89989ff8e591f

  • SHA1

    a322761d2f8eb898810454f545e8646495e98fea

  • SHA256

    77457f0b7da19036041ca3a0071e141909d889eb7e2d28d6ad0df73bc3c81636

  • SHA512

    6d04490602f0239dc823a5640793f5415597a70682d64b1620ae5006a351c70e232cb5c024caf2eff2ef2527d22ed321687dcde94b00877f8ecfc9ba788ae0de

Malware Config

Extracted

Family

gozi_ifsb

Botnet

7627

C2

vilogerta.top

linkspremium.ru

premiumlists.ru

Attributes
  • base_path

    /drew/

  • build

    250225

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.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\readme.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
      2⤵
        PID:856

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/856-55-0x00000000765B1000-0x00000000765B3000-memory.dmp

            Filesize

            8KB

          • memory/856-56-0x00000000002A0000-0x000000000031A000-memory.dmp

            Filesize

            488KB

          • memory/856-58-0x0000000000200000-0x000000000020E000-memory.dmp

            Filesize

            56KB

          • memory/856-57-0x0000000000200000-0x000000000020E000-memory.dmp

            Filesize

            56KB

          • memory/856-59-0x0000000000200000-0x000000000020E000-memory.dmp

            Filesize

            56KB

          • memory/856-60-0x0000000000200000-0x000000000020E000-memory.dmp

            Filesize

            56KB

          • memory/856-61-0x0000000000130000-0x000000000013C000-memory.dmp

            Filesize

            48KB