Analysis

  • max time kernel
    48s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-06-2021 15:31

General

  • Target

    shook.vob.dll

  • Size

    626KB

  • MD5

    11dbf3457def6dece6fcb7564d957951

  • SHA1

    d3f497dae6407e80f23340b990416abb5e15b748

  • SHA256

    d4d0bb44895c035a39afd7fab48f879e058f1cdc00db0666ebb08463cece2e51

  • SHA512

    2064b17bc479f91c26066edcd1f72f5911aded166d22e757df758c0937522baf2ab058d3e08598003c429ca6b5885f94c1bcb249c15bb9b58b8ad8ec30c8660f

Malware Config

Extracted

Family

gozi_ifsb

Botnet

5500

C2

app.buboleinov.com

chat.veminiare.com

chat.billionady.com

app3.maintorna.com

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 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\shook.vob.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\shook.vob.dll
      2⤵
        PID:424

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/424-114-0x0000000000000000-mapping.dmp

    • memory/424-115-0x0000000072F90000-0x0000000072F9E000-memory.dmp

      Filesize

      56KB

    • memory/424-116-0x0000000072F90000-0x000000007403E000-memory.dmp

      Filesize

      16.7MB

    • memory/424-117-0x0000000003530000-0x0000000003531000-memory.dmp

      Filesize

      4KB