Analysis

  • max time kernel
    82s
  • max time network
    59s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 10:28

General

  • Target

    59767b2ac03eb8320a661f410d53a025c8975b12de796e80b1c84306200f6a75.dll

  • Size

    488KB

  • MD5

    aaba239e1c2208a6f00bb10034cba621

  • SHA1

    2520815cda4b4cdf652de337d4c9285e74d2a585

  • SHA256

    59767b2ac03eb8320a661f410d53a025c8975b12de796e80b1c84306200f6a75

  • SHA512

    1c80f3ff51f5d9b53232a1d9fb10c02bf22d8fbd686b76b8c6718b11bf6e834ca5b02c19535f70cbc08ade26360d0b42c5b944d63516853fb84acc573614ad16

Malware Config

Extracted

Family

gozi_ifsb

Botnet

2500

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\59767b2ac03eb8320a661f410d53a025c8975b12de796e80b1c84306200f6a75.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\59767b2ac03eb8320a661f410d53a025c8975b12de796e80b1c84306200f6a75.dll,#1
      2⤵
        PID:2004

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2004-59-0x0000000000000000-mapping.dmp

    • memory/2004-60-0x0000000076E11000-0x0000000076E13000-memory.dmp

      Filesize

      8KB

    • memory/2004-61-0x0000000001D40000-0x0000000001EC0000-memory.dmp

      Filesize

      1.5MB

    • memory/2004-62-0x0000000001D40000-0x0000000001D4E000-memory.dmp

      Filesize

      56KB

    • memory/2004-63-0x0000000000100000-0x0000000000101000-memory.dmp

      Filesize

      4KB