Analysis

  • max time kernel
    144s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    26-10-2021 14:07

General

  • Target

    383f57d9665b8533771ea9d033d16080.dll

  • Size

    467KB

  • MD5

    383f57d9665b8533771ea9d033d16080

  • SHA1

    a544d243cd894f6b320df866c8d1de2da7cbb57e

  • SHA256

    9489b404fde84f919122108ec0b56fd7376dbbc706a5733aa5e2dc3aeb005034

  • SHA512

    056d257d11e2c1b6b8b2b7e6a3554bbf72d18197a962771cc03068299d4f349893ca4ff289e92e66031f477572519faad7b82e886ee433f6ea859a9689e07f63

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8899

C2

msn.com/mail

realitystorys.com

outlook.com/signup

gderrrpololo.net

Attributes
  • build

    260212

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Blocklisted process makes network request 14 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\383f57d9665b8533771ea9d033d16080.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\383f57d9665b8533771ea9d033d16080.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:3680

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3680-115-0x0000000000000000-mapping.dmp
  • memory/3680-116-0x0000000073760000-0x00000000737E5000-memory.dmp
    Filesize

    532KB

  • memory/3680-118-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
    Filesize

    4KB

  • memory/3680-117-0x0000000073760000-0x000000007376F000-memory.dmp
    Filesize

    60KB

  • memory/3680-119-0x0000000073760000-0x00000000737E5000-memory.dmp
    Filesize

    532KB