Analysis

  • max time kernel
    36s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14/06/2022, 08:41

General

  • Target

    62a8495f3b293.dll

  • Size

    436KB

  • MD5

    dd165240f5a2de250727eb47e458d7db

  • SHA1

    2748f39c430664f6c4c9c1700f1b7d05908d8dfd

  • SHA256

    ce3d465a139b6c7ca2b3414a08230b50b1e2e341310113ada498c2aecdce1d96

  • SHA512

    5e33d29014cb99754bacd08b766e3f611ed7711c217b4cb26bbc7836a738e06a9a88d960b916e6148320f0d0ba6a4583a2ed1f600af4ea696af30d1ddfec347d

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3000

C2

config.edge.skype.com

194.76.226.15

109.230.199.114

Attributes
  • base_path

    /drew/

  • build

    250235

  • 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\62a8495f3b293.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\62a8495f3b293.dll,#1
      2⤵
        PID:1100

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-55-0x0000000075951000-0x0000000075953000-memory.dmp

            Filesize

            8KB

          • memory/1100-56-0x0000000000170000-0x00000000001DF000-memory.dmp

            Filesize

            444KB

          • memory/1100-57-0x0000000000170000-0x00000000001DF000-memory.dmp

            Filesize

            444KB

          • memory/1100-59-0x0000000000140000-0x0000000000146000-memory.dmp

            Filesize

            24KB

          • memory/1100-60-0x00000000001F0000-0x00000000001FD000-memory.dmp

            Filesize

            52KB