Analysis

  • max time kernel
    36s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14/06/2022, 08:59

General

  • Target

    04447a2725f293f8a9746b0db58fa832.dll

  • Size

    436KB

  • MD5

    04447a2725f293f8a9746b0db58fa832

  • SHA1

    caf87c9fa89e4f6039a3c296bbcd7ffce4cdf829

  • SHA256

    b1d0b5b4ce535cdbf0b8fbd21c8583fbade52436da55fbb7c1d4c75d47eca75c

  • SHA512

    2ecccfda9267faa7ac30307d455601fa79711e4163a71770807b70e2228e6b5ce335d46a7b3eb0810f0b0f0e404eaa27dc2bbabc3334fb654352b3c39a661e06

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\04447a2725f293f8a9746b0db58fa832.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\04447a2725f293f8a9746b0db58fa832.dll,#1
      2⤵
        PID:1796

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1796-55-0x0000000075951000-0x0000000075953000-memory.dmp

            Filesize

            8KB

          • memory/1796-56-0x00000000001E0000-0x000000000024F000-memory.dmp

            Filesize

            444KB

          • memory/1796-57-0x00000000001E0000-0x000000000024F000-memory.dmp

            Filesize

            444KB

          • memory/1796-59-0x0000000000100000-0x0000000000106000-memory.dmp

            Filesize

            24KB

          • memory/1796-60-0x0000000000360000-0x000000000036D000-memory.dmp

            Filesize

            52KB