Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08/02/2022, 13:24

General

  • Target

    image.dll

  • Size

    503KB

  • MD5

    99eb077df2ad3f8678d7d80e0b240682

  • SHA1

    302f8aa0b2c284634a06098c9a8f0a81ea10e402

  • SHA256

    2603f6890e3c3d47696b37c47516ac2e9f35e6805653f467a0a22de2b88defc8

  • SHA512

    8f704e48c2461440562ccb22af6ce4e812bc3be5bfbf16b35d0b024af317b38f083d3f78d9d117197f23f19e4168ec1ca856271da8d986a6e2d2c22d1dcf4483

Malware Config

Extracted

Family

gozi_ifsb

Botnet

7611

C2

premiumliner.top

premiumline.space

linkspremium.ru

premiumlists.ru

Attributes
  • base_path

    /drew/

  • build

    250225

  • 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.

  • Drops file in Windows directory 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\image.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\image.dll
      2⤵
      • Drops file in Windows directory
      PID:1768

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1580-55-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

          Filesize

          8KB

        • memory/1768-56-0x0000000074F11000-0x0000000074F13000-memory.dmp

          Filesize

          8KB

        • memory/1768-58-0x0000000010000000-0x0000000010098000-memory.dmp

          Filesize

          608KB

        • memory/1768-59-0x0000000000130000-0x00000000001B0000-memory.dmp

          Filesize

          512KB