Analysis

  • max time kernel
    16s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    10-06-2021 14:33

General

  • Target

    xadar7.dll

  • Size

    388KB

  • MD5

    25c2e1969e16e6832b977cbad8a0d3bb

  • SHA1

    26f454e0fcf8437ec9af2c54f07bdde2d0b2cd7e

  • SHA256

    1fa8b3b4043467e12e94010460c7a141529677390a606299385c35b1d4e30a4c

  • SHA512

    b0ac5766eb14b8e4f021ee3179d41df7398923e10add161890b95f293ec9c1e7b6237c7e72c5481121a15a58d0e36727b7d43a28b2707c13b321446105b6d353

Malware Config

Extracted

Family

gozi_ifsb

Botnet

6000

C2

authd.feronok.com

app.bighomegl.at

Attributes
  • build

    250204

  • 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\xadar7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\xadar7.dll,#1
      2⤵
        PID:3844

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3844-114-0x0000000000000000-mapping.dmp
    • memory/3844-115-0x0000000073A20000-0x0000000073A2D000-memory.dmp
      Filesize

      52KB

    • memory/3844-116-0x0000000073A20000-0x0000000073ACF000-memory.dmp
      Filesize

      700KB

    • memory/3844-117-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
      Filesize

      4KB