Analysis

  • max time kernel
    67s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02-07-2021 15:44

General

  • Target

    fb48e7ea40d264d69dead693b2a4673b23d82158e542108740f418cd36a20f5a.dll

  • Size

    937KB

  • MD5

    933d6410ea5e5d13fe61b41ad1badeaa

  • SHA1

    b22a755163b157f9ba3feec53acf6244a9e4c6fa

  • SHA256

    fb48e7ea40d264d69dead693b2a4673b23d82158e542108740f418cd36a20f5a

  • SHA512

    ed2be1e59ada96699306a6c42eeb085399dfd0bc7e39fc15b8ad1458d639241a60c9343c74c32737d1e208734e35937c1552ac08b2cae9ccf38753ed11bec2ae

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes
  • build

    250188

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb48e7ea40d264d69dead693b2a4673b23d82158e542108740f418cd36a20f5a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb48e7ea40d264d69dead693b2a4673b23d82158e542108740f418cd36a20f5a.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:2324
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:2640

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2324-115-0x0000000000000000-mapping.dmp
      • memory/2640-116-0x0000000000000000-mapping.dmp
      • memory/4004-114-0x0000000000000000-mapping.dmp
      • memory/4004-118-0x0000000073480000-0x0000000073584000-memory.dmp
        Filesize

        1.0MB

      • memory/4004-117-0x0000000073480000-0x000000007348E000-memory.dmp
        Filesize

        56KB

      • memory/4004-119-0x0000000002BD0000-0x0000000002BD1000-memory.dmp
        Filesize

        4KB