Analysis

  • max time kernel
    65s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-07-2021 15:07

General

  • Target

    c4b2f757b08982fac75a63df8a5569e09b320a22d0f202681d55cc968c01f71b.dll

  • Size

    937KB

  • MD5

    1da0601d46dd56e2cfff320376dcf6d9

  • SHA1

    2c8f22a48e97a9284452ef9b46b5f4bfe38e3199

  • SHA256

    c4b2f757b08982fac75a63df8a5569e09b320a22d0f202681d55cc968c01f71b

  • SHA512

    7c1f8d3e2b061f9a202a84ad7e2389afea636f745c38b62bc40c72431ed493b0242a2362ef02b98f5fd8dfd552c386392391e1cf4450a9c41c72c1316f3f0e5e

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\c4b2f757b08982fac75a63df8a5569e09b320a22d0f202681d55cc968c01f71b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4b2f757b08982fac75a63df8a5569e09b320a22d0f202681d55cc968c01f71b.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:3916
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:2856

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1320-114-0x0000000000000000-mapping.dmp
      • memory/1320-117-0x0000000073B90000-0x0000000073B9E000-memory.dmp
        Filesize

        56KB

      • memory/1320-118-0x0000000073B90000-0x0000000073C94000-memory.dmp
        Filesize

        1.0MB

      • memory/1320-119-0x0000000003050000-0x00000000030FE000-memory.dmp
        Filesize

        696KB

      • memory/2856-116-0x0000000000000000-mapping.dmp
      • memory/3916-115-0x0000000000000000-mapping.dmp