Analysis

  • max time kernel
    64s
  • max time network
    46s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24-05-2021 18:09

General

  • Target

    61ebcf9a45616ec4499cf6b8c836e8a1.dll

  • Size

    937KB

  • MD5

    61ebcf9a45616ec4499cf6b8c836e8a1

  • SHA1

    afd6f2e2ef19ba9f9cfdea3acaae12f189bcacd7

  • SHA256

    db49e3761c2b7175c40c25249b260c3ad85973b5e7e4996f366facf1f072275b

  • SHA512

    f87be7e493b67d8d7efe0cb8a9aa9332d489fddac3f475f6dd5d797170fed789fcb5dee2edea277b9255a5a8c667bf020a4ca4892dc7eebb4a5f241787012e09

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.base64
serpent.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\61ebcf9a45616ec4499cf6b8c836e8a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\61ebcf9a45616ec4499cf6b8c836e8a1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:3668
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:3732

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/384-114-0x0000000000000000-mapping.dmp
      • memory/384-118-0x0000000074080000-0x0000000074184000-memory.dmp
        Filesize

        1.0MB

      • memory/384-117-0x0000000074080000-0x000000007408E000-memory.dmp
        Filesize

        56KB

      • memory/384-119-0x0000000000860000-0x00000000009AA000-memory.dmp
        Filesize

        1.3MB

      • memory/3668-115-0x0000000000000000-mapping.dmp
      • memory/3732-116-0x0000000000000000-mapping.dmp