Resubmissions

27/10/2021, 11:33

211027-npbnjseeh610

04/02/2021, 15:53

210204-ry8nav1e2610

22/01/2021, 18:03

210122-wbsmxw8v7s10

Analysis

  • max time kernel
    24s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04/02/2021, 15:53

General

  • Target
    out.dll
  • Size 95KB
  • Sample210204-ry8nav1e26
  • SHA256 09029ff1f317ccfdd92bfd8ae154328748e761231aabb51872e2b1204315f285
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi_ifsb

Attributes
  • build

  • dga_base_url

  • dga_crc

    0

  • dga_season

    0

  • dga_tlds

  • dns_servers

  • exe_type

Extracted

Family
  • gozi_ifsb

Botnet
  • 1100

C2
  • api10.laptok.at/api1

  • golang.feel500.at/api1

  • go.in100k.at/api1

Attributes
  • build

    250171

  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    1.320669898e+09

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • dns_servers

  • exe_type

    loader

rsa_pubkey.base64
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\out.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\out.dll,#1
      2⤵
        PID:2004

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2004-3-0x00000000765E1000-0x00000000765E3000-memory.dmp

          memory/2004-4-0x00000000000B0000-0x00000000000BC000-memory.dmp

          memory/2004-5-0x0000000010000000-0x000000001000F000-memory.dmp