Resubmissions

27-10-2021 11:33

211027-npbnjseeh6 10

04-02-2021 15:53

210204-ry8nav1e26 10

22-01-2021 18:03

210122-wbsmxw8v7s 10

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

  • MD5

    2ff0ff62b5cf7e7097f75a37492f02f8

  • SHA1

    9d60d24299762f4aa7fa71838b58e4e747b95df6

  • SHA256

    09029ff1f317ccfdd92bfd8ae154328748e761231aabb51872e2b1204315f285

  • SHA512

    dc9a5422b9f49910db2ad66d4b4d010fb538e6c12e214c33b4b5ee3c5b96591d251b17d9ff99a7dea83b25b62e6ec521a7292471f42def6cb00b2fa139a9eea6

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/2004-2-0x0000000000000000-mapping.dmp

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

      Filesize

      8KB

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

      Filesize

      48KB

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

      Filesize

      60KB