Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-11-2021 12:48

General

  • Target

    b39e97bde83db04c795d18b8f67e19ea.dll

  • Size

    133KB

  • MD5

    b39e97bde83db04c795d18b8f67e19ea

  • SHA1

    d790b9fc4b6e37035357f1bcf3948b66c6931f15

  • SHA256

    bce328beb9ae78ec279dc17bf701d58cb1cfa12ff570b00c78c0ada6893c80cf

  • SHA512

    23839fbd59a5cefe9092e210a8abec08999f51a033f0ee44e6e008a4e6bf74b91eb6498b6ab756cc2bda242149c3a382a7cd0ad0d7c783ec3f48f7c95128fc54

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8899

C2

microsoft.com/windowsdisabler

https://technoshoper.com

https://avolebukoneh.website

http://technoshoper.com

http://avolebukoneh.website

Attributes
  • build

    260216

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)

    suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M1 (_2B)

  • suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

    suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b39e97bde83db04c795d18b8f67e19ea.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b39e97bde83db04c795d18b8f67e19ea.dll
      2⤵
        PID:2636

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2636-115-0x0000000000000000-mapping.dmp
    • memory/2636-116-0x0000000000820000-0x000000000082F000-memory.dmp
      Filesize

      60KB