Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2022 17:54

General

  • Target

    aa856dedda137f7419ecc36766ed74e3.dll

  • Size

    300KB

  • MD5

    aa856dedda137f7419ecc36766ed74e3

  • SHA1

    59a685b1ddd500747678ed66ffdb1afadb7b8023

  • SHA256

    9ec85fa9097826fce61020be2f15ed01c320109c7ec3654c2a42b1b5c46b4b6f

  • SHA512

    60dcb99e96369c32fc8330570021225575b01c3e7b4ecd42554d0b5dbca2796cdb86f93630b32c836892b67a3b50ff8b7594cff43d02a85f8822beb638011fff

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3000

C2

config.edge.skype.com

37.120.206.71

37.120.206.84

193.106.191.163

Attributes
  • base_path

    /drew/

  • build

    250240

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\aa856dedda137f7419ecc36766ed74e3.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\aa856dedda137f7419ecc36766ed74e3.dll
      2⤵
        PID:1832

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1832-55-0x0000000000000000-mapping.dmp

    • memory/1832-56-0x0000000076281000-0x0000000076283000-memory.dmp

      Filesize

      8KB

    • memory/1832-57-0x0000000010000000-0x000000001000E000-memory.dmp

      Filesize

      56KB

    • memory/1832-62-0x0000000000190000-0x000000000019D000-memory.dmp

      Filesize

      52KB

    • memory/1932-54-0x000007FEFC381000-0x000007FEFC383000-memory.dmp

      Filesize

      8KB