Analysis

  • max time kernel
    89s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-03-2021 11:59

General

  • Target

    33.dll

  • Size

    170KB

  • MD5

    b70bb01648a76dd8545fd12ec53b9ce7

  • SHA1

    78a6919ffa9a86d8e85f248ce6435754b4d6f60b

  • SHA256

    4713834ea4f17e583ce824f4c2ee391cafac251d6f0d64a5234b417ac593094b

  • SHA512

    fe6eb27d690d3d2bd9771408588c34d6287514d6247e034e9f009ecef8f1bc41cb76ed9a42d8ab3b57cb3cfa1ec24a501b5532b27c5eba55369ed2e0dc1389e3

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3300

C2

api10.laptok.at/api1

golang.feel500.at/api1

go.in100k.at/api1

Attributes
  • build

    250180

  • exe_type

    loader

  • server_id

    730

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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\33.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\33.dll
      2⤵
        PID:1840

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/324-2-0x000007FEFC3E1000-0x000007FEFC3E3000-memory.dmp
      Filesize

      8KB

    • memory/1840-3-0x0000000000000000-mapping.dmp
    • memory/1840-4-0x00000000766C1000-0x00000000766C3000-memory.dmp
      Filesize

      8KB

    • memory/1840-5-0x0000000074FA0000-0x0000000074FAF000-memory.dmp
      Filesize

      60KB

    • memory/1840-6-0x00000000001F0000-0x00000000001F1000-memory.dmp
      Filesize

      4KB