Analysis

  • max time kernel
    133s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    13/06/2022, 10:16

General

  • Target

    x610E.tmp.dll

  • Size

    480KB

  • MD5

    fe2e50e674aceba23daa6c4e1501512e

  • SHA1

    ecb3a334493b82335040ea3196ed053682bcaea3

  • SHA256

    dd44995c4e6440c80669b0b16a53c2956b0675c9bb015a9e8037d8f487e604cf

  • SHA512

    5090370c34eeb972d8d9a8e9883c6fdb6f78f4ca6bc1378a5456c1c6598ca8a44d6fff07529eeb0854814a72194f4d32bb25232e2633cc79137eae33be35e442

Malware Config

Extracted

Family

gozi_ifsb

Botnet

7634

C2

factorlink.top

factorline.top

mediumline.co

Attributes
  • base_path

    /drew/

  • build

    250229

  • 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\x610E.tmp.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\x610E.tmp.dll,#1
      2⤵
        PID:912

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/912-55-0x00000000764C1000-0x00000000764C3000-memory.dmp

            Filesize

            8KB

          • memory/912-56-0x0000000000330000-0x00000000003AB000-memory.dmp

            Filesize

            492KB

          • memory/912-57-0x0000000000330000-0x00000000003AB000-memory.dmp

            Filesize

            492KB

          • memory/912-59-0x0000000000200000-0x0000000000206000-memory.dmp

            Filesize

            24KB

          • memory/912-60-0x0000000000280000-0x000000000028D000-memory.dmp

            Filesize

            52KB