Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 08:27

General

  • Target

    7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1.exe

  • Size

    680KB

  • MD5

    491fbb077253ef49c0acf742cb8d5833

  • SHA1

    7d838f4ba2ca272156d24191b48a1cd6f64d9152

  • SHA256

    7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1

  • SHA512

    d7187a54ee97c4013677e6d2dbb90f97773b18e403b73a260294d7c378977a048d82f2d04b5b58a393b7326a86ca3f959cdecc85cad97e4e124e023d9a16215e

  • SSDEEP

    12288:UUGpgBiEzB+pCLd5wZGh+TaYzRUYBcYGsocX8FgH7EhdTa+:UtgRzB+wd5IGh+TzzqFYn4FgH7

Malware Config

Extracted

Family

stealc

Botnet

LogsDiller

C2

http://77.220.212.32

Attributes
  • url_path

    /eb51242cada87444.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1.exe
    "C:\Users\Admin\AppData\Local\Temp\7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7dcd3c8c9408c26e55384b50c6b05b1623523dac22973a48325b7ac3f2e99be1.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\chrome.dll

    Filesize

    676KB

    MD5

    eda18948a989176f4eebb175ce806255

    SHA1

    ff22a3d5f5fb705137f233c36622c79eab995897

    SHA256

    81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

    SHA512

    160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

  • memory/2764-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

    Filesize

    1024KB

  • memory/2764-3-0x0000000000400000-0x00000000006ED000-memory.dmp

    Filesize

    2.9MB

  • memory/2764-2-0x00000000002D0000-0x00000000003AA000-memory.dmp

    Filesize

    872KB

  • memory/2764-10-0x0000000000400000-0x00000000006ED000-memory.dmp

    Filesize

    2.9MB

  • memory/2764-12-0x00000000002D0000-0x00000000003AA000-memory.dmp

    Filesize

    872KB

  • memory/2764-11-0x0000000002C50000-0x0000000002D50000-memory.dmp

    Filesize

    1024KB

  • memory/2764-9-0x0000000000400000-0x0000000002BAE000-memory.dmp

    Filesize

    39.7MB