Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 14:56

General

  • Target

    5e14291d1ddc502823a02e1bdb0cee56.exe

  • Size

    306KB

  • MD5

    5e14291d1ddc502823a02e1bdb0cee56

  • SHA1

    1ce2cc9c34fa0386b4d2d7ca36d4504fda3d1130

  • SHA256

    f98a232e9e666e4af8894757f171505040762677b4fcfa4e00269ea548ca13f7

  • SHA512

    a96959377102289f93579c73939d0da98b6e2fe79aaf53c93727cb45ca28ee64451ef33a676ef06e095ccc89fe447edc92f539a121db4112f7533773758df985

  • SSDEEP

    3072:23Cbs6xpadpZ8MtN+pbLmXcXi3uyPXEpkUEt92NbphFfOSNhcBquEiHE/I7IuU:VEdLd6q3uysKGGremE/+U

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e14291d1ddc502823a02e1bdb0cee56.exe
    "C:\Users\Admin\AppData\Local\Temp\5e14291d1ddc502823a02e1bdb0cee56.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1624

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1624-2-0x00000000003A0000-0x00000000003C7000-memory.dmp
    Filesize

    156KB

  • memory/1624-1-0x0000000000230000-0x0000000000330000-memory.dmp
    Filesize

    1024KB

  • memory/1624-3-0x0000000000400000-0x0000000001A18000-memory.dmp
    Filesize

    22.1MB

  • memory/1624-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/1624-73-0x0000000000400000-0x0000000001A18000-memory.dmp
    Filesize

    22.1MB