Analysis

  • max time kernel
    132s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 13:00

General

  • Target

    3de722f64d778d94c65cd85525b813a27c685804573cc35bacb8d4e5d9c1333b.exe

  • Size

    218KB

  • MD5

    c97705dff3ab16dca5a94adbee23e579

  • SHA1

    b82fd32843ae7b39be14b6d57d559d89fed38477

  • SHA256

    3de722f64d778d94c65cd85525b813a27c685804573cc35bacb8d4e5d9c1333b

  • SHA512

    5eafa227ced5bc7dd6324487bdaaca5163a43c413d50175d7be04587aef4eda63c3f7aba4ee22dc50003a16d2b4449c9b6b349ac2fd1137eb05f5cc2a76e5430

  • SSDEEP

    3072:6u5tw9oh0MTwWOBzAK8B+MBheMjmDqSWwYJzydxu2G13OrRm+OxQxbTh/Ry:Xw9+aRAHBQmeqlJzydxrRzgEbTh/

Malware Config

Extracted

Family

stealc

Botnet

default11

C2

http://185.172.128.170

Attributes
  • url_path

    /7043a0c6a68d9c65.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.

  • Enumerates physical storage devices 1 TTPs

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

  • 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\3de722f64d778d94c65cd85525b813a27c685804573cc35bacb8d4e5d9c1333b.exe
    "C:\Users\Admin\AppData\Local\Temp\3de722f64d778d94c65cd85525b813a27c685804573cc35bacb8d4e5d9c1333b.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/432-3-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/432-2-0x0000000002E10000-0x0000000002E37000-memory.dmp

    Filesize

    156KB

  • memory/432-1-0x0000000002E60000-0x0000000002F60000-memory.dmp

    Filesize

    1024KB

  • memory/432-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/432-93-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/432-92-0x0000000000400000-0x0000000002C96000-memory.dmp

    Filesize

    40.6MB