Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 08:58

General

  • Target

    fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe

  • Size

    306KB

  • MD5

    80b6ab6a94be9f1cc5326fb7eafe8bc1

  • SHA1

    177176a6d021829b3c9c5f4c56bd1818e49c7843

  • SHA256

    fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc

  • SHA512

    4838e8a2288dd343a6c4594096a0241ba843f0960f5e3c223bb14c3767672131a2326f2f60cbb0d6e1100ae8c7dfe2b9e26bd2eea2e7cfcab3707686d88a58d7

  • SSDEEP

    3072:S5OGVnqRp2PCl0kRv+nbLkOvqDbDEKEJTsTc+ZlRVpRmHEzGI7IMNU:OmIPCLwHSvQJmhpRyEy8NU

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\fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe
    "C:\Users\Admin\AppData\Local\Temp\fc78e8de8a0ef72dba38b06c7f884087a37db530035976a88a230fe0c683c4cc.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3008

Network

MITRE ATT&CK Enterprise v15

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/3008-2-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/3008-1-0x0000000001B90000-0x0000000001C90000-memory.dmp

    Filesize

    1024KB

  • memory/3008-3-0x0000000000400000-0x0000000001A18000-memory.dmp

    Filesize

    22.1MB

  • memory/3008-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3008-72-0x0000000000400000-0x0000000001A18000-memory.dmp

    Filesize

    22.1MB

  • memory/3008-74-0x0000000000400000-0x0000000001A18000-memory.dmp

    Filesize

    22.1MB