Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 23:22

General

  • Target

    afdcc667bc00a776021e3832f2232c667142cb7280e2e725859c030c55a002bb.exe

  • Size

    266KB

  • MD5

    1c89b478ee4b0854331cc28dd340e331

  • SHA1

    8b2ed25413f5da8e1f7cd7ad48a922229bf94181

  • SHA256

    afdcc667bc00a776021e3832f2232c667142cb7280e2e725859c030c55a002bb

  • SHA512

    8c1ffc54a2b1ca5cde5d8f377cc797fa8fecfd3f4d18b3eb42bc5b6e88ebc0b6c97bf9ed33ad44512356015b239d592c14a6adfa7946cf90fe119333db834e9a

  • SSDEEP

    3072:Yg74YilIqFnVlFAO88sDslITlluen2JAV/jMQ5ft3hLU:YBYqIqFnVEO8F+EwOjMkhw

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.151

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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afdcc667bc00a776021e3832f2232c667142cb7280e2e725859c030c55a002bb.exe
    "C:\Users\Admin\AppData\Local\Temp\afdcc667bc00a776021e3832f2232c667142cb7280e2e725859c030c55a002bb.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2208

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/2208-2-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/2208-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

    Filesize

    1024KB

  • memory/2208-3-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2208-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2208-63-0x0000000000400000-0x0000000002AFF000-memory.dmp

    Filesize

    39.0MB

  • memory/2208-69-0x0000000000400000-0x0000000002AFF000-memory.dmp

    Filesize

    39.0MB

  • memory/2208-72-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2208-71-0x0000000000220000-0x0000000000247000-memory.dmp

    Filesize

    156KB

  • memory/2208-70-0x0000000000400000-0x0000000002AFF000-memory.dmp

    Filesize

    39.0MB