Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 15:47

General

  • Target

    2e04ac4351af2f59fd860fb16475d7b1.exe

  • Size

    307KB

  • MD5

    2e04ac4351af2f59fd860fb16475d7b1

  • SHA1

    9c2b6cd56ac44fb5fb189e08d0de1b64d5475e31

  • SHA256

    6760a4705383711ee29812a1e6f56b8d60c48a5375382025ce98ad4d0f2893ac

  • SHA512

    da2d58f566ef4099eff9a122df8cd203daa248966b822060b7c2021773f3b19cfc8a0ea283911d656cb542e3dd7aec656ae1b90080f85707f056d4d972202a40

  • SSDEEP

    3072:437S/ThgppOddNE+R+DbL169pzVtVtbpbzYXBqiUaDHEeQI7IuU:heXOvrU0tzIRqKLEN+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\2e04ac4351af2f59fd860fb16475d7b1.exe
    "C:\Users\Admin\AppData\Local\Temp\2e04ac4351af2f59fd860fb16475d7b1.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2928

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/2928-1-0x0000000001B70000-0x0000000001C70000-memory.dmp
    Filesize

    1024KB

  • memory/2928-2-0x0000000000220000-0x0000000000247000-memory.dmp
    Filesize

    156KB

  • memory/2928-3-0x0000000000400000-0x0000000001A18000-memory.dmp
    Filesize

    22.1MB

  • memory/2928-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/2928-64-0x0000000000400000-0x0000000001A18000-memory.dmp
    Filesize

    22.1MB

  • memory/2928-65-0x0000000001B70000-0x0000000001C70000-memory.dmp
    Filesize

    1024KB