Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 21:37

General

  • Target

    2temp356.exe

  • Size

    7.6MB

  • MD5

    4c7fa6d1969c22e6eb4423e61b5362bf

  • SHA1

    cb8c74194e13b0c45378f2d6e306c93bf426295f

  • SHA256

    9c6d82574506dff981e52381327a153a5a989dfaa74c8a080473575f050395b2

  • SHA512

    5c98c3999b7e84a7f0e4fe01ffb116da6dce16fcdce5cec1afeceaaeab67e889858c984af57babc0ececa966c497e05c5b9f4efb2ac6baa337adc8d27d780c45

  • SSDEEP

    196608:oJTLQirzOtf8Inwg3TafmeZjYYRvoBZ1XchFky4QdQoFs4FxFbVI:oJTLFzOtf8Inwg3TafmeZjYYRoBZ9cK9

Malware Config

Extracted

Family

stealc

Botnet

benjiworld29

C2

http://5.188.87.35

Attributes
  • url_path

    /3d7617bd9d626b25.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 2 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2temp356.exe
    "C:\Users\Admin\AppData\Local\Temp\2temp356.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

  • C:\Users\Admin\AppData\Local\Temp\f3d84c8f

    Filesize

    907KB

    MD5

    50b1d0b22ee487a8a5ebc4455189ace0

    SHA1

    2607e2c7cf1b577b53f44c896980848a12b1397e

    SHA256

    c38e25543b4f45d6117fe4bfef61bef5282c2df17690d051248fa9abe312bc44

    SHA512

    88a90370902ce1ec0580ab65a02e515e218412c3c00b1ad65c4b0541059a883ea494822ac987abe7a1e2ad9d99a2085d632fde04eef8a4560669149be170ca6e

  • memory/1156-11-0x00007FF90AC30000-0x00007FF90AE25000-memory.dmp

    Filesize

    2.0MB

  • memory/1156-94-0x0000000074D11000-0x0000000074D1F000-memory.dmp

    Filesize

    56KB

  • memory/1156-15-0x0000000074D10000-0x0000000074E8B000-memory.dmp

    Filesize

    1.5MB

  • memory/1156-13-0x0000000074D10000-0x0000000074E8B000-memory.dmp

    Filesize

    1.5MB

  • memory/1156-12-0x0000000074D10000-0x0000000074E8B000-memory.dmp

    Filesize

    1.5MB

  • memory/1156-8-0x0000000074D11000-0x0000000074D1F000-memory.dmp

    Filesize

    56KB

  • memory/3820-6-0x0000000074D10000-0x0000000074E8B000-memory.dmp

    Filesize

    1.5MB

  • memory/3820-3-0x0000000000400000-0x0000000000BB2000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-5-0x00007FF90AC30000-0x00007FF90AE25000-memory.dmp

    Filesize

    2.0MB

  • memory/3820-4-0x0000000074D10000-0x0000000074E8B000-memory.dmp

    Filesize

    1.5MB

  • memory/3820-0-0x0000000004280000-0x0000000004281000-memory.dmp

    Filesize

    4KB

  • memory/3820-1-0x000000000040B000-0x000000000040C000-memory.dmp

    Filesize

    4KB

  • memory/3820-2-0x0000000000400000-0x0000000000BB2000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-16-0x0000000000130000-0x0000000000375000-memory.dmp

    Filesize

    2.3MB

  • memory/4788-21-0x0000000000FC0000-0x00000000013F3000-memory.dmp

    Filesize

    4.2MB

  • memory/4788-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4788-20-0x00000000010A3000-0x00000000010AB000-memory.dmp

    Filesize

    32KB

  • memory/4788-18-0x0000000000130000-0x0000000000375000-memory.dmp

    Filesize

    2.3MB

  • memory/4788-92-0x0000000000130000-0x0000000000375000-memory.dmp

    Filesize

    2.3MB

  • memory/4788-93-0x0000000000130000-0x0000000000375000-memory.dmp

    Filesize

    2.3MB

  • memory/4788-17-0x00007FF90AC30000-0x00007FF90AE25000-memory.dmp

    Filesize

    2.0MB