Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 05:40

General

  • Target

    85dca6e6e6d473f6f29c5eb46d40601fb2b791bd39676c5aeb9d87430fe55fde.exe

  • Size

    314KB

  • MD5

    6072dbaf48ba02b8c7eb71c774c932c4

  • SHA1

    b534476742e8cc7d3b277adb22e1005cfd67fa72

  • SHA256

    85dca6e6e6d473f6f29c5eb46d40601fb2b791bd39676c5aeb9d87430fe55fde

  • SHA512

    47920d6835ab8e72bbafd6a31a61d8963333ec92ab3bac1ca586d53018aebebd6efa7b957cd5e96952ee1d42ebafcb736ced6d6f05392573ad5a3a1142f48496

  • SSDEEP

    3072:GWLwfgvwJqfJ5jMc2GUPNDEO8iG9AVsOV5VU6aMB4Z:XLw3+j927NrK96k6ak

Malware Config

Extracted

Family

stealc

Botnet

default12

C2

http://185.172.128.170

Attributes
  • url_path

    /7043a0c6a68d9c65.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85dca6e6e6d473f6f29c5eb46d40601fb2b791bd39676c5aeb9d87430fe55fde.exe
    "C:\Users\Admin\AppData\Local\Temp\85dca6e6e6d473f6f29c5eb46d40601fb2b791bd39676c5aeb9d87430fe55fde.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AEGHJKJKKJ.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Users\Admin\AppData\Local\Temp\AEGHJKJKKJ.exe
        "C:\Users\Admin\AppData\Local\Temp\AEGHJKJKKJ.exe"
        3⤵
        • Executes dropped EXE
        PID:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\AEGHJKJKKJ.exe

    Filesize

    533KB

    MD5

    6c93fc68e2f01c20fb81af24470b790c

    SHA1

    d5927b38a32e30afcf5a658612a8266476fc4ad8

    SHA256

    64a71b664d76641b35dac312161cb356b3b3b5f0b45c9d88c8afa547b4902580

    SHA512

    355e9677121ef17cf8c398f0c17399776d206c62014080a2c62682e1152ea0729dcc6e233358dcd6bae009b07e3db936d4b18eb37d6e7ebc2fe9cf8d827c4ade

  • \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/2364-4-0x0000000000400000-0x0000000001BC8000-memory.dmp

    Filesize

    23.8MB

  • memory/2364-5-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2364-7-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2364-8-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2364-46-0x0000000000400000-0x0000000001BC8000-memory.dmp

    Filesize

    23.8MB

  • memory/2364-1-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2364-2-0x0000000001BD0000-0x0000000001BF7000-memory.dmp

    Filesize

    156KB

  • memory/2364-77-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2364-76-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB

  • memory/2364-75-0x0000000000400000-0x0000000001BC8000-memory.dmp

    Filesize

    23.8MB

  • memory/2364-3-0x0000000000400000-0x000000000063B000-memory.dmp

    Filesize

    2.2MB