Analysis

  • max time kernel
    55s
  • max time network
    180s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-06-2023 04:47

General

  • Target

    0cb6db3b13d90d34c76a8978afe08abae24991fa0d11cecd642c7714f9b376a8.exe

  • Size

    6.5MB

  • MD5

    bf617cd6dac3097d47ac38c609a7b3d0

  • SHA1

    e2c39b57f39364d54d4364540ce8f774b30d521d

  • SHA256

    0cb6db3b13d90d34c76a8978afe08abae24991fa0d11cecd642c7714f9b376a8

  • SHA512

    ad63b0c16621561028e4df64d45d1be68ae5baa3cf34400869df1acc7bcda6e65dad6e8cf2721f0d734ac03616a0fa8abbe31ddfeaa6bd4b294c2a026bb0c382

  • SSDEEP

    98304:miMFhJ+oF/Z7QIL0rUJZPx8EvavPwbp56FjL:SerqJxQX

Malware Config

Extracted

Family

stealc

C2

http://95.217.232.10/2e12d77e23b78d01.php

Signatures

  • Detects Stealc stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cb6db3b13d90d34c76a8978afe08abae24991fa0d11cecd642c7714f9b376a8.exe
    "C:\Users\Admin\AppData\Local\Temp\0cb6db3b13d90d34c76a8978afe08abae24991fa0d11cecd642c7714f9b376a8.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2320

Network

MITRE ATT&CK Enterprise v6

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/2320-121-0x0000000000400000-0x0000000000AA4000-memory.dmp

    Filesize

    6.6MB

  • memory/2320-122-0x0000000002B20000-0x0000000002D4C000-memory.dmp

    Filesize

    2.2MB

  • memory/2320-124-0x0000000002B20000-0x0000000002D4C000-memory.dmp

    Filesize

    2.2MB

  • memory/2320-125-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2320-202-0x0000000002B20000-0x0000000002D4C000-memory.dmp

    Filesize

    2.2MB