Analysis

  • max time kernel
    118s
  • 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 03:36

General

  • Target

    443feeee0d3620715ba9238b805d35de.exe

  • Size

    311KB

  • MD5

    443feeee0d3620715ba9238b805d35de

  • SHA1

    2a8676095b811f57eb96066f58a296ae25ed062b

  • SHA256

    b61de149a368f78dc76338a644958eb51d4efcd333b4e33485463c76f48fa1e2

  • SHA512

    45a9bbee864a1d72e56ef5d50ba5817500dc39317d3c81de6e76da93545cd420cea66c5d6c9d9b0b90208ec60cc118a9007efc233e7bc5d6a2b3a91445106a45

  • SSDEEP

    3072:x1KcGuj3Wp2C3AxPhx2+lz2JqO3Xk9drc0IbMSdVua0+us9pmo/R9MwWF9lzkkZD:RKcCQc0Ok9dcNbRrE+rMo/R9M1LJODE

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.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\443feeee0d3620715ba9238b805d35de.exe
    "C:\Users\Admin\AppData\Local\Temp\443feeee0d3620715ba9238b805d35de.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2084

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/2084-2-0x0000000000220000-0x0000000000247000-memory.dmp
    Filesize

    156KB

  • memory/2084-1-0x0000000001B60000-0x0000000001C60000-memory.dmp
    Filesize

    1024KB

  • memory/2084-3-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2084-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/2084-39-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2084-72-0x0000000001B60000-0x0000000001C60000-memory.dmp
    Filesize

    1024KB

  • memory/2084-74-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2084-75-0x0000000001B60000-0x0000000001C60000-memory.dmp
    Filesize

    1024KB