Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 02:38

General

  • Target

    Documenti di spedizione.exe

  • Size

    588KB

  • MD5

    a10e959289c077bc452de5c48abd7262

  • SHA1

    9b295da45f8cc4fa5e5b94ba1ad3de93c617eadf

  • SHA256

    e246806c6b16a736f29c6c3677c9f9263c8a0dc347a92a4f2606e93b13aec707

  • SHA512

    67e5e6cd4f850f889cc09ee909310691968dc6f44c8ab2a2c1628a42605c42b6c767fefe5454d6d29fbf0aeced3f99626f5bf4037a2f3de942a0156318015778

  • SSDEEP

    12288:tHadcxTchoKjyaOA/krybKcHGLoejfuLo8i5Zk4:VadhaKuaOA/NYfuLo8iHk4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documenti di spedizione.exe
    "C:\Users\Admin\AppData\Local\Temp\Documenti di spedizione.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\Documenti di spedizione.exe
      "C:\Users\Admin\AppData\Local\Temp\Documenti di spedizione.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\corruptive.ini

    Filesize

    41B

    MD5

    72aa3249175db3140ca2417e0d3734af

    SHA1

    26c42df76bae28052fe718345719d9c63c1d0ce5

    SHA256

    805937f3343642a10631ed3c4829f25ddfecb4ec9cb240d59c2bc8d57a9bfd83

    SHA512

    62b7380db3ddceb487c74400ae6640e4aecbafbbfd9b5d30766eb14e04b968220a739d5e951edc9d40ee649d2aee7159258095d49a75e62890211fb64bd9fe59

  • C:\Users\Admin\AppData\Local\Temp\nsxA53B.tmp\System.dll

    Filesize

    12KB

    MD5

    192639861e3dc2dc5c08bb8f8c7260d5

    SHA1

    58d30e460609e22fa0098bc27d928b689ef9af78

    SHA256

    23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6

    SHA512

    6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc

  • memory/2064-22-0x0000000003060000-0x00000000045A3000-memory.dmp

    Filesize

    21.3MB

  • memory/2064-17-0x0000000003060000-0x00000000045A3000-memory.dmp

    Filesize

    21.3MB

  • memory/2064-18-0x0000000077D71000-0x0000000077E91000-memory.dmp

    Filesize

    1.1MB

  • memory/2064-20-0x0000000075215000-0x0000000075216000-memory.dmp

    Filesize

    4KB

  • memory/2064-19-0x0000000003060000-0x00000000045A3000-memory.dmp

    Filesize

    21.3MB

  • memory/3928-25-0x0000000000490000-0x00000000016E4000-memory.dmp

    Filesize

    18.3MB

  • memory/3928-23-0x0000000077DF8000-0x0000000077DF9000-memory.dmp

    Filesize

    4KB

  • memory/3928-24-0x0000000077E15000-0x0000000077E16000-memory.dmp

    Filesize

    4KB

  • memory/3928-21-0x00000000016F0000-0x0000000002C33000-memory.dmp

    Filesize

    21.3MB

  • memory/3928-27-0x0000000077D71000-0x0000000077E91000-memory.dmp

    Filesize

    1.1MB

  • memory/3928-26-0x00000000016F0000-0x0000000002C33000-memory.dmp

    Filesize

    21.3MB

  • memory/3928-28-0x0000000000490000-0x00000000004D2000-memory.dmp

    Filesize

    264KB

  • memory/3928-29-0x00000000354B0000-0x0000000035A54000-memory.dmp

    Filesize

    5.6MB

  • memory/3928-30-0x0000000035430000-0x0000000035496000-memory.dmp

    Filesize

    408KB

  • memory/3928-32-0x0000000036440000-0x0000000036490000-memory.dmp

    Filesize

    320KB

  • memory/3928-33-0x0000000036490000-0x0000000036522000-memory.dmp

    Filesize

    584KB

  • memory/3928-34-0x0000000036560000-0x000000003656A000-memory.dmp

    Filesize

    40KB

  • memory/3928-35-0x0000000077D71000-0x0000000077E91000-memory.dmp

    Filesize

    1.1MB