Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 19:35

General

  • Target

    1364. 2024.exe

  • Size

    1.2MB

  • MD5

    c8425676238228d1113a7ec5f2def5b8

  • SHA1

    e65b447b52f61dca39f6a2fcf06f772f98289f12

  • SHA256

    3e9c1ebae528d18117474a40600829255b9bb82b6a91a1174f29595f701b04c6

  • SHA512

    83b070b7c90a6a203e58732f92f304a094af9c53c1c8fb36280c402c911a3a3b1b7c3337afdf4f344207a416e7abf451e361ed1875635af979e3701b17d33f82

  • SSDEEP

    24576:y4nhDoAFAImWmC4m6eI0uVhBoBNFy0oy3sZNXLGQ7WczkxFnfbP9U:y+hkxTlwVI02Y59TaNXKQKczgy

Malware Config

Extracted

Family

agenttesla

Credentials

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 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1364. 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\1364. 2024.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Local\Temp\1364. 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\1364. 2024.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsv93F5.tmp\System.dll

    Filesize

    12KB

    MD5

    d6f54d2cefdf58836805796f55bfc846

    SHA1

    b980addc1a755b968dd5799179d3b4f1c2de9d2d

    SHA256

    f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9

    SHA512

    ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db

  • memory/3316-38-0x0000000035510000-0x0000000035576000-memory.dmp

    Filesize

    408KB

  • memory/3316-33-0x0000000000820000-0x0000000001A74000-memory.dmp

    Filesize

    18.3MB

  • memory/3316-42-0x00000000383F0000-0x00000000385B2000-memory.dmp

    Filesize

    1.8MB

  • memory/3316-41-0x0000000038360000-0x00000000383B0000-memory.dmp

    Filesize

    320KB

  • memory/3316-35-0x0000000000820000-0x0000000000850000-memory.dmp

    Filesize

    192KB

  • memory/3316-20-0x0000000001A80000-0x00000000049C2000-memory.dmp

    Filesize

    47.3MB

  • memory/3316-40-0x0000000038330000-0x000000003833A000-memory.dmp

    Filesize

    40KB

  • memory/3316-34-0x0000000000820000-0x0000000001A74000-memory.dmp

    Filesize

    18.3MB

  • memory/3316-39-0x0000000038260000-0x00000000382F2000-memory.dmp

    Filesize

    584KB

  • memory/3316-36-0x00000000378F0000-0x0000000037E94000-memory.dmp

    Filesize

    5.6MB

  • memory/3316-37-0x0000000001A80000-0x00000000049C2000-memory.dmp

    Filesize

    47.3MB

  • memory/3968-15-0x0000000004DB0000-0x0000000007CF2000-memory.dmp

    Filesize

    47.3MB

  • memory/3968-19-0x0000000004DB0000-0x0000000007CF2000-memory.dmp

    Filesize

    47.3MB

  • memory/3968-16-0x0000000004DB0000-0x0000000007CF2000-memory.dmp

    Filesize

    47.3MB

  • memory/3968-18-0x00000000745F5000-0x00000000745F6000-memory.dmp

    Filesize

    4KB

  • memory/3968-17-0x00000000779A1000-0x0000000077AC1000-memory.dmp

    Filesize

    1.1MB