Analysis

  • max time kernel
    132s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 04:22

General

  • Target

    e4c24c8ba14f24deebec1c1fe046a255bd92a79543a56f675010a7d29e3590b8.exe

  • Size

    164KB

  • MD5

    729a2cc01d1cac5d3ec15d435f42a981

  • SHA1

    d867c2dee46690baf37362cab67916dc80ee2e34

  • SHA256

    e4c24c8ba14f24deebec1c1fe046a255bd92a79543a56f675010a7d29e3590b8

  • SHA512

    15b1ef6edac0d8e458d697da55fdcde420748b3e1cd00b95898874759c1ce06742b3f669df3da3bf4a07f520ad5fecfb84b61c9f888b5e9c279a69c9fee0f3ed

  • SSDEEP

    3072:etlwZo3XrH+RoaVH1CQlFl24yliIT+4oeBiajW0/LwS8:M+myCO6i/epWmsS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4c24c8ba14f24deebec1c1fe046a255bd92a79543a56f675010a7d29e3590b8.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c24c8ba14f24deebec1c1fe046a255bd92a79543a56f675010a7d29e3590b8.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:3796
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4080,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4048 /prefetch:8
    1⤵
      PID:2404

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3796-0-0x000000007470E000-0x000000007470F000-memory.dmp
      Filesize

      4KB

    • memory/3796-1-0x00000000009A0000-0x00000000009D0000-memory.dmp
      Filesize

      192KB

    • memory/3796-2-0x00000000059D0000-0x0000000005F74000-memory.dmp
      Filesize

      5.6MB

    • memory/3796-3-0x0000000005390000-0x00000000053F6000-memory.dmp
      Filesize

      408KB

    • memory/3796-4-0x0000000074700000-0x0000000074EB0000-memory.dmp
      Filesize

      7.7MB

    • memory/3796-5-0x0000000006540000-0x00000000065D2000-memory.dmp
      Filesize

      584KB

    • memory/3796-6-0x0000000006530000-0x000000000653A000-memory.dmp
      Filesize

      40KB

    • memory/3796-7-0x00000000067D0000-0x0000000006820000-memory.dmp
      Filesize

      320KB

    • memory/3796-8-0x00000000069F0000-0x0000000006BB2000-memory.dmp
      Filesize

      1.8MB

    • memory/3796-9-0x000000007470E000-0x000000007470F000-memory.dmp
      Filesize

      4KB

    • memory/3796-10-0x0000000074700000-0x0000000074EB0000-memory.dmp
      Filesize

      7.7MB