Analysis

  • max time kernel
    140s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 21:41

General

  • Target

    597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe

  • Size

    870KB

  • MD5

    8e0f0d6ce2acc6bdd10d1e6097fed7cd

  • SHA1

    af027cfb14102d8d3499d06174249aa9fa00a482

  • SHA256

    597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff

  • SHA512

    7cce48dc63adfc7fcd9788e5f06be8476fb359e5f9589b1c50c0ffc32711772278a4042c3dffb26f02698d6c9926bf6c8fb9e8dc0a25141248bae7c20fe3c5e4

  • SSDEEP

    12288:wTrfg0A/q2p8E+AaITszZSmAhg22CwSGNPQceWa3VyEjyeBvoJzmZ7i3l4tCS:C7gMXEIdA1wSGNMWa3VzBpauW3lF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    11035517QWEiop@#$

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 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 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe
    "C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe
      "C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3112
  • 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 --mojo-platform-channel-handle=4164 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:732

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2240-12-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/2240-1-0x0000000000680000-0x0000000000760000-memory.dmp

            Filesize

            896KB

          • memory/2240-2-0x00000000050B0000-0x000000000511E000-memory.dmp

            Filesize

            440KB

          • memory/2240-3-0x00000000058F0000-0x0000000005E94000-memory.dmp

            Filesize

            5.6MB

          • memory/2240-4-0x0000000005230000-0x00000000052C2000-memory.dmp

            Filesize

            584KB

          • memory/2240-5-0x00000000053E0000-0x000000000547C000-memory.dmp

            Filesize

            624KB

          • memory/2240-6-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/2240-7-0x0000000005200000-0x0000000005208000-memory.dmp

            Filesize

            32KB

          • memory/2240-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

            Filesize

            4KB

          • memory/3112-9-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/3112-10-0x0000000000530000-0x0000000000570000-memory.dmp

            Filesize

            256KB

          • memory/3112-13-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/3112-14-0x0000000004B90000-0x0000000004BF6000-memory.dmp

            Filesize

            408KB

          • memory/3112-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/3112-16-0x0000000074C10000-0x00000000753C0000-memory.dmp

            Filesize

            7.7MB

          • memory/3112-17-0x0000000005990000-0x00000000059E0000-memory.dmp

            Filesize

            320KB

          • memory/3112-18-0x0000000005FF0000-0x0000000005FFA000-memory.dmp

            Filesize

            40KB