Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 01:51

General

  • Target

    a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe

  • Size

    947KB

  • MD5

    7beac55899bd1f7e14a469fc9b0a8275

  • SHA1

    34dafd006220d7171e1a309d95a03fea3108a2a4

  • SHA256

    a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391

  • SHA512

    1b520eef15fc39d9812ea2fdf0ccd9f7e6350d069f4c7b5a66cd545d4b3c59a1effe2f2b425e197f6e472cdbb53eb3f8b276864ee6a7f071b9d5f83bfeadfc4b

  • SSDEEP

    12288:+UF9WMj0xuWMEzhIJPWGdZbPawTMfxfZ55q0PGtwwRgv0fT8KKyEbQrmISuOGn47:+U2MoxuCePTI1PGrRgv0fT8KSbQLln4

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7173542647:AAHOyS2Kb1SstUYRJkNEAZvsdUrvEvsz7dU/

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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe
    "C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe
      "C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe"
      2⤵
        PID:964
      • C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe
        "C:\Users\Admin\AppData\Local\Temp\a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3692
    • 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=3736 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2580

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3692-14-0x0000000000400000-0x0000000000442000-memory.dmp
        Filesize

        264KB

      • memory/3692-22-0x0000000005340000-0x0000000005350000-memory.dmp
        Filesize

        64KB

      • memory/3692-21-0x0000000074F00000-0x00000000756B0000-memory.dmp
        Filesize

        7.7MB

      • memory/3692-20-0x0000000006880000-0x00000000068D0000-memory.dmp
        Filesize

        320KB

      • memory/3692-19-0x0000000005350000-0x00000000053B6000-memory.dmp
        Filesize

        408KB

      • memory/3692-17-0x0000000005340000-0x0000000005350000-memory.dmp
        Filesize

        64KB

      • memory/3692-16-0x0000000074F00000-0x00000000756B0000-memory.dmp
        Filesize

        7.7MB

      • memory/4244-5-0x0000000005B40000-0x0000000005B50000-memory.dmp
        Filesize

        64KB

      • memory/4244-7-0x00000000085B0000-0x00000000085C8000-memory.dmp
        Filesize

        96KB

      • memory/4244-9-0x00000000085F0000-0x0000000008604000-memory.dmp
        Filesize

        80KB

      • memory/4244-10-0x0000000003210000-0x0000000003294000-memory.dmp
        Filesize

        528KB

      • memory/4244-11-0x000000000AD90000-0x000000000AE2C000-memory.dmp
        Filesize

        624KB

      • memory/4244-12-0x0000000074F00000-0x00000000756B0000-memory.dmp
        Filesize

        7.7MB

      • memory/4244-13-0x0000000005B40000-0x0000000005B50000-memory.dmp
        Filesize

        64KB

      • memory/4244-8-0x00000000085E0000-0x00000000085EE000-memory.dmp
        Filesize

        56KB

      • memory/4244-6-0x0000000005B20000-0x0000000005B2A000-memory.dmp
        Filesize

        40KB

      • memory/4244-0-0x0000000074F00000-0x00000000756B0000-memory.dmp
        Filesize

        7.7MB

      • memory/4244-4-0x0000000005B50000-0x0000000005EA4000-memory.dmp
        Filesize

        3.3MB

      • memory/4244-18-0x0000000074F00000-0x00000000756B0000-memory.dmp
        Filesize

        7.7MB

      • memory/4244-3-0x0000000005920000-0x00000000059B2000-memory.dmp
        Filesize

        584KB

      • memory/4244-2-0x0000000005F80000-0x0000000006524000-memory.dmp
        Filesize

        5.6MB

      • memory/4244-1-0x0000000000E50000-0x0000000000F42000-memory.dmp
        Filesize

        968KB