Analysis

  • max time kernel
    175s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:57

General

  • Target

    fb2460989cde8797df96db870647fedb.exe

  • Size

    886KB

  • MD5

    fb2460989cde8797df96db870647fedb

  • SHA1

    b50a57ca9f6f71ef56687f6ca801ba3f81ffc14f

  • SHA256

    d56ba2672bfa8213ab455b55390a2aeedb764811d8c469c908cf74306083a176

  • SHA512

    d9e5a19139a61e64660b242e2703134c5b2fcdb00a576a668f821431e0c5b48e6d61801fa6b37935fc34438ac29bb500b73a3db586b4b1517e90934cb4f20728

  • SSDEEP

    12288:yBfrmZJbxpDFHnhzAMiVsp5Ei/IruoYWykNoaLC3am2na4qfzEkvDp1Q/aQTn9Go:yBz0hz8C/Ickqa2PD4qAqpMGdAWC

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5603599252:AAFMdBzOyqWZ9kTMnZ7mBvML6rVOBz2Xfdk/

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe
      "C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe"
      2⤵
        PID:344
      • C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe
        "C:\Users\Admin\AppData\Local\Temp\fb2460989cde8797df96db870647fedb.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:204

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb2460989cde8797df96db870647fedb.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/204-139-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/204-138-0x0000000000000000-mapping.dmp

    • memory/204-141-0x0000000006360000-0x00000000063C6000-memory.dmp

      Filesize

      408KB

    • memory/204-142-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

      Filesize

      320KB

    • memory/344-137-0x0000000000000000-mapping.dmp

    • memory/3080-132-0x00000000003A0000-0x0000000000484000-memory.dmp

      Filesize

      912KB

    • memory/3080-133-0x0000000005320000-0x00000000058C4000-memory.dmp

      Filesize

      5.6MB

    • memory/3080-134-0x0000000004E20000-0x0000000004EB2000-memory.dmp

      Filesize

      584KB

    • memory/3080-135-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

      Filesize

      40KB

    • memory/3080-136-0x0000000008C40000-0x0000000008CDC000-memory.dmp

      Filesize

      624KB