Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 14:38

General

  • Target

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe

  • Size

    632KB

  • MD5

    c63dab0a1163027cac6eff536c53674e

  • SHA1

    9f69d979ce999a9e00dc7c3fcf340f5bba2d26f8

  • SHA256

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc

  • SHA512

    bbf9b5523b4846a2eec80553cf50ba45c2fe7271e392d87ab702af37956eb215602514dc40c3b8dbd53bc96618ec21cc4563a55f755272950563ea321b28c4a5

  • SSDEEP

    12288:oVMcthmJ9kd5oQSjEt7RrKFgk5KNaQTgXp/8cUDE3hhsZSAFnSs:A5Z1FKFgk5lQTGp/IExqS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mtsfashionltd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7D!0DIc!$iLP

Extracted

Family

agenttesla

Credentials

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
    "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
      "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
      2⤵
        PID:1792
      • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
        "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2056-8-0x0000000006310000-0x000000000638C000-memory.dmp

      Filesize

      496KB

    • memory/2056-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

      Filesize

      584KB

    • memory/2056-9-0x0000000008950000-0x00000000089EC000-memory.dmp

      Filesize

      624KB

    • memory/2056-1-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2056-5-0x0000000004D50000-0x0000000004D5A000-memory.dmp

      Filesize

      40KB

    • memory/2056-6-0x0000000004E30000-0x0000000004E46000-memory.dmp

      Filesize

      88KB

    • memory/2056-7-0x0000000005370000-0x000000000537A000-memory.dmp

      Filesize

      40KB

    • memory/2056-0-0x0000000000210000-0x00000000002B4000-memory.dmp

      Filesize

      656KB

    • memory/2056-13-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/2056-2-0x0000000005380000-0x0000000005924000-memory.dmp

      Filesize

      5.6MB

    • memory/2056-4-0x0000000004E60000-0x0000000004E70000-memory.dmp

      Filesize

      64KB

    • memory/3572-14-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3572-19-0x00000000050E0000-0x00000000050F0000-memory.dmp

      Filesize

      64KB

    • memory/3572-15-0x00000000050E0000-0x00000000050F0000-memory.dmp

      Filesize

      64KB

    • memory/3572-16-0x0000000004E70000-0x0000000004ED6000-memory.dmp

      Filesize

      408KB

    • memory/3572-17-0x0000000006510000-0x0000000006560000-memory.dmp

      Filesize

      320KB

    • memory/3572-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/3572-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB