Analysis

  • max time kernel
    100s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 18:19

General

  • Target

    e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe

  • Size

    812KB

  • MD5

    73c4d511b769f0869c87b5d4621f2a81

  • SHA1

    a8928f94fc09b95a019ca5cc4a7f3c0f89966684

  • SHA256

    e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74

  • SHA512

    9d886ebccc71c4e060fafdcf2d736fea2ec391495935c20fa5542f2fb7ec045587cbe25f408f239be7616c6b027e7590ee5ee121306952514ed6e0586f39d8d4

  • SSDEEP

    24576:/34/up+pJBv8nNX2ohpy+1AphoGJLYQgll7Bq:/38PJ2NziyAphoGxYZl

Malware Config

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe
    "C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe
      "C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe"
      2⤵
        PID:4680
      • C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe
        "C:\Users\Admin\AppData\Local\Temp\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e71a07f99b82d89d7dcd21041055ec628b6c8855af5f44f954354dee5fa6fb74exe.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2276-10-0x0000000006220000-0x00000000062BC000-memory.dmp

      Filesize

      624KB

    • memory/2276-14-0x0000000075270000-0x0000000075A20000-memory.dmp

      Filesize

      7.7MB

    • memory/2276-9-0x00000000065C0000-0x000000000663A000-memory.dmp

      Filesize

      488KB

    • memory/2276-4-0x00000000050F0000-0x0000000005100000-memory.dmp

      Filesize

      64KB

    • memory/2276-5-0x0000000004F90000-0x0000000004F9A000-memory.dmp

      Filesize

      40KB

    • memory/2276-6-0x00000000052F0000-0x0000000005308000-memory.dmp

      Filesize

      96KB

    • memory/2276-7-0x0000000005340000-0x0000000005348000-memory.dmp

      Filesize

      32KB

    • memory/2276-8-0x0000000005350000-0x000000000535A000-memory.dmp

      Filesize

      40KB

    • memory/2276-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

      Filesize

      584KB

    • memory/2276-2-0x00000000053A0000-0x0000000005944000-memory.dmp

      Filesize

      5.6MB

    • memory/2276-1-0x0000000075270000-0x0000000075A20000-memory.dmp

      Filesize

      7.7MB

    • memory/2276-0-0x0000000000420000-0x00000000004F2000-memory.dmp

      Filesize

      840KB

    • memory/4652-20-0x00000000058D0000-0x00000000058E0000-memory.dmp

      Filesize

      64KB

    • memory/4652-16-0x0000000075270000-0x0000000075A20000-memory.dmp

      Filesize

      7.7MB

    • memory/4652-15-0x0000000005BA0000-0x0000000005C06000-memory.dmp

      Filesize

      408KB

    • memory/4652-17-0x00000000058D0000-0x00000000058E0000-memory.dmp

      Filesize

      64KB

    • memory/4652-18-0x00000000072B0000-0x0000000007300000-memory.dmp

      Filesize

      320KB

    • memory/4652-19-0x0000000075270000-0x0000000075A20000-memory.dmp

      Filesize

      7.7MB

    • memory/4652-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB