Analysis

  • max time kernel
    138s
  • max time network
    146s
  • 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 07:38

General

  • Target

    DHL 4677182934.exe

  • Size

    674KB

  • MD5

    5084f6c583817a41cebc8e357e326361

  • SHA1

    d300ae2fb6975844b9fd7982c79d44e5d2ce7aae

  • SHA256

    1303d203cfc26e3fef79e3a61221b376cf88a2fbbb18a16acc4701a27f8fb880

  • SHA512

    2270bf1aa6873e8ced63851952f6f54fe90efd24f3ad78e5d04376ae10a18134277766312788c95cc374630c524564bceb4329ff2113a54a99296ca3678a83c4

  • SSDEEP

    12288:onq0Qlxc9hUxXCFY9LtaqwzDNzH7QpY2JjfEUBueH5q:o5QqixXqsLtaqGDtb+Npf5Pq

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.cesky-hosting.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Luk7816&

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe"
      2⤵
        PID:1368
      • C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL 4677182934.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL 4677182934.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2796-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2796-20-0x0000000004F30000-0x0000000004F40000-memory.dmp

      Filesize

      64KB

    • memory/2796-19-0x0000000074EC0000-0x0000000075670000-memory.dmp

      Filesize

      7.7MB

    • memory/2796-18-0x0000000005E60000-0x0000000005EB0000-memory.dmp

      Filesize

      320KB

    • memory/2796-17-0x0000000004F40000-0x0000000004FA6000-memory.dmp

      Filesize

      408KB

    • memory/2796-16-0x0000000004F30000-0x0000000004F40000-memory.dmp

      Filesize

      64KB

    • memory/2796-14-0x0000000074EC0000-0x0000000075670000-memory.dmp

      Filesize

      7.7MB

    • memory/3900-5-0x0000000005240000-0x000000000524A000-memory.dmp

      Filesize

      40KB

    • memory/3900-9-0x00000000067A0000-0x000000000681A000-memory.dmp

      Filesize

      488KB

    • memory/3900-10-0x000000000A640000-0x000000000A6DC000-memory.dmp

      Filesize

      624KB

    • memory/3900-8-0x00000000064F0000-0x00000000064FA000-memory.dmp

      Filesize

      40KB

    • memory/3900-7-0x00000000064E0000-0x00000000064E8000-memory.dmp

      Filesize

      32KB

    • memory/3900-15-0x0000000074EC0000-0x0000000075670000-memory.dmp

      Filesize

      7.7MB

    • memory/3900-6-0x0000000007F30000-0x0000000007F4A000-memory.dmp

      Filesize

      104KB

    • memory/3900-0-0x0000000074EC0000-0x0000000075670000-memory.dmp

      Filesize

      7.7MB

    • memory/3900-4-0x0000000005410000-0x0000000005420000-memory.dmp

      Filesize

      64KB

    • memory/3900-3-0x00000000051A0000-0x0000000005232000-memory.dmp

      Filesize

      584KB

    • memory/3900-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

      Filesize

      5.6MB

    • memory/3900-1-0x0000000000700000-0x00000000007AE000-memory.dmp

      Filesize

      696KB