Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 09:40

General

  • Target

    MTM TBA VSL's DETAILS.pdf.scr

  • Size

    843KB

  • MD5

    6e075d09953e877c0ca9a98ac749dff2

  • SHA1

    a3dc16d79e5487c622c30545a47ac504573e9ea8

  • SHA256

    50ef75bd66c4bb9ce6001a41b53c0925e98eaed9b94b7125543ffecc0d4ace82

  • SHA512

    67bb4c0e98751650b4d170dc30d110c035b4115952fda1b725ff73290675d712b9947e79f7f424df2b2e9a40d9bddbbe33bbc1147552c99ee0c0da8cc3a0d550

  • SSDEEP

    24576:3MYeLSN5iFoayUfVtUv6LPg/Vv82DFF4:3MYeGN5iFZyMNzg/2wFF4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

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

  • 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\MTM TBA VSL's DETAILS.pdf.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2236-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2236-1-0x0000000001080000-0x0000000001158000-memory.dmp

    Filesize

    864KB

  • memory/2236-2-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2236-3-0x0000000000AA0000-0x0000000000AB6000-memory.dmp

    Filesize

    88KB

  • memory/2236-4-0x0000000000CA0000-0x0000000000CAE000-memory.dmp

    Filesize

    56KB

  • memory/2236-5-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

    Filesize

    64KB

  • memory/2236-6-0x00000000052E0000-0x0000000005362000-memory.dmp

    Filesize

    520KB

  • memory/2236-20-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2380-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2380-22-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-21-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-23-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB