Analysis

  • max time kernel
    60s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2023 17:48

General

  • Target

    Comprobante de pago. Exp. 9815.pdf.exe

  • Size

    660KB

  • MD5

    9b8e62ddf53e9cf4241f4daaffbb3bc7

  • SHA1

    5cde783dde5b28eaa1e11743d96dd6afbe1af00d

  • SHA256

    281335ba31210104a69c9c924456bb3639403710ccc5eda4d92f9e11a11bc993

  • SHA512

    d5cb4bfe1cee7bbc9d202f711c4c7c27dc4736088a6588765dd65ab4159b77955ee07551ca02272466e45de80484a1aa3b0aa5312cc1739021fe227556739b86

  • SSDEEP

    12288:8mR8Qscw6WcNLAO1TFJxiTQDKAqfGc59k4HvBcrmChz2s:9scvwO1p2QcfTLR+yCP

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Comprobante de pago. Exp. 9815.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Comprobante de pago. Exp. 9815.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Users\Admin\AppData\Local\Temp\Comprobante de pago. Exp. 9815.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Comprobante de pago. Exp. 9815.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1760-54-0x00000000012C0000-0x000000000136C000-memory.dmp

    Filesize

    688KB

  • memory/1760-55-0x00000000006F0000-0x0000000000730000-memory.dmp

    Filesize

    256KB

  • memory/1760-56-0x00000000004E0000-0x00000000004EC000-memory.dmp

    Filesize

    48KB

  • memory/1760-57-0x00000000006F0000-0x0000000000730000-memory.dmp

    Filesize

    256KB

  • memory/1760-58-0x00000000005C0000-0x00000000005CC000-memory.dmp

    Filesize

    48KB

  • memory/1760-59-0x00000000050B0000-0x000000000511A000-memory.dmp

    Filesize

    424KB

  • memory/1904-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1904-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1904-70-0x0000000004830000-0x0000000004870000-memory.dmp

    Filesize

    256KB

  • memory/1904-71-0x0000000004830000-0x0000000004870000-memory.dmp

    Filesize

    256KB