Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 10:15

General

  • Target

    NEAS.73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe

  • Size

    674KB

  • MD5

    90842fb1307b60fef589421dbecf0670

  • SHA1

    b1b60231e3d1eadd2ad214b22e915b91fe88e72a

  • SHA256

    73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0

  • SHA512

    5cd0020157289e8b5a47be2467c7376abff50280dc86a77d34f60967dd9c836ab5529d71f021800f644829616cb744f513e533e62a721c4eae550f93711184e5

  • SSDEEP

    12288:jCEbJGICDVhbbdSRzoL0bVXQ7cJcl8qIWq+n5zHWLIIircpuaN:DbJ4bIzI0BX0OcbhHWcA

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 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\NEAS.73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\NEAS.73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-23-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-25-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-26-0x0000000004940000-0x0000000004980000-memory.dmp

    Filesize

    256KB

  • memory/2112-24-0x0000000004940000-0x0000000004980000-memory.dmp

    Filesize

    256KB

  • memory/2112-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2112-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-6-0x00000000052B0000-0x000000000532A000-memory.dmp

    Filesize

    488KB

  • memory/2880-2-0x0000000004DC0000-0x0000000004E00000-memory.dmp

    Filesize

    256KB

  • memory/2880-5-0x0000000000500000-0x000000000050A000-memory.dmp

    Filesize

    40KB

  • memory/2880-3-0x00000000003C0000-0x00000000003D6000-memory.dmp

    Filesize

    88KB

  • memory/2880-22-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

    Filesize

    32KB

  • memory/2880-0-0x0000000000FE0000-0x000000000108E000-memory.dmp

    Filesize

    696KB

  • memory/2880-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

    Filesize

    6.9MB