Analysis

  • max time kernel
    102s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    22-07-2021 12:10

General

  • Target

    Swift-pdf.exe

  • Size

    13KB

  • MD5

    81afa08f1a1acfa3fd9f52ecadda2f55

  • SHA1

    dd5d7f7638848ef8ae9d682d821a003b00bba6af

  • SHA256

    de49258994a651e41ea2b519ae39eb815b8d26cb3097fab2dd0e1ee5c9ea37b1

  • SHA512

    1b68179d972ba84cd692823be1e3745e377155a73c335f317bd32ec96a3b3e038c2fc76c8a72ac4ce180fc120f295d23c52b22c18271fafebcdfa1ce83b7e2bc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pss.net.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AnisAhmed1980

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift-pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1580-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1580-64-0x000000000043749E-mapping.dmp
  • memory/1580-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1580-67-0x00000000003B0000-0x00000000003B1000-memory.dmp
    Filesize

    4KB

  • memory/1580-68-0x00000000003B1000-0x00000000003B2000-memory.dmp
    Filesize

    4KB

  • memory/1636-59-0x00000000012F0000-0x00000000012F1000-memory.dmp
    Filesize

    4KB

  • memory/1636-61-0x0000000000D50000-0x0000000000D51000-memory.dmp
    Filesize

    4KB

  • memory/1636-62-0x00000000004F0000-0x00000000004F9000-memory.dmp
    Filesize

    36KB