Analysis

  • max time kernel
    139s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:18

General

  • Target

    New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe

  • Size

    675KB

  • MD5

    f1ef93c5b492d3550b37c226159d0aed

  • SHA1

    410d4236e2f6d6cdea36a50ee13687d7938fdd5d

  • SHA256

    d1b9f876eb33669ae68b5e7b0ac255044390ae1f66e748388c15da65f53c99d5

  • SHA512

    a844e6ac7fe8b7adc66f8b1b842c642fdc9fd34587b208ad50a699ca964d7f97318a8bee9e0ee610e80be90ddc4269bbfd6e1f368a19ad92a802d9dddd6c1dd2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rosemary0101

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe"
      2⤵
        PID:1280
      • C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\New-PO-0956760-NO-01-08-18-20-Order-Quote,pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:624

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/560-54-0x0000000000890000-0x0000000000940000-memory.dmp

      Filesize

      704KB

    • memory/560-55-0x0000000075761000-0x0000000075763000-memory.dmp

      Filesize

      8KB

    • memory/560-56-0x0000000000580000-0x0000000000588000-memory.dmp

      Filesize

      32KB

    • memory/560-57-0x0000000005320000-0x00000000053B2000-memory.dmp

      Filesize

      584KB

    • memory/560-58-0x0000000004A10000-0x0000000004A7A000-memory.dmp

      Filesize

      424KB

    • memory/624-59-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-60-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-62-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-63-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-64-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-65-0x00000000004546CE-mapping.dmp

    • memory/624-67-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/624-69-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB