Analysis

  • max time kernel
    117s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:11

General

  • Target

    3454345665432_PDF.exe

  • Size

    453KB

  • MD5

    b6ad45078bf162c1023f1abe6f5c2ee6

  • SHA1

    24986c2c848710286f23dfbadffeb4cd5eda6648

  • SHA256

    51161728627b1ccdf0ad9b9228e0d0e1bdaecb11530c53dcc10df9f31ec2255f

  • SHA512

    929c2f81fc088dda6107892e7871653ce1b3f300f63a3e761791697e6e3b3e5f715e9b1357d6b6c71476d0c6bac063a80c826eae4453b1ee700fec4e64609cbf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sample12

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sample12

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Users\Admin\AppData\Local\Temp\3454345665432_PDF.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3454345665432_PDF.exe.log

    Filesize

    412B

    MD5

    ad1c7f6525cfeb54c0487efd38b0e26c

    SHA1

    ed3da94723ac7e3828a9e93d68418bb810592f3b

    SHA256

    0a534a3d0fa82e6a427164c5f6e702cac7e4afc9967af9bc5ddba4f84ab33276

    SHA512

    48d625e6be5391d91d95c2850226fe39bb2411cb72139797699cfe126e6b066182e83950a8ea67e63b64a66b0d45f58d8bc97cab0363d55c2fd88c0d1d28009c

  • memory/2944-133-0x0000000000000000-mapping.dmp

  • memory/2944-134-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/2944-136-0x0000000005D10000-0x00000000062B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2944-137-0x0000000006700000-0x0000000006766000-memory.dmp

    Filesize

    408KB

  • memory/2944-138-0x0000000006E30000-0x0000000006E80000-memory.dmp

    Filesize

    320KB

  • memory/2944-139-0x0000000007080000-0x000000000708A000-memory.dmp

    Filesize

    40KB

  • memory/5108-130-0x0000000000FA0000-0x0000000001018000-memory.dmp

    Filesize

    480KB

  • memory/5108-131-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

    Filesize

    624KB

  • memory/5108-132-0x0000000005E10000-0x0000000005EA2000-memory.dmp

    Filesize

    584KB