Analysis

  • max time kernel
    85s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 03:33

General

  • Target

    SecuriteInfo.com.Trojan.Olock.1.25787.exe

  • Size

    628KB

  • MD5

    648001a85b52b76357700adc26c026a5

  • SHA1

    ea6c087ad34687241fd61292636d8deb95ce8e0f

  • SHA256

    64078097de1ac1a9837f2315e1e5cb638a2cc12c538bb56e515376375613d15c

  • SHA512

    eda310d7dc80abae8943d3209d82e675789980900c38e5d6ad813a4df4c7ec2014ed5f781a77e176b9961b57d66edee3e1c67ee80ab25f0ff6b8683952691be1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.albatrosplus.rs
  • Port:
    587
  • Username:
    radmila.milinkovic@albatrosplus.rs
  • Password:
    rasarada11

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.albatrosplus.rs
  • Port:
    587
  • Username:
    radmila.milinkovic@albatrosplus.rs
  • Password:
    rasarada11
  • Email To:
    auto.glass.metal@dr.com

Signatures

  • AgentTesla

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

  • suricata: ET MALWARE AgentTesla Exfil Via SMTP

    suricata: ET MALWARE AgentTesla Exfil Via SMTP

  • 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 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\SecuriteInfo.com.Trojan.Olock.1.25787.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.25787.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:308
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.25787.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.25787.exe"
      2⤵
        PID:1996
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.25787.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Olock.1.25787.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2000

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/308-54-0x0000000000310000-0x00000000003B4000-memory.dmp
      Filesize

      656KB

    • memory/308-55-0x0000000075591000-0x0000000075593000-memory.dmp
      Filesize

      8KB

    • memory/308-56-0x00000000002F0000-0x0000000000306000-memory.dmp
      Filesize

      88KB

    • memory/308-57-0x00000000003C0000-0x00000000003CA000-memory.dmp
      Filesize

      40KB

    • memory/308-58-0x0000000005540000-0x00000000055C8000-memory.dmp
      Filesize

      544KB

    • memory/308-59-0x0000000001E90000-0x0000000001ECC000-memory.dmp
      Filesize

      240KB

    • memory/2000-60-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-61-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-64-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-63-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-65-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-66-0x0000000000435C0E-mapping.dmp
    • memory/2000-70-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB

    • memory/2000-68-0x0000000000400000-0x000000000043A000-memory.dmp
      Filesize

      232KB