Analysis

  • max time kernel
    136s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:20

General

  • Target

    SHIPPING NOTE.exe

  • Size

    434KB

  • MD5

    7ad65b9ae0ffc06a5f9e17de1abdd3f1

  • SHA1

    c6100f2d3a7224771ee26bdd0bd9503fe17e0633

  • SHA256

    338fa24cfe17463b84e6667b9f64dd425e875b596a604bc28719ebc82deaab26

  • SHA512

    7e8b159c1f649c6d527f12f9b881cd821bd05f3e687ce43c1152e7b44bb62094c5909e826ad06103bc1a8c66bbe82e9a76d6d83f26975d58cf383565843eb5c3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pune@123

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pune@123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING NOTE.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING NOTE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING NOTE.exe
      "{path}"
      2⤵
        PID:4180
      • C:\Users\Admin\AppData\Local\Temp\SHIPPING NOTE.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1028

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SHIPPING NOTE.exe.log
      Filesize

      507B

      MD5

      ab4c71d3ff6255edd4e5c1e09540f49e

      SHA1

      22e06bf4e258741b5df918061871cba998c50cea

      SHA256

      1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

      SHA512

      8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

    • memory/1028-135-0x0000000000000000-mapping.dmp
    • memory/1028-136-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1028-138-0x0000000006380000-0x00000000063E6000-memory.dmp
      Filesize

      408KB

    • memory/1028-139-0x0000000006AA0000-0x0000000006AF0000-memory.dmp
      Filesize

      320KB

    • memory/1028-140-0x0000000006A30000-0x0000000006A3A000-memory.dmp
      Filesize

      40KB

    • memory/4180-134-0x0000000000000000-mapping.dmp
    • memory/4852-130-0x0000000000060000-0x00000000000D2000-memory.dmp
      Filesize

      456KB

    • memory/4852-131-0x0000000004A70000-0x0000000004B0C000-memory.dmp
      Filesize

      624KB

    • memory/4852-132-0x0000000004BB0000-0x0000000004C42000-memory.dmp
      Filesize

      584KB

    • memory/4852-133-0x0000000005970000-0x0000000005F14000-memory.dmp
      Filesize

      5.6MB