Analysis

  • max time kernel
    101s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:59

General

  • Target

    PO INOXIA-2020082.exe

  • Size

    424KB

  • MD5

    ff4ff46409c73358cc11865f5ac36171

  • SHA1

    58864703ce881498d78da64cc39510f0eec72927

  • SHA256

    eddcda48d1058487f653995ae77469d407cd02a7b2bf9d6059a61ddeeaa83f70

  • SHA512

    88a6df6bb13cdaac34ffebc7a10a5bf371d25cbf75a2c5206d87cfbbfdea1c16b179f1c98f4eea52ccac914927e508fc4a904ca714cb24c87fc06e1302de2522

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ALIbaba123

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ALIbaba123

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO INOXIA-2020082.exe
    "C:\Users\Admin\AppData\Local\Temp\PO INOXIA-2020082.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\PO INOXIA-2020082.exe
      "C:\Users\Admin\AppData\Local\Temp\PO INOXIA-2020082.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO INOXIA-2020082.exe.log

    Filesize

    1KB

    MD5

    fc13935f3038bdde6cb484249fbff668

    SHA1

    a4c32013e6d59bf1eb1a5119456965de191e62b8

    SHA256

    de064c569a5f4edaf2da91d7bcb82bab06a35190b699cede1da0aa616a23d676

    SHA512

    5817275af0f8a48eb1e008d39f62fb3582db9a2d21a806e9f9ee36fbfd799fb17e91f0e3686f4b236724fe78f14ae7f40cd3755f0ec0fb6734ce42f996b798f7

  • memory/1888-133-0x0000000000000000-mapping.dmp

  • memory/1888-134-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1888-136-0x0000000005450000-0x00000000054EC000-memory.dmp

    Filesize

    624KB

  • memory/1888-137-0x0000000006080000-0x00000000060E6000-memory.dmp

    Filesize

    408KB

  • memory/1888-138-0x0000000006860000-0x00000000068B0000-memory.dmp

    Filesize

    320KB

  • memory/1888-139-0x0000000006B80000-0x0000000006B8A000-memory.dmp

    Filesize

    40KB

  • memory/1964-130-0x00000000004A0000-0x000000000050E000-memory.dmp

    Filesize

    440KB

  • memory/1964-131-0x0000000005B40000-0x00000000060E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1964-132-0x0000000005690000-0x0000000005722000-memory.dmp

    Filesize

    584KB