Analysis

  • max time kernel
    142s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2023 08:02

General

  • Target

    42b73a725880a41150450f53c681a9e1.exe

  • Size

    1.2MB

  • MD5

    42b73a725880a41150450f53c681a9e1

  • SHA1

    0fae6a0ac549aafcf6b9a203bca639aaec91e9ad

  • SHA256

    bc282c69e6f9c69b93651c0d399318577b6f9494c0b851eadb4a5b44bfef1262

  • SHA512

    76d157197995cea2fd7a0e340801762eed95e30c1e199d940de62546306a7cb6f0267cb6d37bff6d32b739ee5c643031f9e9ed748463d07e3f6cbb35ea94f0f5

  • SSDEEP

    12288:wmMOEAlI3MzSSV93ZCHcuB6XmKbxN4dAyIW6TmLmEfQ+DXtvb7sGpHXzFTg:w1YdSSI8sKsApmLyiXtvU+3zd

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 use of AdjustPrivilegeToken 1 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\42b73a725880a41150450f53c681a9e1.exe
    "C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe
      "C:\Users\Admin\AppData\Local\Temp\42b73a725880a41150450f53c681a9e1.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\42b73a725880a41150450f53c681a9e1.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1288-139-0x0000000006470000-0x000000000650C000-memory.dmp

    Filesize

    624KB

  • memory/1288-135-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/1288-136-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB

  • memory/1288-137-0x00000000054C0000-0x00000000054CA000-memory.dmp

    Filesize

    40KB

  • memory/1288-138-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB

  • memory/1288-133-0x0000000000B20000-0x0000000000C54000-memory.dmp

    Filesize

    1.2MB

  • memory/1288-134-0x0000000005B90000-0x0000000006134000-memory.dmp

    Filesize

    5.6MB

  • memory/4680-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4680-143-0x0000000005030000-0x0000000005096000-memory.dmp

    Filesize

    408KB

  • memory/4680-144-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB

  • memory/4680-145-0x0000000006480000-0x00000000064D0000-memory.dmp

    Filesize

    320KB

  • memory/4680-146-0x0000000006770000-0x0000000006932000-memory.dmp

    Filesize

    1.8MB

  • memory/4680-153-0x00000000052C0000-0x00000000052D0000-memory.dmp

    Filesize

    64KB