Analysis

  • max time kernel
    85s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 10:02

General

  • Target

    Inquiry 0024516-Huchtemeier Paper.exe

  • Size

    549KB

  • MD5

    0cf58232060622e75557648365b66f98

  • SHA1

    dee140ca63a93a1714058cedf212acbd26e587d0

  • SHA256

    ec518486f02ccc44c435abe618811a42feaceb87717df966336fb2e8509c2d68

  • SHA512

    a0b8b2ef65a308f2f9309352a90f76dc4e150eb5b774426c801bfd6e86a99a6ea05061bac5c31d147e33aba4d3548f3c6d763a0e46b452a3d852f0738d42f284

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    amblessed22

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry 0024516-Huchtemeier Paper.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry 0024516-Huchtemeier Paper.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Users\Admin\AppData\Local\Temp\Inquiry 0024516-Huchtemeier Paper.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1012-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1432-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1432-3-0x0000000000446DDE-mapping.dmp

  • memory/1432-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1432-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB