Analysis

  • max time kernel
    131s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    20-10-2021 12:35

General

  • Target

    Request_009_887_112_998_777_879.exe

  • Size

    430KB

  • MD5

    38fbd4445e816126a0c9e89c7599db66

  • SHA1

    7afc72c4b8d115584fa414db680a5bab59800874

  • SHA256

    8fadb4f26f66b5d6892f6fec0165feb246165af1d43f1a87881169c716da742e

  • SHA512

    b6b3128315217e5f9f9ce11b2efc4807b087c03618ebc78e721722d1cbf8b18a4ff35697c003c09ce6fea8db4b099b4f54b8036eb084a0cb49ce1d2c96e4170a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.medtec-germany.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vfPjbzH2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request_009_887_112_998_777_879.exe
    "C:\Users\Admin\AppData\Local\Temp\Request_009_887_112_998_777_879.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:472

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/472-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-64-0x0000000000436C6E-mapping.dmp
  • memory/472-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/472-67-0x0000000004A40000-0x0000000004A41000-memory.dmp
    Filesize

    4KB

  • memory/1368-55-0x00000000768C1000-0x00000000768C3000-memory.dmp
    Filesize

    8KB

  • memory/1368-56-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB

  • memory/1368-57-0x0000000000630000-0x0000000000637000-memory.dmp
    Filesize

    28KB

  • memory/1368-58-0x0000000004BE0000-0x0000000004C37000-memory.dmp
    Filesize

    348KB

  • memory/1368-53-0x0000000000810000-0x0000000000811000-memory.dmp
    Filesize

    4KB