Analysis

  • max time kernel
    95s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 08:05

General

  • Target

    Payment Slip.exe

  • Size

    81KB

  • MD5

    6e93f7298beda239f60083a0c5425060

  • SHA1

    3eae538f716c7ef96ec27915d966e5ee8eb95f61

  • SHA256

    f3a8222b6462aafcc1d47fa1a1ca8972daf438b0d98666308958982307ab88fd

  • SHA512

    559cf0a364fb1e2fd6d40a0113d201e81f531c325aaf4ddb701b1343bfedb654ed7ab34a0eff07eeb5cde7e5cf674bf5cd0fabc55b3638b26e77cd8cf31c4a23

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.croatiahunt.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    VilaVrgade852

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Downloads MZ/PE file
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:760

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/760-63-0x000000000043765E-mapping.dmp

  • memory/760-58-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-59-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/760-66-0x00000000049C0000-0x00000000049C1000-memory.dmp

    Filesize

    4KB

  • memory/760-67-0x00000000049C1000-0x00000000049C2000-memory.dmp

    Filesize

    4KB

  • memory/1112-55-0x000000001AD60000-0x000000001AD62000-memory.dmp

    Filesize

    8KB

  • memory/1112-56-0x0000000000250000-0x0000000000252000-memory.dmp

    Filesize

    8KB

  • memory/1112-57-0x0000000000430000-0x0000000000441000-memory.dmp

    Filesize

    68KB

  • memory/1112-53-0x00000000011A0000-0x00000000011A1000-memory.dmp

    Filesize

    4KB