Overview

overview

10

Static

static

5

a948c3fb25...ac.exe

windows7_x64

1

a948c3fb25...ac.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:35

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General

  • Target

    a948c3fb252ee14db710de435d1dc5f88d0923e6e4eb20fade67aaf5e2e425ac.exe

  • Size

    1.4MB

  • MD5

    eca512d5289783f13b346958c0bca5d9

  • SHA1

    061f5375c5edd832c9d6e9dcfa0a8733e1295dd0

  • SHA256

    a948c3fb252ee14db710de435d1dc5f88d0923e6e4eb20fade67aaf5e2e425ac

  • SHA512

    20dc0f2ef11432cf63350b182f01c668d206a583473643932e4d2656f8f9f1932385bf14abed862e26ccb3f3919a703aeb562cea4d490cd877ed052d88c307f7

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chisom6474

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a948c3fb252ee14db710de435d1dc5f88d0923e6e4eb20fade67aaf5e2e425ac.exe
    "C:\Users\Admin\AppData\Local\Temp\a948c3fb252ee14db710de435d1dc5f88d0923e6e4eb20fade67aaf5e2e425ac.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\a948c3fb252ee14db710de435d1dc5f88d0923e6e4eb20fade67aaf5e2e425ac.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Windows\SysWOW64\timeout.exe
        TimeOut 1
        3⤵
        • Delays execution with timeout.exe
        PID:2748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2748-137-0x0000000000000000-mapping.dmp
    Download
  • memory/3124-130-0x0000000003AD0000-0x0000000003B5E000-memory.dmp
    Filesize

    568KB

    Download
  • memory/3124-131-0x0000000004870000-0x00000000048FE000-memory.dmp
    Filesize

    568KB

    Download
  • memory/3188-132-0x0000000000000000-mapping.dmp
    Download
  • memory/3188-133-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3188-134-0x0000000005B70000-0x0000000006114000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3188-136-0x0000000005340000-0x00000000053D2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3188-138-0x0000000005660000-0x00000000056FC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3188-139-0x0000000006120000-0x0000000006186000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3188-140-0x0000000006380000-0x000000000638A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4568-135-0x0000000000000000-mapping.dmp
    Download