Overview

overview

10

Static

static

PO 300720-FMB.scr

windows7_x64

10

PO 300720-FMB.scr

windows10-2004_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:07

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General

  • Target

    PO 300720-FMB.scr

  • Size

    639KB

  • MD5

    a51b0e45f72d4a6249912da6538c6e2c

  • SHA1

    c72bdfdbef4a47f1028d405a3a40513a257e3092

  • SHA256

    a1e30a2a09896194a7b457401dd3a9b405b53aeea17a21ca6b99b2e8da5e2876

  • SHA512

    4b365b0e1cd0adbbc0c5a2ac0069c8576b4286e019f659f4a85530bd149b3b2fab0f955d753ad978c5223c56f76a996abcde78db60f6eb1c2e097fad1266095c

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.nsmelectronics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Bsuagwu@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 300720-FMB.scr
    "C:\Users\Admin\AppData\Local\Temp\PO 300720-FMB.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE782.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2032
    • C:\Users\Admin\AppData\Local\Temp\PO 300720-FMB.scr
      "C:\Users\Admin\AppData\Local\Temp\PO 300720-FMB.scr"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE782.tmp
    Filesize

    1KB

    MD5

    c5e5a486021e6137551a468cae265a0f

    SHA1

    3f6695a9cb933ec75a064cd18dbb6fb5e8e9ac75

    SHA256

    bfce6d0113e09a260e399ae12b7620c7ac495ca8fedf8093a50b9e55b687bf02

    SHA512

    5947c65bbf87b30f7213aae37c024c8645c4499531846a4fd8318e854a357a1dca928080b481626c2c1606b9e8ebdafd88dd1830e09a11fc5aeb8bc057b028cf

    Download Submit
  • memory/1036-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-71-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-67-0x000000000044761E-mapping.dmp
    Download
  • memory/1036-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1036-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1692-54-0x0000000000A80000-0x0000000000B26000-memory.dmp
    Filesize

    664KB

    Download
  • memory/1692-55-0x00000000763E1000-0x00000000763E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1692-56-0x0000000000280000-0x000000000028A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1692-58-0x0000000004B90000-0x0000000004BDE000-memory.dmp
    Filesize

    312KB

    Download
  • memory/1692-57-0x0000000006E40000-0x0000000006EA6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2032-59-0x0000000000000000-mapping.dmp
    Download