Overview

overview

10

Static

static

PO 300720-FMB.scr

windows7_x64

10

PO 300720-FMB.scr

windows10-2004_x64

10

Analysis

  • max time kernel
    116s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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
agentteslacollectionkeyloggerspywarestealersuricatatrojan

Malware Config

Extracted

Credentials

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

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
  • suricata: ET MALWARE AgentTesla Exfil Via SMTP

    suricata: ET MALWARE AgentTesla Exfil Via SMTP

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

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8240.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4792
    • 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:3752

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

Query Registry

1
T1012

System Information Discovery

2
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\Microsoft\CLR_v4.0_32\UsageLogs\PO 300720-FMB.scr.log
    Filesize

    1KB

    MD5

    e7473990edf901c1e1bef76f6095f55b

    SHA1

    f03b370492bbcc5280982886f9688eb8da762c8f

    SHA256

    5fea4747d97c0dbc097902818ae754eaca7214913a52d3bb1372a6274ce0292a

    SHA512

    ab93f14371dfae858bbad7d98c95055186f60b30937057f71b3d1ad17ab08b5ab7820a33bc5b3e74c485ec38e6b7a1772077add591d313175c10b4ff94bcb689

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp8240.tmp
    Filesize

    1KB

    MD5

    bca16298a9609bfc239b8352e4191e1d

    SHA1

    31593ffca2ddb5a2114d10ebe663b6ff8e9ec523

    SHA256

    5ed3c7f11b4656f902735a6357ee9d21b2c35ba6b4909845599f64ca0da0ee58

    SHA512

    c9e78ccea8397aff91a321ae95d3a65eddd70ea0e8d93b782d26b0b286aa6502be049ef98e064524d5f90c183851a16f2bdf99f41449235c292b69e07a6cf152

    Download Submit
  • memory/3752-142-0x0000000006CA0000-0x0000000006CF0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3752-141-0x0000000006460000-0x00000000064C6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3752-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3752-138-0x0000000000000000-mapping.dmp
    Download
  • memory/4236-133-0x00000000075F0000-0x0000000007682000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4236-135-0x00000000077E0000-0x0000000007836000-memory.dmp
    Filesize

    344KB

    Download
  • memory/4236-134-0x0000000007510000-0x000000000751A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4236-130-0x0000000000270000-0x0000000000316000-memory.dmp
    Filesize

    664KB

    Download
  • memory/4236-132-0x0000000007BA0000-0x0000000008144000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4236-131-0x0000000007550000-0x00000000075EC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4792-136-0x0000000000000000-mapping.dmp
    Download