Overview

overview

10

Static

static

PO#080720_pdf.exe

windows7_x64

3

PO#080720_pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:40

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General

  • Target

    PO#080720_pdf.exe

  • Size

    1.1MB

  • MD5

    33207be99a4d70202963b1ce09f503dd

  • SHA1

    36df4205defc8f9903bdbda8ad77eabffefcf01c

  • SHA256

    3315958fc5d16e16e78d1c4023a797b38b1246552ca148255bfd0124cec0c771

  • SHA512

    adba0d41dd9fe97d6ceb86fd064c6a44443569904ada416662f26961a5b4db14971844e1594ed7fbab2956d86c26ee293f9cfd2c6469ffcda7a211828016c347

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.skysponder.com
  • Port:
    587
  • Username:
    fvrblssd@skysponder.com
  • Password:
    yes@@@yes

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.

  • 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 3 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#080720_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#080720_pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sRglic" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6755.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:832
    • C:\Users\Admin\AppData\Local\Temp\PO#080720_pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2432

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#080720_pdf.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp6755.tmp
    Filesize

    1KB

    MD5

    42326fefd0d5faadbb8f119730ea61f7

    SHA1

    38fe8f692b2fe6ec14f3e11135583bfefcdc8074

    SHA256

    88f8186b5235c97e3f55d43e6efdace76fa712780d46e4e22ee8069bf9a1a7cb

    SHA512

    2b5697e7d8a3c8b0da20e6b0a9cfd225021a70f71f43d5041d3ed5e00f149774c14116946e955a956b69839dd4ca34cea7d5194df78f8a1d18594f31ea614f92

    Download Submit
  • memory/832-135-0x0000000000000000-mapping.dmp
    Download
  • memory/1164-130-0x0000000000A30000-0x0000000000B56000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/1164-131-0x0000000005A70000-0x0000000006014000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1164-132-0x0000000005560000-0x00000000055F2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1164-133-0x0000000005520000-0x000000000552A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1164-134-0x0000000007E30000-0x0000000007ECC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2432-137-0x0000000000000000-mapping.dmp
    Download
  • memory/2432-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2432-140-0x0000000005F60000-0x0000000005FC6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2432-141-0x0000000006FB0000-0x0000000007000000-memory.dmp
    Filesize

    320KB

    Download