Overview

overview

10

Static

static

PDF4023567.exe

windows7_x64

10

PDF4023567.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    186s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:45

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General

  • Target

    PDF4023567.exe

  • Size

    702KB

  • MD5

    b3fd61d7dc278f59457c6250830bb4f0

  • SHA1

    fbd24d0fa9bca10177934481b39fbe02c651655a

  • SHA256

    97de6c160babaf971dcb6050553dca24d3979b994879387c2c1fee52156c02f0

  • SHA512

    446efc6570e738d1cbda85dcff906b8a738ffaa13e046978d01ec52c6f1d61eb42d566654f8b7c17556e868a7edc7ca2d8038cecb96c6111b6801f6460665909

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CODJzbYdXfwKPW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBFE5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4424
    • C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3572

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\Temp\tmpBFE5.tmp
    Filesize

    1KB

    MD5

    2daa235438094e292cbdedb49686149a

    SHA1

    0f9437412c5dc2a810ac77e71bcfd99609c6be66

    SHA256

    04deb3594a60744a3c49a1e3dee12471d4b85816ef674a5c382b6a7736bb121c

    SHA512

    a180a2c65c5f131d6a94ab9336f57534da87c08582a0fcd6c85562ff57d4802c160d0e121173b38752129d335abd52d0275f6f7b991021cc3d9748df7c339a89

    Download Submit
  • memory/3112-130-0x0000000074C20000-0x00000000751D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3572-133-0x0000000000000000-mapping.dmp
    Download
  • memory/3572-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3572-135-0x0000000074C20000-0x00000000751D1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4424-131-0x0000000000000000-mapping.dmp
    Download