Overview

overview

10

Static

static

20200809.exe

windows7_x64

10

20200809.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:27

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General

  • Target

    20200809.exe

  • Size

    544KB

  • MD5

    ed7115dfa3d1f7a20cc3e535fcfe10c1

  • SHA1

    01b951c89c725eff619c94fbaff756ca08fe1232

  • SHA256

    8ccf13e8e912fa0378988047e8dfdd3cf6f92f760c09745d841cf1f3971d506f

  • SHA512

    641cec39c215a4352b910524484dbc6f1341c3760757fcbf936ff382ce6db7c3070a9241c5f9f3aa564eef527b95123f205f380007318f4d5f981625093a412c

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.epak-de.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tanga333

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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\20200809.exe
    "C:\Users\Admin\AppData\Local\Temp\20200809.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\owyhsoOGEbhOZd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF721.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:220
    • C:\Users\Admin\AppData\Local\Temp\20200809.exe
      "C:\Users\Admin\AppData\Local\Temp\20200809.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2044

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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\20200809.exe.log
    Filesize

    496B

    MD5

    a25e0ec08ea716dcc1f709ad1e752d71

    SHA1

    64685efa79682636b020453e2444b3d472ed3181

    SHA256

    15254310d916b50af5775cf0df7e256a28242c41d6e429bc9e98709c162297f1

    SHA512

    2fe3e3dc28b0de7a6de5569799bdcc0eafea32043c23e56dc4f65b94fc7202dc08d87ad66311335406495377a4180070d5b7cc1b5d26bb40500068459c6346ae

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpF721.tmp
    Filesize

    1KB

    MD5

    937714d3f80aa33435cdfff2cd500062

    SHA1

    67b33ca300b001f43fc7056763b98d209d7a5932

    SHA256

    ec5fc61d763aa27951288e8f4dfa26187ca07468e3f1a44f38a0ffd1adc1e00b

    SHA512

    6f239137d179f4befd6ba9488e1b5deb534f13e9a2b1c05d48eaffd1cb65dfd364a52c048a387d4256628cbf4a886cd890df3dab4888098d44aa3d8300c3560e

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  • memory/220-131-0x0000000000000000-mapping.dmp
    Download
  • memory/1464-130-0x0000000074E80000-0x0000000075431000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2044-133-0x0000000000000000-mapping.dmp
    Download
  • memory/2044-134-0x0000000000400000-0x000000000044A000-memory.dmp
    Filesize

    296KB

    Download
  • memory/2044-136-0x0000000074E80000-0x0000000075431000-memory.dmp
    Filesize

    5.7MB

    Download