Overview

overview

10

Static

static

Scan_copy_...20.exe

windows7_x64

10

Scan_copy_...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    85s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:27

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General

  • Target

    Scan_copy_08272020.exe

  • Size

    671KB

  • MD5

    595d2af4ee391b3e1bde8afb492a4514

  • SHA1

    d09d1f836fde2e422833460dd39cbbf925859869

  • SHA256

    1b70d8bec1085949c128725ae5a8b69ccaeda7c20fb1e7be0d6e9ff2b5ef1a85

  • SHA512

    4235c0e10a992b635631097060fa4c204c54f083f13023b6d06adbc24fac983f0e03eb8cb83940a455ab7863c169e12ecedc39af73fccdab0be569a89b0b556f

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    khalik000

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    khalik000

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan_copy_08272020.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan_copy_08272020.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HhhGajJWoFvaTg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C52.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3640
    • C:\Users\Admin\AppData\Local\Temp\Scan_copy_08272020.exe
      "{path}"
      2⤵
        PID:3620
      • C:\Users\Admin\AppData\Local\Temp\Scan_copy_08272020.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:212

    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

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8C52.tmp
      Filesize

      1KB

      MD5

      c1500637a570543308f3ec5c8e993739

      SHA1

      042c610b17cd7b4c11bcb9146703f0752488ef65

      SHA256

      1b55961e32f40469889658b306649a12aa7ffe93d6ee12376b002e83bb36aa30

      SHA512

      28818d6356a0b7bedae2bbebeab604706d0f46eea98cbc53ea6c4e2f0ae6159003d80d39990d240ca00b45c4458f72c0998ec7314757444f2541735dedefd7fa

      Download Submit
    • memory/212-137-0x0000000000000000-mapping.dmp
      Download
    • memory/212-138-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/212-139-0x0000000005F70000-0x0000000006514000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/212-140-0x0000000006E40000-0x0000000006E90000-memory.dmp
      Filesize

      320KB

      Download
    • memory/212-141-0x0000000007170000-0x000000000717A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/1240-130-0x00000000001E0000-0x000000000028E000-memory.dmp
      Filesize

      696KB

      Download
    • memory/1240-131-0x00000000052D0000-0x0000000005362000-memory.dmp
      Filesize

      584KB

      Download
    • memory/1240-132-0x000000000B5E0000-0x000000000B67C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/1240-133-0x000000000B680000-0x000000000B6E6000-memory.dmp
      Filesize

      408KB

      Download
    • memory/3620-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3640-134-0x0000000000000000-mapping.dmp
      Download