Overview

overview

10

Static

static

COPY OF N-N.exe

windows7_x64

10

COPY OF N-N.exe

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-05-2021 07:47

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    COPY OF N-N.exe

  • Size

    725KB

  • MD5

    e835f5a976ab1d8dd4e4e10813dd2a67

  • SHA1

    68d789fcc36fdd8eb5cbb5b58c55cb1d48174c24

  • SHA256

    c1269286a5b767fbd0b90c97cc06279b08ed094069932c8d17acc4c3144a218b

  • SHA512

    269eac258dd1b830f165b253be7cd533f6a99266fcec1e0c4367eb84098cea0c66bd1b40b0788e57de97e2c387240948d2145abb83230bce1b719360831d080b

Score
10/10
agentteslaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.medamanagement.com
  • Port:
    587
  • Username:
    info@medamanagement.com
  • Password:
    20@radihX21@Meda

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Drops file in Drivers directory 1 IoCs
  • 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.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\COPY OF N-N.exe
    "C:\Users\Admin\AppData\Local\Temp\COPY OF N-N.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBHvzdfGpm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1896
    • C:\Users\Admin\AppData\Local\Temp\COPY OF N-N.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp
    MD5

    bb6c0b74d9463ad48ddf0ec15da61093

    SHA1

    4590b14b0cc1b300f2de0dc10d5ca49474df33b9

    SHA256

    d8ffc63fdbf2734bdb0c02bb938220647af320e3d5984716abec14070b6f872e

    SHA512

    08c9e37ac72a632ed5a575da06401b46852eef23bd02ab695a3bde4aa36e6c681829885a95552499e8f20c26c2d4a3f2b69bc1b29e2fdc0fd1cb7eea8c09c13a

    Download Submit
  • memory/1648-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1648-68-0x000000000043761E-mapping.dmp
    Download
  • memory/1648-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1648-71-0x0000000004A30000-0x0000000004A31000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1648-72-0x0000000004A31000-0x0000000004A32000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1652-59-0x00000000013B0000-0x00000000013B1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1652-61-0x00000000048E0000-0x00000000048E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1652-62-0x0000000000380000-0x000000000038E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/1652-63-0x0000000004AE0000-0x0000000004B72000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1652-64-0x0000000000C80000-0x0000000000CD8000-memory.dmp
    Filesize

    352KB

    Download
  • memory/1896-65-0x0000000000000000-mapping.dmp
    Download