Overview

overview

10

Static

static

8JVksjPpTQe3cej.exe

windows7_x64

10

8JVksjPpTQe3cej.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:32

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General

  • Target

    8JVksjPpTQe3cej.exe

  • Size

    605KB

  • MD5

    369a7128bae6f603d8d37e139beff1e3

  • SHA1

    6345b980e576c947b130c8e79f0748af6515758b

  • SHA256

    99d5312ed790ae1cc69b6965f33f193863e3f4cec084ddf24b6d3722dd926d8d

  • SHA512

    66a3ad5c31c034ba934731b0956d1ebe2ef52658eb8e9a1c426af3655df79bb712412eebb2052c12498dbd2ee7e96623f9a07a8e79921b164d68a17718f9994c

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    roham.dnswebhost.com
  • Port:
    587
  • Username:
    e@robotkar.ir
  • Password:
    anyiego@123

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 6 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\8JVksjPpTQe3cej.exe
    "C:\Users\Admin\AppData\Local\Temp\8JVksjPpTQe3cej.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:2384
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vYSTfXtYJgeLKP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DF5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4432
    • C:\Users\Admin\AppData\Local\Temp\8JVksjPpTQe3cej.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3596

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9DF5.tmp
    Filesize

    1KB

    MD5

    2cb0baceaa1b6cae899d04be5efba0f9

    SHA1

    a5ca6c3ed7d9f3fdb8ce69c9c1b0aca2d8b36427

    SHA256

    4e5dee7e90a441585467151d2b41fb2176c41ed79340e62b088384368a0569f4

    SHA512

    7c84febe2fb79f68b065ad98d7e9d9c72256c0645c1a10d3d68ccddfbae23c37d64811cf2102c8a77557e915e30c50e0855bee5daea1619ed6fb385b9b7341ac

    Download Submit
  • memory/2384-130-0x0000000074BC0000-0x0000000075171000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3596-133-0x0000000000000000-mapping.dmp
    Download
  • memory/3596-134-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3596-135-0x0000000074BC0000-0x0000000075171000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4432-131-0x0000000000000000-mapping.dmp
    Download