Overview

overview

10

Static

static

Amount 30,000 EUR.exe

windows7_x64

10

Amount 30,000 EUR.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    162s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:37

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General

  • Target

    Amount 30,000 EUR.exe

  • Size

    615KB

  • MD5

    6f5cc8fa4d270a910af4fe1a3200f8fa

  • SHA1

    b5b4fe3824f4baf08d0bf7e19bd4f73589d4b305

  • SHA256

    92937f7868601189fc7a3c51f7de21a1a16d92d2ec823cc6faf69cebc8939376

  • SHA512

    b8dcede8e0506a5feab87319d345c471f3aa14fffb0c70cd94737f9147b5d6ad27dc9dce356067fef23184c5c9eacddfe9d91f5ecd0936ccf83ff92a714aa911

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.cybix.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cybix@16july

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\Amount 30,000 EUR.exe
    "C:\Users\Admin\AppData\Local\Temp\Amount 30,000 EUR.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:3088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5697.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1980
    • C:\Users\Admin\AppData\Local\Temp\Amount 30,000 EUR.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5036

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\tmp5697.tmp
    Filesize

    1KB

    MD5

    072541fbcc0f05e7e00afb8876087822

    SHA1

    0a1a6ad25a4a546520fe21bed23b4dd56f5ea7f5

    SHA256

    8a98b2e2084e096028123a79228bc1b11f12179aecfbe53759b3e0805f973116

    SHA512

    07074f512ee920a787af3d49d982795121051cc5cd1ce01d115aab63cd800fd58f2f57e73dafb96151e57ada9d2e407e370abc9c56d8ab604d118dad93c1412d

    Download Submit
  • memory/1980-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3088-130-0x00000000003D0000-0x0000000000470000-memory.dmp
    Filesize

    640KB

    Download
  • memory/3088-131-0x0000000004DB0000-0x0000000004E4C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3088-132-0x0000000004F30000-0x0000000004FC2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3088-133-0x000000000B920000-0x000000000BEC4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3088-134-0x000000000BED0000-0x000000000BF36000-memory.dmp
    Filesize

    408KB

    Download
  • memory/5036-137-0x0000000000000000-mapping.dmp
    Download
  • memory/5036-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/5036-139-0x0000000006800000-0x0000000006850000-memory.dmp
    Filesize

    320KB

    Download