Overview

overview

10

Static

static

DETAILS AMOUNT.exe

windows7_x64

10

DETAILS AMOUNT.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:24

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General

  • Target

    DETAILS AMOUNT.exe

  • Size

    444KB

  • MD5

    72f6d2e7695cbb193dd0c2feb017f627

  • SHA1

    77f867ab0f69210e1a68347193a408345f8348f2

  • SHA256

    28e88078dd3f0800cde733e29446add851a4223ce596ffe17ac38977cd903e37

  • SHA512

    88ff0c60dccc644d46e7c8f06563414089c567d48d276aa5ec7d062a65051a766637760f0cc728674ee8b66dc930570b498a3afaf25a6b45fc8491019ff10ed4

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.elfengineeringintl.com
  • Port:
    587
  • Username:
    directortechnical@elfengineeringintl.com
  • Password:
    HElPJvrJGA

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 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\DETAILS AMOUNT.exe
    "C:\Users\Admin\AppData\Local\Temp\DETAILS AMOUNT.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GYORCOiROgtEyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61E6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\DETAILS AMOUNT.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4472

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\tmp61E6.tmp
    Filesize

    1KB

    MD5

    d8365085d361bb0ba29caac55b36d7f6

    SHA1

    a6875cc77e4db19249bbdb07fa0840258677b0a1

    SHA256

    2022e1215f9252bc0c0ca1cba2caaff06207dd64bb942916450f87cf0f7991fc

    SHA512

    35f079226f5e344ab6291cfd86c926f25db296db33cd3748aa631115f5aca16ffa7a9d52f34ddf1f87cbd373ad84afc20840383b1139c6acb51087775f6f827a

    Download Submit
  • memory/2608-135-0x0000000000000000-mapping.dmp
    Download
  • memory/2740-130-0x00000000006C0000-0x0000000000736000-memory.dmp
    Filesize

    472KB

    Download
  • memory/2740-131-0x0000000007BE0000-0x0000000008184000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2740-132-0x00000000076D0000-0x0000000007762000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2740-133-0x0000000008690000-0x000000000872C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2740-134-0x0000000008730000-0x0000000008796000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4472-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4472-138-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4472-139-0x0000000006990000-0x00000000069E0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/4472-140-0x0000000007590000-0x000000000759A000-memory.dmp
    Filesize

    40KB

    Download