Overview

overview

10

Static

static

Invoices N...05.exe

windows7_x64

10

Invoices N...05.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:47

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General

  • Target

    Invoices No.00004-00005.exe

  • Size

    722KB

  • MD5

    8da25b951c498b507f732d0fdfd09a15

  • SHA1

    87059509d7c01c614dec8a3d3753e2586afdeb72

  • SHA256

    db8c0d21cf315034515bd28e49435e6cde73954c992c3a5528417019e9b25526

  • SHA512

    65ab7ee60ed3d6bb7e3f39af0df0d841a341146505cc3c02933d645adcdc223c399b31867beda65c002d47e1533fedc1e91b480345e91f3b4cfe6603f69b549d

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    server122.web-hosting.com
  • Port:
    587
  • Username:
    milli@cdperenco.com
  • Password:
    _20_}*sehLA-

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    server122.web-hosting.com
  • Port:
    587
  • Username:
    milli@cdperenco.com
  • Password:
    _20_}*sehLA-

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • 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
  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoices No.00004-00005.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoices No.00004-00005.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4FF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4692
    • C:\Users\Admin\AppData\Local\Temp\Invoices No.00004-00005.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoices No.00004-00005.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:348

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

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

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\Microsoft\CLR_v4.0_32\UsageLogs\Invoices No.00004-00005.exe.log
    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmpF4FF.tmp
    Filesize

    1KB

    MD5

    bca16298a9609bfc239b8352e4191e1d

    SHA1

    31593ffca2ddb5a2114d10ebe663b6ff8e9ec523

    SHA256

    5ed3c7f11b4656f902735a6357ee9d21b2c35ba6b4909845599f64ca0da0ee58

    SHA512

    c9e78ccea8397aff91a321ae95d3a65eddd70ea0e8d93b782d26b0b286aa6502be049ef98e064524d5f90c183851a16f2bdf99f41449235c292b69e07a6cf152

    Download Submit
  • memory/348-142-0x00000000067B0000-0x0000000006800000-memory.dmp
    Filesize

    320KB

    Download
  • memory/348-141-0x0000000006290000-0x00000000062F6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/348-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/348-138-0x0000000000000000-mapping.dmp
    Download
  • memory/2184-133-0x0000000004CF0000-0x0000000004D82000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2184-135-0x0000000004E80000-0x0000000004ED6000-memory.dmp
    Filesize

    344KB

    Download
  • memory/2184-134-0x0000000002710000-0x000000000271A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2184-130-0x0000000000110000-0x00000000001CA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/2184-132-0x00000000052A0000-0x0000000005844000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2184-131-0x0000000004C50000-0x0000000004CEC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4692-136-0x0000000000000000-mapping.dmp
    Download