Overview

overview

10

Static

static

Untitle000...44.exe

windows7_x64

10

Untitle000...44.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:29

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General

  • Target

    Untitle00000002344.exe

  • Size

    568KB

  • MD5

    e72869ffdbb61adb38fc0d7b96113fdf

  • SHA1

    f3ac996f6cca1e21a6993cdbd2711f01bd39803f

  • SHA256

    0239e6b1f17ada8657c6c66068da875641fd244d3586b9e16c5dc5d2208917f3

  • SHA512

    b3fe01ccd7a46bb76a1e5fd8deeb2151c01327c4d30e3eb2f33b7841b55541bfca2ea3b3150cf1ff0519f4e8de1a51a0cc9e9b032d4721c101ae1770d6ff4133

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.leffamatrizes.com.br
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    amx1020

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 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
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Untitle00000002344.exe
    "C:\Users\Admin\AppData\Local\Temp\Untitle00000002344.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pWbaTmlZq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3642.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3536
    • C:\Users\Admin\AppData\Local\Temp\Untitle00000002344.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1988
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:2768

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

Modify Registry

1
T1112

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\Temp\tmp3642.tmp
    Filesize

    1KB

    MD5

    5b0f81a4100610bcd1a53dcf0afde29c

    SHA1

    90f84ab32731052f04e533c8fa0b71d1cbae0454

    SHA256

    2bfdb677f3f7cf78dafb7b3584aabe981dc429069d31b2fccab90809396e3d72

    SHA512

    4f937f5e0f0ee9f1caf4589e1d7bd9fa53f03700556e1ed3cdb2338b237a1c44fc7c20d57fc7a5073a2d282656186cd251424a15b340a0d875e35c15fbac28db

    Download Submit
  • memory/1988-136-0x0000000000000000-mapping.dmp
    Download
  • memory/1988-137-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1988-138-0x0000000005FB0000-0x0000000006016000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1988-139-0x0000000006D20000-0x0000000006D70000-memory.dmp
    Filesize

    320KB

    Download
  • memory/1988-141-0x0000000007010000-0x000000000701A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2416-130-0x0000000000BA0000-0x0000000000C34000-memory.dmp
    Filesize

    592KB

    Download
  • memory/2416-131-0x0000000005C10000-0x00000000061B4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2416-132-0x0000000005660000-0x00000000056F2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2416-133-0x0000000006360000-0x00000000063FC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2768-140-0x0000000000000000-mapping.dmp
    Download
  • memory/3536-134-0x0000000000000000-mapping.dmp
    Download