Overview

overview

10

Static

static

P66 2020 m...sx.exe

windows7_x64

10

P66 2020 m...sx.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    106s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:46

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General

  • Target

    P66 2020 master sheet.xlsx.exe

  • Size

    695KB

  • MD5

    07080c3aa5fd6d80e5681275ce15afb9

  • SHA1

    75e09d1b4f40bea0b068ce79e407ba9b8e8e8ccd

  • SHA256

    8580f9a8e64dff0c0d6ecbfe2b90642a972fa20bf91d1b4762ea2cc9c3433225

  • SHA512

    d21099e5a4537ae609c28e1a2d2afbfbeb15ec9e947c8cc195c56a5fd5aa2b492ea2195521bdc20c6f43daefe59a1eddf7dcaa347501b3a9439a3b4f2f269c25

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.mdist.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Receiving#4321

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 3 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\P66 2020 master sheet.xlsx.exe
    "C:\Users\Admin\AppData\Local\Temp\P66 2020 master sheet.xlsx.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IZfJGinQuOdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7186.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2364
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3004
      • 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:3852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7186.tmp
    Filesize

    1KB

    MD5

    77931db14427334ad6610580c8c48ed1

    SHA1

    938513dc0c1b3d915c05647651ce0e74d965841b

    SHA256

    17f9be1a4fc0e6b042cca889c613006d6f0149fca9eaa268aa60f18e8e4ab26b

    SHA512

    42d8af25763c48dd8e4bd1158f4469bb30be6a47307b7174d817f5221761234065cbc18b8125300e5234d6718de0e7d9a1db4c5a6d434f181bb3883df666d442

    Download Submit
  • memory/2364-135-0x0000000000000000-mapping.dmp
    Download
  • memory/3004-139-0x0000000006780000-0x00000000067E6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3004-137-0x0000000000000000-mapping.dmp
    Download
  • memory/3004-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3004-140-0x0000000006E90000-0x0000000006EE0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3004-142-0x0000000006F80000-0x0000000006F8A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3852-141-0x0000000000000000-mapping.dmp
    Download
  • memory/4236-133-0x00000000060E0000-0x0000000006266000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/4236-134-0x0000000005A20000-0x0000000005ABC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4236-132-0x0000000005580000-0x0000000005612000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4236-131-0x0000000005B30000-0x00000000060D4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4236-130-0x0000000000A80000-0x0000000000B34000-memory.dmp
    Filesize

    720KB

    Download