Overview

overview

10

Static

static

IAHYP4OU.exe

windows7_x64

10

IAHYP4OU.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:07

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General

  • Target

    IAHYP4OU.exe

  • Size

    620KB

  • MD5

    33b370e37c963a7e3051a98a63429e4f

  • SHA1

    92baae7d4da34c18807942cfb6c9f11906450d49

  • SHA256

    d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61

  • SHA512

    898ae92ed64d30661a3884c8a4550ad7aee4515a2f9d0c3ee3d4404ac627f50ef888a4ba9d8c61df85c176faae014410e92f4f6c72679f69516eecfdc7664774

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.studlandstol.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dutyfaithlu12345

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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe
    "C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9952.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4668
    • C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe
      "C:\Users\Admin\AppData\Local\Temp\IAHYP4OU.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2064
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4304

    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

    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\Microsoft\CLR_v2.0_32\UsageLogs\IAHYP4OU.exe.log
      Filesize

      594B

      MD5

      fdb26b3b547022b45cfaeee57eafd566

      SHA1

      11c6798b8a59233f404014c5e79b3363cd564b37

      SHA256

      2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

      SHA512

      44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp9952.tmp
      Filesize

      1KB

      MD5

      46774540e2c22809b4f81c4d52077606

      SHA1

      4ef6f31f28a393ccd31574ad8765ba61290f23ec

      SHA256

      3f782b746a9aee51d09992f92f6eb50a36cb55a642c8d4bcee7719c3a155c8d6

      SHA512

      f3c78c6a7dbff1456d40a707a627c28c7bd3f59929be72c73853ea148a004b11450b51c9a51ce9ca64d7dbf20f1bf087e7736cf31c56d04a4eeba684670dc28f

      Download Submit
    • memory/2064-133-0x0000000000000000-mapping.dmp
      Download
    • memory/2064-134-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/2064-136-0x0000000075150000-0x0000000075701000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4304-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4668-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4880-130-0x0000000075150000-0x0000000075701000-memory.dmp
      Filesize

      5.7MB

      Download