Overview

overview

10

Static

static

INV01.exe

windows7_x64

10

INV01.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:59

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General

  • Target

    INV01.exe

  • Size

    440KB

  • MD5

    b9743458d1fc6404f135ad3316f174b9

  • SHA1

    1df0673acc0e37439031915478b2ae8817fbd478

  • SHA256

    d31acad1f441efed4a4cef4782ff79cce51d37a1e78b8a9af72c484326e5fd01

  • SHA512

    71b07f3b916cb60a4f7186420e1daa42616f2bc1e60679ed00d53e832dbc23d5b2b12ec9c96d894269fe366223855d656c240c0093d8a27e98f16fd49f307889

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     ftp
  • Host:
    ftp.nedtek.com.au
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

Extracted

Family

agenttesla

Credentials

  • Protocol:     ftp
  • Host:
    ftp://ftp.nedtek.com.au/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

  • Protocol:     ftp
  • Host:
    ftp://ftp.nedtek.com.au/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\INV01.exe
    "C:\Users\Admin\AppData\Local\Temp\INV01.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WCzIUAlb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2264
    • C:\Users\Admin\AppData\Local\Temp\INV01.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2464
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4236

    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_v2.0_32\UsageLogs\INV01.exe.log
      Filesize

      496B

      MD5

      cb76b18ebed3a9f05a14aed43d35fba6

      SHA1

      836a4b4e351846fca08b84149cb734cb59b8c0d6

      SHA256

      8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

      SHA512

      7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp84C0.tmp
      Filesize

      1KB

      MD5

      3aaeed132a1a06182f190470f4483bf6

      SHA1

      32e2c02da92a40e309b4db5b1a67db01e328573f

      SHA256

      08d512b65c8d870dc82a82ef22abcc78b60905f98f2d0217091315690a98cd0d

      SHA512

      cb5c9bb74677b628f016b98cb8cd7f279e7426c14bfcf6461105f0c72b8dc6b18d0273ecf1d4d9b4f0aede424fe55b11a51cbf94abeb06813a6ab67a2b1deb6c

      Download Submit
    • memory/2264-131-0x0000000000000000-mapping.dmp
      Download
    • memory/2464-133-0x0000000000000000-mapping.dmp
      Download
    • memory/2464-134-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/2464-136-0x0000000075400000-0x00000000759B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/3628-130-0x0000000075400000-0x00000000759B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4236-137-0x0000000000000000-mapping.dmp
      Download