Overview

overview

10

Static

static

DOC-Scan00567_pdf.exe

windows7_x64

10

DOC-Scan00567_pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    100s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:54

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General

  • Target

    DOC-Scan00567_pdf.exe

  • Size

    412KB

  • MD5

    476f0f9309965ce0f31ce6ee146f6ad3

  • SHA1

    7cc7994a4b4117616c6a3952257d8dc6ea622917

  • SHA256

    15154cbc9862afbec2f10963d73522701380e919fff8250e455553871fba1b7e

  • SHA512

    ed8839bb67ef575553206cc847a4b59019d8834562a9bb5d9dccec8958ab20c96f002b077bff87ac5cb640950ab1242ef78b9baf7aef2f8f15c8e6bd1a227938

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.cosmosgroup.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    santosh_cosmos

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\DOC-Scan00567_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC-Scan00567_pdf.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CqCIfTpzlIKkwh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4873.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4776
    • C:\Users\Admin\AppData\Local\Temp\DOC-Scan00567_pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3984
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3620

    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

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    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\DOC-Scan00567_pdf.exe.log
      Filesize

      1KB

      MD5

      d51429e0af98d49d9f8ad3bc303fe83b

      SHA1

      50b4e3b7c101706798afa7a3acb24ae54a91a8f6

      SHA256

      10be89c07fa1451c711655bf49a2a1d5e4db8085add97f3b744091f50f40f57c

      SHA512

      ee2ece2e0464f1fac07b4573760628c5407c874812c5f6553a118202845be9553e0206bfc44198fc63fa574ff0d091feef3257991333454d2982133c56f39205

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp4873.tmp
      Filesize

      1KB

      MD5

      7b73258501280360503fba03131a4243

      SHA1

      e857467ab611d7a0f3a99b8451d1f765e54c26d1

      SHA256

      e14b65961146b95dab70c9516250ad99ce82c0d70eeae6b32a7e49c59e748eac

      SHA512

      65c2066a417ab007fea32dfd484b961b354483ffe50929382649ea8d977e76b3440785c200e2d29760224d89050c1c2e98d3a55535af929a3d0da0bc077f4caf

      Download Submit
    • memory/3620-142-0x0000000000000000-mapping.dmp
      Download
    • memory/3984-141-0x0000000006BB0000-0x0000000006C00000-memory.dmp
      Filesize

      320KB

      Download
    • memory/3984-139-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

      Download
    • memory/3984-138-0x0000000000000000-mapping.dmp
      Download
    • memory/4052-133-0x00000000058D0000-0x00000000058DA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4052-135-0x0000000009400000-0x0000000009466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4052-134-0x0000000008FD0000-0x000000000906C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4052-130-0x0000000000B20000-0x0000000000B8E000-memory.dmp
      Filesize

      440KB

      Download
    • memory/4052-132-0x00000000058E0000-0x0000000005972000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4052-131-0x0000000005C70000-0x0000000006214000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4776-136-0x0000000000000000-mapping.dmp
      Download