Overview

overview

10

Static

static

PO# 3323__...ls.exe

windows7_x64

10

PO# 3323__...ls.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    124s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:36

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General

  • Target

    PO# 3323__20201506.xls.exe

  • Size

    461KB

  • MD5

    2928d38ac0a28d2d9e8164a885823c40

  • SHA1

    166795207d1f948ea35d9f7927ca8fe0cc8935d0

  • SHA256

    4e1d9e3cb83b44c13a9870d21f59b4eb335167d952a6914583a8a0259d6c16c0

  • SHA512

    3204ae4bb8213b9434c89b2ddde19c7777597c615fa62d4259f61dbea48795d31a870bcde2a8c19d0da4747b65b886b91fc1849a2ad4a0fcb6956da7a11ac45c

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    335410

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    335410

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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • 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:4356
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2176

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    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\PO# 3323__20201506.xls.exe.log
      Filesize

      507B

      MD5

      ab4c71d3ff6255edd4e5c1e09540f49e

      SHA1

      22e06bf4e258741b5df918061871cba998c50cea

      SHA256

      1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

      SHA512

      8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

      Download Submit
    • memory/396-130-0x0000000000010000-0x000000000008A000-memory.dmp
      Filesize

      488KB

      Download
    • memory/396-131-0x00000000049E0000-0x0000000004A7C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/396-132-0x0000000004B90000-0x0000000004C22000-memory.dmp
      Filesize

      584KB

      Download
    • memory/396-133-0x0000000005950000-0x0000000005EF4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2176-139-0x0000000000000000-mapping.dmp
      Download
    • memory/4356-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4356-135-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/4356-137-0x0000000005B20000-0x0000000005B86000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4356-138-0x00000000065F0000-0x0000000006640000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4356-140-0x0000000006A70000-0x0000000006A7A000-memory.dmp
      Filesize

      40KB

      Download