Overview

overview

10

Static

static

23f3eeccb8...0f.exe

windows7_x64

10

23f3eeccb8...0f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14-04-2022 12:37

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General

  • Target

    23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f.exe

  • Size

    964KB

  • MD5

    59b28bbb4700cc6f9265e0861f743afe

  • SHA1

    528d616da58b548a02cfca6e51929c721c382425

  • SHA256

    23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f

  • SHA512

    bbf8b17d232245c7fdd2e9fc951bead9e8d81b2cd4460b760d9c2d13d5dde2c7d6e08cd50d275e2573b0bc4abeb4f8a644fbd9e16106be174d8abd94f2bb9d15

Score
10/10
agentteslametastealercollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

    stealermetastealer
  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UbNcYufbxnD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2728.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1772
    • C:\Users\Admin\AppData\Local\Temp\23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4076

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23f3eeccb897633af6363d184eb84553510d9769a7a8b4e4ec05647844fa2e0f.exe.log
    Filesize

    1KB

    MD5

    6f8f3a9a57cb30e686d3355e656031e0

    SHA1

    acccd6befb1a2f40e662280bc5182e086a0d079b

    SHA256

    283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea

    SHA512

    8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp2728.tmp
    Filesize

    1KB

    MD5

    1d43f25e5538933e93714e770aed7b3e

    SHA1

    9a6c0bea5e3183e7accf4c20caafa1db22f7bf45

    SHA256

    df34ed2473b34faa44a4989a66bc71824e4f01b95a07b5c1d14e9c85a142606d

    SHA512

    eea166092691e018ad9f6a7642707632b434d3579d821718edcfe14e81087172cffd4d08279f80d94b562aa5632820a621501b1dfe8946a0cbc5ff1e2462d53e

    Download Submit

  • memory/1540-131-0x0000000008400000-0x00000000089A4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/1540-132-0x0000000007EF0000-0x0000000007F82000-memory.dmp

    Filesize

    584KB

    Download

  • memory/1540-133-0x0000000008080000-0x000000000808A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/1540-134-0x000000000A8F0000-0x000000000AE1C000-memory.dmp

    Filesize

    5.2MB

    Download

  • memory/1540-135-0x000000000B0F0000-0x000000000B18C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1540-130-0x0000000000F70000-0x0000000001068000-memory.dmp

    Filesize

    992KB

    Download

  • memory/4076-139-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

    Download

  • memory/4076-141-0x00000000059C0000-0x0000000005A26000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4076-142-0x0000000006F00000-0x0000000006F50000-memory.dmp

    Filesize

    320KB

    Download