Overview

overview

10

Static

static

10

purchase o...99.exe

windows7_x64

10

purchase o...99.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 03:18

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General

  • Target

    purchase order HB-20-06099.exe

  • Size

    446KB

  • MD5

    2a4f2669b73ffc3bcb1f382774f57c37

  • SHA1

    a5f0968074fae2fa93e10684fc03ec817198639f

  • SHA256

    d2dbb94dedc36a45bd0f528aefae333861935729369b2136b85daa3ff77e4e0a

  • SHA512

    ed1f55a2833460c9fd63d7305661bdab8c362579b630d7d2c05b2585ebf79a69f424b367f115721a3ae59491eef72a2bdd8d600656837921041696a022d35474

Score
10/10
agentteslacollectioncoreentitykeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.suncurepelletmill.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pellet2013

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.suncurepelletmill.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pellet2013

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    coreentity
  • 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 3 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\purchase order HB-20-06099.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order HB-20-06099.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UICxns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE41.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4356
    • C:\Users\Admin\AppData\Local\Temp\purchase order HB-20-06099.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:2024
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\purchase order HB-20-06099.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmpCE41.tmp
      Filesize

      1KB

      MD5

      93664d0acf4c988c6ce2a908f29d5412

      SHA1

      94f9949d6daff457f721763379c79949e7f635a0

      SHA256

      4e62a1eab4aeccd871e052009df2c5374832e3a933dee693c28615c27329cd9f

      SHA512

      0ebe5a9e93cb86526ee9aea500c050e0bee74d78cdfdb2e1e58f41c1b6296344c96c3bf626fba242557532e743fe90ea12eacf7fbf106aef97675d56fa79a4b4

      Download Submit
    • memory/2024-137-0x0000000000000000-mapping.dmp
      Download
    • memory/2024-138-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/2024-140-0x0000000005AB0000-0x0000000005B16000-memory.dmp
      Filesize

      408KB

      Download
    • memory/2024-142-0x0000000006790000-0x00000000067E0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/4036-132-0x0000000005360000-0x00000000053F2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4036-133-0x0000000005400000-0x000000000540A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4036-134-0x0000000008D00000-0x0000000008D9C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4036-130-0x0000000000930000-0x00000000009A6000-memory.dmp
      Filesize

      472KB

      Download
    • memory/4036-131-0x0000000005A30000-0x0000000005FD4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4356-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4968-141-0x0000000000000000-mapping.dmp
      Download