Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:56

General

  • Target

    New_Order2020.07.03.exe

  • Size

    486KB

  • MD5

    3f718a931a96049d60f8a4055d15235c

  • SHA1

    6c1ccc7510545b90974e945949569c6fd3167007

  • SHA256

    5b3b2cedb97bc0b3e2e011bd59cab0e5be8b6d08824e64476ff2744ec8c7e6ff

  • SHA512

    debc7202edd8240e8c8990aa6b0f64aa73c1466a810d79eac18a6d15e1ba6d86b8220c567fd856bbd304c68f899f0c672d261b014d7efb955f353e88022d0a52

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Signatures

  • AgentTesla

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

  • 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\New_Order2020.07.03.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xnExzCepuPR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72CE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4648
    • C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe
      "C:\Users\Admin\AppData\Local\Temp\New_Order2020.07.03.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\New_Order2020.07.03.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\tmp72CE.tmp

    Filesize

    1KB

    MD5

    397616783f8f228adc49ccaf4e14b2d8

    SHA1

    5321feea1d24b8b5dfe9ab35eb00447343ae9bb4

    SHA256

    447f964251f1be75e352cacafbd86c4e44ae64144923c2ec2a233aa9b68bc6a1

    SHA512

    96ea19a98ab06c4f9029a7d4963038e943b8706f9a2f9ce37e674bec1bda8d844f88890e5ac459b4d272d0b4ddb6548f97059999146aebe518a688320f51f147

  • memory/4424-130-0x0000000000140000-0x00000000001C0000-memory.dmp

    Filesize

    512KB

  • memory/4424-131-0x0000000005040000-0x00000000055E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4424-132-0x0000000004B70000-0x0000000004C02000-memory.dmp

    Filesize

    584KB

  • memory/4424-133-0x0000000004B60000-0x0000000004B6A000-memory.dmp

    Filesize

    40KB

  • memory/4424-134-0x00000000089A0000-0x0000000008A3C000-memory.dmp

    Filesize

    624KB

  • memory/4648-135-0x0000000000000000-mapping.dmp

  • memory/5108-137-0x0000000000000000-mapping.dmp

  • memory/5108-138-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/5108-140-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/5108-141-0x00000000064D0000-0x0000000006520000-memory.dmp

    Filesize

    320KB