Analysis

  • max time kernel
    169s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:24

General

  • Target

    NEW_ORDE.exe

  • Size

    521KB

  • MD5

    52133a225e1285915e4c871f802db4e0

  • SHA1

    4a61cccd463daa442568f98263d5a9944cc724b9

  • SHA256

    08e3928e063f4d85e7580cb03a62d69e7c3c0ba1bd04e2867343931e335862bd

  • SHA512

    bdb76a4ec24d16e9c3f6ec3e7f30b698743d0818c2167793441528477aec89d2712962ef66cae3e9b43516f90bd644e386308c2c0971ccf6940d43cf2664c301

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fakly-cambodia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mmhh#2014

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fakly-cambodia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mmhh#2014

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • 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.

  • 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
  • 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.

  • 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\NEW_ORDE.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW_ORDE.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:624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gTZhcFj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp107B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2324
    • C:\Users\Admin\AppData\Local\Temp\NEW_ORDE.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:3168
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3080

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    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

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1KB

      MD5

      e08f822522c617a40840c62e4b0fb45e

      SHA1

      ae516dca4da5234be6676d3f234c19ec55725be7

      SHA256

      bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

      SHA512

      894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

    • C:\Users\Admin\AppData\Local\Temp\tmp107B.tmp
      Filesize

      1KB

      MD5

      f05e3c9e6a15487221fb57e522697857

      SHA1

      95c4e897be6dd0159146af8515e2be93763e349a

      SHA256

      bf6e6c3ce00db639a000a4fadb5fa8ed6a7e0520d2f1735d892712e4ed0abcb9

      SHA512

      ac8a5831595af892c8d384bd42a1d1484d7959fa7611a3de59a428033a9e2b0d236b020bb5ffc085c87e8b4ef775c6c89dd8558970f307bd15bd35b998f1a5d7

    • memory/624-131-0x00000000081E0000-0x0000000008784000-memory.dmp
      Filesize

      5.6MB

    • memory/624-132-0x0000000007CD0000-0x0000000007D62000-memory.dmp
      Filesize

      584KB

    • memory/624-133-0x0000000007E70000-0x0000000007E7A000-memory.dmp
      Filesize

      40KB

    • memory/624-134-0x000000000B7B0000-0x000000000B84C000-memory.dmp
      Filesize

      624KB

    • memory/624-135-0x000000000B9C0000-0x000000000BA26000-memory.dmp
      Filesize

      408KB

    • memory/624-130-0x0000000000DB0000-0x0000000000E38000-memory.dmp
      Filesize

      544KB

    • memory/2324-136-0x0000000000000000-mapping.dmp
    • memory/3080-141-0x0000000000000000-mapping.dmp
    • memory/3168-139-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/3168-138-0x0000000000000000-mapping.dmp
    • memory/3168-142-0x00000000062E0000-0x0000000006330000-memory.dmp
      Filesize

      320KB