Analysis

  • max time kernel
    77s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2022 12:29

General

  • Target

    INQUIRY.exe

  • Size

    987KB

  • MD5

    e5265906364b50b3c76474eccb791319

  • SHA1

    c4d7fb4ca637a7853e32d2dca8bb8f1ee953e8ad

  • SHA256

    92d2a5ac1445f1cf95317d89b5b1649246b56e328894b584523e690def1bc570

  • SHA512

    523c0c312512bd2d38e5388b8898d1b9b04fa7aa72ee1d4f311ea4b4c2f53678c4a03d8df3db6564228a720a00e996d41b63624bd51cd14f9d2e5679aa6a1c75

  • SSDEEP

    12288:kgqC2J6e2bju7kXl9FWg3qzwzFL8O+TpGxzjUR56J2apsADqjJ5nGmwl9cffomoe:kg52sfikVSkq67tXK5SWjrGXu

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sseximclearing.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ssxm@9854

Signatures

  • AgentTesla

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lxtdKYnImsS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp42E5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4492
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • C:\Users\Admin\AppData\Local\Temp\tmp42E5.tmp

    Filesize

    1KB

    MD5

    c872e1014a6430370293ab6907b59af4

    SHA1

    08c29f9aa4c3048891c284b901a9451899b6e007

    SHA256

    a027f8fff5f671c2b03910f8ec792501a2f21a6acf8af424e53e1fdf1ecf19a6

    SHA512

    44e4ed810fa9605562833f79a085e7c63e6e28527f423ae71e2d409bb23c4550b95bfa3bb0e80f4ea72f8f1132fe7aa151febea968d8250cc56686bc52d92ed5

  • memory/3084-132-0x0000000000F80000-0x000000000107C000-memory.dmp

    Filesize

    1008KB

  • memory/3084-133-0x0000000005FD0000-0x0000000006574000-memory.dmp

    Filesize

    5.6MB

  • memory/3084-134-0x0000000005AC0000-0x0000000005B52000-memory.dmp

    Filesize

    584KB

  • memory/3084-135-0x0000000005B60000-0x0000000005BFC000-memory.dmp

    Filesize

    624KB

  • memory/3084-136-0x0000000005A30000-0x0000000005A3A000-memory.dmp

    Filesize

    40KB

  • memory/4216-140-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4216-142-0x0000000006310000-0x0000000006376000-memory.dmp

    Filesize

    408KB

  • memory/4216-143-0x00000000069F0000-0x0000000006A40000-memory.dmp

    Filesize

    320KB