Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 15:33

General

  • Target

    inward_payment_confirmation_reference_Z1766053541_notifications.exe

  • Size

    537KB

  • MD5

    25eec63edf7c0eb8628a89712b5cb363

  • SHA1

    4e8d586a950492c30147b7d56bcfad49cd577966

  • SHA256

    e075807417590255de4d395fa3dfbc336e88c96bbab8afca1d5e5d5abbac0237

  • SHA512

    086feb119e2a02f2fd7afc45c422f9b472f049eb2e79f83769f25254d88a84086275d2cff1e891d360ea57978292cd0caf958e4000cd659ac532165e1f881dfb

  • SSDEEP

    6144:UnPdudwDCVOCg2G4A+uxXCpzna3MSzy99s5sbro5kd+B4hJ1QQsSGuhkrpzOUlec:UnPdMg2H8SpzaThHy7mzOUlvnVMs3e+

Malware Config

Extracted

Family

remcos

Botnet

Manifest

C2

linktreewealth.zapto.org:3980

linktreewealth.zapto.org:3981

linktreewealthy.zapto.org:3980

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-0B1XIG

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

latentbot

C2

linktreewealth.zapto.org

linktreewealthy.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\inward_payment_confirmation_reference_Z1766053541_notifications.exe
    "C:\Users\Admin\AppData\Local\Temp\inward_payment_confirmation_reference_Z1766053541_notifications.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\inward_payment_confirmation_reference_Z1766053541_notifications.exe
      "C:\Users\Admin\AppData\Local\Temp\inward_payment_confirmation_reference_Z1766053541_notifications.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    4a5488c0dc34126ef7c978aab9e4ea27

    SHA1

    66e3913f8eec6786b192ee3029f4e50e6fdd99d2

    SHA256

    927c1ec57028425590a62950a54593d239266fc51e0e45d4f7b34feef3d7a56d

    SHA512

    3daac84a275fa327851ecb3b7d483cab79c9542b1020bb93a1e50363759992abc88bbb829428c13411e630170bf77440f8bca8e5dae58ae00a07dac1b92560a5

  • C:\Users\Admin\AppData\Local\Temp\nsxB1ED.tmp\System.dll

    Filesize

    12KB

    MD5

    4add245d4ba34b04f213409bfe504c07

    SHA1

    ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    SHA256

    9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    SHA512

    1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

  • memory/3764-14-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-15-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3764-16-0x0000000077D58000-0x0000000077D59000-memory.dmp

    Filesize

    4KB

  • memory/3764-17-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3764-19-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-23-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-27-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3764-28-0x0000000000433000-0x0000000000434000-memory.dmp

    Filesize

    4KB

  • memory/3764-29-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-30-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-31-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-32-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-33-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-34-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-35-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-36-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-37-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-38-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-39-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-40-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-43-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-44-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-45-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-46-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-47-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-48-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-49-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-50-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-51-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-52-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-53-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-54-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-55-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-56-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-57-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-58-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-60-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-62-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-63-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-64-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-65-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-66-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-67-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-68-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-69-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-71-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-73-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-74-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-75-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-76-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-77-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-78-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-79-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-80-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-81-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-82-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-84-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-85-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-86-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-89-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3764-91-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-92-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-93-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-94-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-95-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-96-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-97-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-100-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-101-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-102-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-103-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-104-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-105-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-106-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-107-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-108-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-109-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-110-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-111-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-112-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-113-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-114-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-115-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-116-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-117-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/3764-118-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/4368-12-0x0000000077CD1000-0x0000000077DF1000-memory.dmp

    Filesize

    1.1MB

  • memory/4368-13-0x0000000075175000-0x0000000075176000-memory.dmp

    Filesize

    4KB