Overview

overview

10

Static

static

3

Tax Organizer.exe

windows7-x64

10

Tax Organizer.exe

windows10-2004-x64

msimg32.dll

windows7-x64

10

msimg32.dll

windows10-2004-x64

Sharing

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General

  • Target

    2022and2023TaxDocuments.zip

  • Size

    19.8MB

  • Sample

    240524-rs4qaahb5s

  • MD5

    0936e3826a329f3e897ea4018bc6ce3b

  • SHA1

    21b792de20e31dde09df25e35f5abb27654a6624

  • SHA256

    8f395dc9ca7802646cec0791fa6272449371c9ec9867448a004067f2a243d8ce

  • SHA512

    ef2b9c8a30a5a8833580c5ad9a3496cd3926fdac71414fe68e25e4d883544011f590eb7b26656867672f2506537c458ee948472107894e4b0fd6bdbdf4947705

  • SSDEEP

    393216:uUKsNTeHCWNRWHvOuC3GYAkemATX84qc4dUq5RAbncvXUULedMtXM1:IxNAHvDCWX840dUq5KQPUjdd

Score
10/10
hawkeyeremcosremotehostkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

deytrycooldown.duckdns.org:7070

Attributes
  • audio_folder

    MicRecords

  • 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-TYSCJG

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Tax Organizer.exe

    • Size

      6.1MB

    • MD5

      4864a55cff27f686023456a22371e790

    • SHA1

      6ed30c0371fe167d38411bfa6d720fcdcacc4f4c

    • SHA256

      08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2

    • SHA512

      4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb

    • SSDEEP

      98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz

    Score
    10/10
    remcosremotehostpersistencerathawkeyekeyloggerspywarestealertrojan

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

      keyloggertrojanstealerspywarehawkeye

    • Remcos

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

      ratremcos

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    behavioral1behavioral2

    • Target

      msimg32.dll

    • Size

      45.1MB

    • MD5

      2b0cd6422137c4f1c4496305467b95c4

    • SHA1

      a4ede1255abdda3fc27347fc46a0b3b9fd963972

    • SHA256

      d9ffb32f33d1f16ca20346890449d410edb025a631f40b277c692474ba0c0318

    • SHA512

      b1e8e238ccabf4be29d862d49191345a52310be178b1eb3b305cb2277877f948c14860a9fb95df1b93b6a01bb234217cc7cddedbd3ebdcd1e92b7ff05dd1a0a6

    • SSDEEP

      786432:oUP7GCGO7t0Srkx/tC0SzIdSwh/WxbpNHQD3trzRp2:oUP7GCG6iSrkx1hSzYsHQD3t/RY

    Score
    10/10
    remcosremotehostrat

    • Remcos

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

      ratremcos

    • Suspicious use of NtCreateThreadExHideFromDebugger

    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks