Overview

overview

10

Static

static

3

9073782912,pdf.exe

windows7-x64

10

9073782912,pdf.exe

windows10-2004-x64

7

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/c163.dll

windows7-x64

10

$PLUGINSDIR/c163.dll

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_a9fc803f335632186421fa99723dcf6025f6dc29c1bc6f2a36ee2d120920a842

  • Size

    216KB

  • Sample

    241229-f5t6tstngz

  • MD5

    1ae62d83952e7f4fbe64966711dc1547

  • SHA1

    a4ef1a3f456aeb29f2a6910d2cba6b77553135ac

  • SHA256

    a9fc803f335632186421fa99723dcf6025f6dc29c1bc6f2a36ee2d120920a842

  • SHA512

    239be56c90676f0a062535b062f41566da1ebb033b076d87545740da7f60b5aa4eb1a1568ac91e1bf90229f36be32da303819fd29c4bf407b72d118210038304

  • SSDEEP

    6144:hP46eAKjlqScrRk00t3tXdzoJLiXeL01vF0wcPp:26hKQScrRd0xzoJ2XeL01eHp

Score
10/10
remcosnewdiscoveryrat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

NEW

C2

insidelife1.ddns.net:2123

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-FXFW4N

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      9073782912,pdf.exe

    • Size

      362KB

    • MD5

      a7fcbd96b8a0db116079de4ea0e996d6

    • SHA1

      890e3cc679fbd6e7ab63153e19d3cadfedd6cee0

    • SHA256

      173c70809b04f14f357dde36d17bd02b075dcfdecf0e8cc5c69fb4266e452bb7

    • SHA512

      e9cba770b543daf9c90e856a476aac1c44ea6f892b62ae31ea7c9fb565f7f7f4cee8ef430cf8fa8bd3b995b5a15af063b53d0e963d4c7630111ca37674547b9f

    • SSDEEP

      6144:QBlL/UyTeiB0PJo3zzj9XJkhtXyofdY4Z2M7b2Y2TTzp1K:iDnfj9XmLJbZ2M7b27jK

    Score
    10/10
    remcosnewdiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      10KB

    • MD5

      56a321bd011112ec5d8a32b2f6fd3231

    • SHA1

      df20e3a35a1636de64df5290ae5e4e7572447f78

    • SHA256

      bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

    • SHA512

      5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

    • SSDEEP

      192:uv+cJZE61KRWJQO6tFiUdK7ckK4k7l1XRBm0w+NiHi1GSJ:uf6rtFRduQ1W+fG8

    Score
    3/10
    discovery
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/c163.dll

    • Size

      149KB

    • MD5

      ff92e869d01daa3746d2cec2646ad093

    • SHA1

      8550d250841652780bc92379fadf5a39244bc64e

    • SHA256

      af33fde8b5a9f218f92278d6c1c17e91624242262fa65e9a770fb81b14b42bb4

    • SHA512

      9899011426347267a98ca13c5dda0f20a3d9976e33c0be4aa21d4bfc656d094088403bf9cfb6f443efb4b24748b207a6af0f723bebfc7209baff334cdba16cdb

    • SSDEEP

      3072:+xH0psiSorXyEpuxm/RyCcVAO91YaU5UM7eOFB8MrzItMyq/SB59Hnlf:5pHSmpuxm/RyCcVAOsa87/B8agMySArx

    Score
    10/10
    remcosnewdiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • Suspicious use of SetThreadContext

    behavioral5behavioral6

MITRE ATT&CK Enterprise v15

Tasks