General

  • Target

    22052024_1742_22052024_CDE_2049084470 - Copy.Tar

  • Size

    850KB

  • Sample

    240522-waarpsag62

  • MD5

    57ff5862ba564035efd6db04aa017c85

  • SHA1

    35840d6b9e3e72101858f11732e4968ccc688825

  • SHA256

    a2d5da2dfcffcb6e9abcf4fe9186d506f0fca5425a59f95d55c42c0db5a246c4

  • SHA512

    214e18ca57535125da7826e193d373664d6234bf7c6f837072fe8edf89e5a0d2e9272a00b1ccd513ef157aaf07484a21959d72f2ac9a0774c726f6618222da53

  • SSDEEP

    24576:yX8MYu6sOVNb7k7RfSZ3M8HRMQJ4vNu7XTS:ySLsOVR7yfQ3My4vD

Malware Config

Extracted

Family

remcos

Botnet

DodoCrypt

C2

172.208.52.39:5404

172.208.52.39:5403

172.208.52.39:5402

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    xvxx.dat

  • keylog_flag

    false

  • keylog_path

    %UserProfile%

  • mouse_option

    false

  • mutex

    roasazxasasacvxzx-FQHYSN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      CDE_2049084470_PDF.cmd

    • Size

      4.3MB

    • MD5

      5195a3d6627e770e3324548c567c8472

    • SHA1

      125ff038969a23bfff04b9af006837b594548bee

    • SHA256

      72fc83042393e2a055a3a10e1ee35367957aa2ed02be67ca61e472ddf16a42cc

    • SHA512

      8d1cb56fac1c5a884d9bec97b13742d3419f5923e6c909368ea55a7bfcd2d2ca18cd9be16bdfd69e3cc861d1e97fbcb68dfe711cebfaaa7c057c8fdc4cf09227

    • SSDEEP

      24576:WakXdieqvCLukUWOJWEs2UK1lxu223QJyTBDJYBHX063u9ipNimFDp:WaMd4v4ui+Fs2F23QJeN+HzpNimFDp

    • Remcos

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks