General

  • Target

    488f8d9de535475e4a901c033199ea0c.bin

  • Size

    1.2MB

  • Sample

    240405-blvk2agf89

  • MD5

    ad268279bb4bc308b4dda3c65b4f0e13

  • SHA1

    df7b96eff2d2077d2e5da73926c8fb3eb3e14e43

  • SHA256

    9bcbc863c3859f0014142f9b338f8cfd80a835e50206ab52c1fcb8c8c25563dc

  • SHA512

    c3260e7f8b21fbb4119e638ea7edc41dc2021142abccb6dc7484f8e9bd693b81057561d3cd32a39a90b34142965937d41305e633c6a72c68c14c04ca3ca054c7

  • SSDEEP

    24576:WGwAcF6YXA7hVkF5Sww6TM6rye0oE0sQskicOssnSU/xQS97V3AnC:jcF6YQTkFU6w6rz5RsQsTQsS2SS97eC

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

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-I8N3XG

  • 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

      67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe

    • Size

      1.6MB

    • MD5

      488f8d9de535475e4a901c033199ea0c

    • SHA1

      3bda45e062fdc55823d9ceb71d0575df1e6ffd9e

    • SHA256

      67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518

    • SHA512

      58c0bb1af9b495f4c20a518d158f35a96d3f51dbb026b7fc40572a212dd7f05221f11efa995ef10199d32f970a308ea25407b77d307eeed06bd91b897ddbc4a4

    • SSDEEP

      49152:ay6imwGhfj4GBT2z95Zw/L+gwnzBnwyuPTh:azimw4f8iSuD+g

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • 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

System Information Discovery

1
T1082

Tasks