General

  • Target

    AWB774933084407_994348862659707_PDF.exe

  • Size

    2.2MB

  • Sample

    231127-larp4sfe7y

  • MD5

    9fba17c37d37585a3e5f87924371fc1e

  • SHA1

    705e634e3c6e92957276444c453f6aa573bb78d0

  • SHA256

    f65252925f0545a157e29ecc1115fb8ba1b55c5e777fcf8ef6a52cfdd5b0fb25

  • SHA512

    397df116bfad71269b4ebc63d04a00bbe1d2e59b8feac9b008416f8d92735274c6b7e7059d8052c3a0276b7dd12b2ecd9c83aa98dae4ac40b7ce3f00629442a7

  • SSDEEP

    49152:JWPpH8yc0/wU2lpe63ZrxKrVEbRIqiPt41FFehg1mQmPoE:JCpcyV/wjpdZrxEVEtI141qnLPoE

Malware Config

Extracted

Family

remcos

Botnet

Crypted

C2

172.174.245.21:5400

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

    noer.dat

  • keylog_flag

    false

  • keylog_path

    %UserProfile%

  • mouse_option

    false

  • mutex

    rousasi-RW3F58

  • 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

      AWB774933084407_994348862659707_PDF.exe

    • Size

      2.2MB

    • MD5

      9fba17c37d37585a3e5f87924371fc1e

    • SHA1

      705e634e3c6e92957276444c453f6aa573bb78d0

    • SHA256

      f65252925f0545a157e29ecc1115fb8ba1b55c5e777fcf8ef6a52cfdd5b0fb25

    • SHA512

      397df116bfad71269b4ebc63d04a00bbe1d2e59b8feac9b008416f8d92735274c6b7e7059d8052c3a0276b7dd12b2ecd9c83aa98dae4ac40b7ce3f00629442a7

    • SSDEEP

      49152:JWPpH8yc0/wU2lpe63ZrxKrVEbRIqiPt41FFehg1mQmPoE:JCpcyV/wjpdZrxEVEtI141qnLPoE

    • 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

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Tasks