Overview

overview

10

Static

static

5

FAC98656700.exe

windows7-x64

7

FAC98656700.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    nFAC98656700.pdf.tar.zip

  • Size

    1.0MB

  • Sample

    240113-rszrbsbgb6

  • MD5

    59e4bee18793ff9c45a6268bbe11073f

  • SHA1

    a205aea97f83f73a7443a33895be8619d500cc0b

  • SHA256

    4240123d22e3e2623318f278342411e59268a845f1c7c5ce56e2f3cd535eda5e

  • SHA512

    5fef5b7c56ff33855ca64e1658adc8100f612a55183c426b7783af8c01fd957426460d1b9afd42997a5a5f824f86434059fa5af201ceb7e565989b6f02bb0485

  • SSDEEP

    24576:gWoFNPhbYbR2UMsLYtHC0VNV3JzAAsrYLG0uvj34QW8CUNRzE29:wFNPebpCTj1AAdydvT4QW8pr

Score
10/10
remcospccollectionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

PC

C2

107.175.229.139:8087

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-X5MJYU

  • 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

      FAC98656700.CMD

    • Size

      1.6MB

    • MD5

      5daa7319b2aaa040d63ba9075ce08d72

    • SHA1

      410df93e347a277922528daf4aacd09dc301dd59

    • SHA256

      fdf9b8a9bb4b5c3c05290c2687a22b05c3f3ce41800194ffc0a9485fdad307bc

    • SHA512

      cf869b9abc6ef55a10765ef77d0dc34ec44e614991a881216ba5eac7491c118e578d585dd5835b1eaf24a2812143ccaf7d655bc8a5ae965b9ceb44c91ab5fcc3

    • SSDEEP

      49152:oTvC/MTQYxsWR7aKHgqKs31lHJ7MLdNXAcvYVzl04s8Z:gjTQYxsWRNHgqKs31lHJ7MBlxYzeI

    Score
    10/10
    remcospccollectionpersistencerat

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks