Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 00:29

General

  • Target

    aade455507f667318c83c42a95b3fc3c_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    aade455507f667318c83c42a95b3fc3c

  • SHA1

    92efbfe4546ddee6a5807a5794adea2f440cf107

  • SHA256

    b774d45c6788cc48716eee3e81002e5b74996a3c2610967f3d19115646ca4d6a

  • SHA512

    f3a719f289a06b7bda717c56ddc4319bcd9c5f82eebe815f6923635f630f2940efa5cf8298d94117e0ef2470225deecaf3641e96b63cf47b3767a6aa5a772ffd

  • SSDEEP

    49152:Xe8CI/Zr5B6t4JP24kCvC/J3iSI3AvYwnuSg:O8CI/V6ta+9CmZJvYw

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

lplazadtemins.duckdns.org:443

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-NLSDTO

  • 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

    notepad;solitaire;

Signatures

  • Detect ZGRat V1 1 IoCs
  • Remcos

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

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aade455507f667318c83c42a95b3fc3c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aade455507f667318c83c42a95b3fc3c_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\aade455507f667318c83c42a95b3fc3c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\aade455507f667318c83c42a95b3fc3c_JaffaCakes118.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:224

Network

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\remcos\logs.dat
    Filesize

    148B

    MD5

    741f42745981fa96cab4b0ffec136795

    SHA1

    633ec14ab06fbfae81dc2aa372d9d8bb3fda1af7

    SHA256

    0904eac72d2d439ce60dc15c2e55e47bb158935585f1e2d0fffff3e4c8b354e7

    SHA512

    c332ebd8b46e07970712022ad7b2d51b372a05f9d3d6f2faf3a238b8e15038c91b638c05b94c84fef25eda4fe48b5a22aaf8398b31d80d7147fa6c49a5cef7c4

  • memory/224-12-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-37-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-42-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-36-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-30-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-29-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-8-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-10-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-11-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-15-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-43-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-24-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-22-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-17-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-16-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/224-23-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1804-2-0x0000000003150000-0x0000000003160000-memory.dmp
    Filesize

    64KB

  • memory/1804-1-0x0000000075320000-0x0000000075AD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1804-7-0x0000000005C60000-0x0000000005CB0000-memory.dmp
    Filesize

    320KB

  • memory/1804-5-0x0000000003150000-0x0000000003160000-memory.dmp
    Filesize

    64KB

  • memory/1804-4-0x0000000075320000-0x0000000075AD0000-memory.dmp
    Filesize

    7.7MB

  • memory/1804-0-0x0000000000A00000-0x0000000000BB2000-memory.dmp
    Filesize

    1.7MB

  • memory/1804-3-0x0000000005580000-0x00000000056F8000-memory.dmp
    Filesize

    1.5MB

  • memory/1804-13-0x0000000075320000-0x0000000075AD0000-memory.dmp
    Filesize

    7.7MB