Analysis

  • max time kernel
    79s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2022 12:51

General

  • Target

    SecuriteInfo.com.Variant.Jaik.98838.12794.exe

  • Size

    754KB

  • MD5

    6522609f236e7417c916912de37cc6d5

  • SHA1

    96b6ae7d458d7aa64850ad1f55cf75257de99cf9

  • SHA256

    80bcc0545453675c158ec5a212ffe54e9aecd9c19adb4321f2d61f736e75e495

  • SHA512

    00ecc21c1bbed3eb6cb2c40b15f7a2d3729bd8fe6b1a81c00c926e59628d583e2958a2f96bde7dbf51b45d9e5394ca7c689df2123791311527ee67a3478ca560

  • SSDEEP

    12288:dMtnZYA3k+tEeWqFZip4Be+GA7Pes9q1ia9r0vYe+mY6Q4eYrP:WZY5+tEeWqFZip4B57Pd9qlqC6Q

Malware Config

Extracted

Family

remcos

Botnet

DUCKDOMAIN-FILE

C2

dapsan.duckdns.org:2404

www.dapsan.biz:2404

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-BERTBE

  • 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

Signatures

  • 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 62 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Jaik.98838.12794.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Jaik.98838.12794.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\msiexec.exe
      C:\Windows\System32\msiexec.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 372
        3⤵
        • Program crash
        PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/560-120-0x0000000000000000-mapping.dmp
  • memory/560-132-0x0000000010590000-0x0000000010613000-memory.dmp
    Filesize

    524KB

  • memory/560-134-0x0000000000B10000-0x0000000000B90000-memory.dmp
    Filesize

    512KB

  • memory/900-54-0x0000000075571000-0x0000000075573000-memory.dmp
    Filesize

    8KB

  • memory/900-55-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-57-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-58-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-59-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-60-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-61-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-63-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-62-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-64-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-65-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-66-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-67-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-68-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-69-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-70-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-71-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-73-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-72-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-74-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-75-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-77-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-76-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-78-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-79-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-80-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-81-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-82-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-83-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-84-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-86-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-87-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-85-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-88-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-89-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-91-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-90-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-92-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-93-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-94-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-95-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-96-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-98-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-97-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-99-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-100-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-104-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-103-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-102-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-101-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-105-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-106-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-107-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-108-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-110-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-109-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-112-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-111-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-113-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-114-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-116-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-117-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/900-115-0x0000000000370000-0x000000000039A000-memory.dmp
    Filesize

    168KB

  • memory/1712-131-0x0000000000000000-mapping.dmp