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Overview

overview

10

Static

static

10

043c2ea747...2d.exe

windows7-x64

10

043c2ea747...2d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 02:01

Sharing

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General

  • Target

    043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe

  • Size

    233KB

  • MD5

    b0e371680c2c465a447d8cb4ad0ffa57

  • SHA1

    b622b7dfb03b70219fe047abd365fe88a4316394

  • SHA256

    043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d

  • SHA512

    b6956d170613bfae4afb1754bf9a2bdcc8ebce5a4e4c2d8052921a929969bf67f8defa8ad6f396fedf45dfd65d70e19bbe2998f49b6f16bb3167b392fb231577

  • SSDEEP

    6144:4mvl3n8iOiB4RBucKa3h80tK2gBWvADGGw6j1:tvlX8i8RB5JvADGGnj

Score
10/10
remcoschukratupx

Malware Config

Extracted

Family

remcos

Botnet

chuk

C2

mexbar.duckdns.org:3119

chukwuonye.duckdns.org:3241
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-S6EIWK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

    ratremcos
  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 14 IoCs
  • UPX dump on OEP (original entry point) 15 IoCs
  • UPX packed file 15 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe
    "C:\Users\Admin\AppData\Local\Temp\043c2ea7473300aeef75d4347969ea2c54784e16892fb535b293b9dddb32b02d.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4048

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat
    Filesize

    144B

    MD5

    270f2c3d96a2e605a9d6252cd4237a1e

    SHA1

    8a9d67da5cb448e417ac2e389d6d47140ad27058

    SHA256

    f35270dffc9a0b2141236e8e7615c25c2d16498c1a20775dbeb23d3ee8cb7cd4

    SHA512

    2cde61498523edc01d8770ec5593fa518e21febb387a7220fe99d8a596aaf27cabc76d21c36a3606d0ed0e336ed08b8073f9ee60b3c4896846426499dd5afa99

    Download Submit

  • memory/4048-21-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-30-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-3-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-9-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-11-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-15-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-6-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-23-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-18-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-27-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-32-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-35-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-39-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download

  • memory/4048-42-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

    Download