Overview

overview

10

Static

static

3

2025-04-04...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    104s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 21:27

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General

  • Target

    2025-04-04_ce41fef45c3add8535e684ac28f408ea_amadey_remcos_smoke-loader.exe

  • Size

    2.0MB

  • MD5

    ce41fef45c3add8535e684ac28f408ea

  • SHA1

    e72cd6d6949bdad6c15f9af01a21476e16b2f6ff

  • SHA256

    97aaada1264b8f2e044885248d8023caf084924ff4512cc9b617d239fea38a86

  • SHA512

    9dcbc88dcfb53f119dae18a380c60119a86dbe4105fa53805c449abd60cc40eb5dfa06e97069c12b9346e89cc94c5cf75eb31e7163671cf354eba67782876371

  • SSDEEP

    49152:yNiymhM+pnfth6N4ksLQkkIVyO2mS6hxDF4OnQn/8BF6fvyiUMBgd:yNiyx+pnVQsLQE2H6rDF4OnQn/8T6Xyf

Score
10/10
salitybackdoordefense_evasiondiscoverytrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
    defense_evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • Sality family
    sality
  • UAC bypass 3 TTPs 1 IoCs
    defense_evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    defense_evasiontrojan
  • Windows security modification 2 TTPs 7 IoCs
    defense_evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • UPX packed file 9 IoCs

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

    upx
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3168
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3192
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3252
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3588
                  • C:\Users\Admin\AppData\Local\Temp\2025-04-04_ce41fef45c3add8535e684ac28f408ea_amadey_remcos_smoke-loader.exe
                    "C:\Users\Admin\AppData\Local\Temp\2025-04-04_ce41fef45c3add8535e684ac28f408ea_amadey_remcos_smoke-loader.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1052
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3700
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3896
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3992
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4084
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4012
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4380
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:64
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                1⤵
                                  PID:4644
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:644

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • memory/1052-0-0x0000000000400000-0x00000000005FD000-memory.dmp

                                    Filesize

                                    2.0MB

                                    Download

                                  • memory/1052-5-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-1-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-4-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-7-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-11-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-6-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-10-0x0000000000850000-0x0000000000851000-memory.dmp

                                    Filesize

                                    4KB

                                    Download

                                  • memory/1052-9-0x0000000000840000-0x0000000000842000-memory.dmp

                                    Filesize

                                    8KB

                                    Download

                                  • memory/1052-3-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-22-0x0000000000400000-0x00000000005FD000-memory.dmp

                                    Filesize

                                    2.0MB

                                    Download

                                  • memory/1052-18-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/1052-8-0x0000000002550000-0x00000000035DE000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download