Analysis

  • max time kernel
    88s
  • max time network
    106s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/03/2024, 10:32

General

  • Target
    633f529507c1b10770ee864e3799d15cd187138a7998f313ab080ad646012573.exe
  • Size 204KB
  • Sample240329-mlbcyafg48
  • SHA256 633f529507c1b10770ee864e3799d15cd187138a7998f313ab080ad646012573
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://trad-einmyus.com/index.php

  • http://tradein-myus.com/index.php

  • http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 5.42.65.0:29587

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 9 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\633f529507c1b10770ee864e3799d15cd187138a7998f313ab080ad646012573.exe
    "C:\Users\Admin\AppData\Local\Temp\633f529507c1b10770ee864e3799d15cd187138a7998f313ab080ad646012573.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4656
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A180.bat" "
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
      2⤵
        PID:1092
    • C:\Users\Admin\AppData\Local\Temp\26BE.exe
      C:\Users\Admin\AppData\Local\Temp\26BE.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4936
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 848
          2⤵
          • Program crash
          PID:4804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4980 -ip 4980
        1⤵
          PID:2292
        • C:\Users\Admin\AppData\Local\Temp\5C08.exe
          C:\Users\Admin\AppData\Local\Temp\5C08.exe
          1⤵
          • Executes dropped EXE
          PID:4204
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5E0C.bat" "
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:2428
          • C:\Windows\system32\reg.exe
            reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
            2⤵
              PID:1588
          • C:\Users\Admin\AppData\Local\Temp\8C22.exe
            C:\Users\Admin\AppData\Local\Temp\8C22.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:648
            • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
              C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
              2⤵
                PID:2196
            • C:\Users\Admin\AppData\Local\Temp\978D.exe
              C:\Users\Admin\AppData\Local\Temp\978D.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3836
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell -nologo -noprofile
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:836
              • C:\Users\Admin\AppData\Local\Temp\978D.exe
                "C:\Users\Admin\AppData\Local\Temp\978D.exe"
                2⤵
                  PID:3108
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    powershell -nologo -noprofile
                    3⤵
                      PID:2084
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
                      3⤵
                        PID:1600
                        • C:\Windows\system32\netsh.exe
                          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
                          4⤵
                          • Modifies Windows Firewall
                          PID:8
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                        powershell -nologo -noprofile
                        3⤵
                          PID:3644
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell -nologo -noprofile
                          3⤵
                            PID:2888
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                        • Modifies Installed Components in the registry
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        PID:2872
                      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                        1⤵
                          PID:3408
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:2468
                          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                            1⤵
                              PID:4548
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                              1⤵
                                PID:1616
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                                1⤵
                                  PID:4020

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      DiscoverCacheData.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                                      • Size 1022B
                                      • SHA256 36f27281c6c0310624184eec14b8886c18a09b0bd2caf6420961c43ab2e1d730
                                      • MD5 SHA1 SHA512

                                      EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118A

                                      • Path C:\Users\Admin\AppData\Local\Packages\microsoftwindows.client.cbs_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118A
                                      • Size 312B
                                      • SHA256 89571247f878b30bdcd3db918f0ec2c42865fdde231b885087719c5ba470207c
                                      • MD5 SHA1 SHA512

                                      EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118A

                                      • Path C:\Users\Admin\AppData\Local\Packages\microsoftwindows.client.cbs_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118A
                                      • Size 404B
                                      • SHA256 2debd3b656d71f7bace0e9bb3fcdecec44ec8f9f4f1ce76c0555d1ea7eccd758
                                      • MD5 SHA1 SHA512

                                      www.bing[1].xml

                                      • Path C:\Users\Admin\AppData\Local\Packages\microsoftwindows.client.cbs_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\A2HK19T5\www.bing[1].xml
                                      • Size 2KB
                                      • SHA256 e08d77f00aa0d4fe21c128f96061c68bfdfd48759eefa40dd86a3b26c67ffa40
                                      • MD5 SHA1 SHA512

                                      26BE.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\26BE.exe
                                      • Size 392KB
                                      • SHA256 da1e155c46ca6b23409d059b6d85341c0b86c92d2c69dbda85eef3894313662d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      5C08.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\5C08.exe
                                      • Size 6.5MB
                                      • SHA256 4a40f9d491f09521f4b0c6076a0eb488f6d8e1cf4b67aa6569c2ccce13556443
                                      • MD5 SHA1 SHA512 SSDEEP

                                      8C22.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\8C22.exe
                                      • Size 30.6MB
                                      • SHA256 2f625ea35f82332c639049c4a849f39cd2b74acb013880d156a2f647497c2512
                                      • MD5 SHA1 SHA512 SSDEEP

                                      978D.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\978D.exe
                                      • Size 4.1MB
                                      • SHA256 7a61ec57a9de30633d3d8d8ce8708cc5c68179c2d42dd49dff3412914b9e52d5
                                      • MD5 SHA1 SHA512 SSDEEP

                                      A180.bat

                                      • Path C:\Users\Admin\AppData\Local\Temp\A180.bat
                                      • Size 77B
                                      • SHA256 d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
                                      • MD5 SHA1 SHA512

                                      __PSScriptPolicyTest_lgc5pa2s.j53.ps1

                                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lgc5pa2s.j53.ps1
                                      • Size 60B
                                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                      • MD5 SHA1 SHA512

                                      powershell.exe.log

                                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
                                      • Size 2KB
                                      • SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
                                      • MD5 SHA1 SHA512

                                      StartupProfileData-Interactive

                                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                                      • Size 19KB
                                      • SHA256 ab3943ea5714e334bcc61b3d608eb140354da9439f7ea67642f946a3e7ac5d03
                                      • MD5 SHA1 SHA512 SSDEEP

                                      StartupProfileData-Interactive

                                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                                      • Size 19KB
                                      • SHA256 07529462b446cbf5a972b5d9f44465be8b61390cdb9fab8b846242d1d957f0b8
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/648-412-0x00007FF657B90000-0x00007FF659ADC000-memory.dmp

                                      memory/648-288-0x00007FF657B90000-0x00007FF659ADC000-memory.dmp

                                      memory/2196-409-0x0000000000CC0000-0x0000000000D0B000-memory.dmp

                                      memory/2196-406-0x0000000000CC0000-0x0000000000D0B000-memory.dmp

                                      memory/3108-431-0x0000000000400000-0x0000000000D1C000-memory.dmp

                                      memory/3304-230-0x0000000001550000-0x0000000001551000-memory.dmp

                                      memory/3304-4-0x0000000001520000-0x0000000001536000-memory.dmp

                                      memory/4020-411-0x00000184F4520000-0x00000184F4540000-memory.dmp

                                      memory/4200-37-0x0000000006610000-0x0000000006C28000-memory.dmp

                                      memory/4200-41-0x0000000005810000-0x000000000584C000-memory.dmp

                                      memory/4200-42-0x00000000059B0000-0x00000000059FC000-memory.dmp

                                      memory/4200-43-0x00000000060C0000-0x0000000006126000-memory.dmp

                                      memory/4200-44-0x0000000007220000-0x00000000073E2000-memory.dmp

                                      memory/4200-45-0x0000000008030000-0x000000000855C000-memory.dmp

                                      memory/4200-46-0x00000000076F0000-0x0000000007740000-memory.dmp

                                      memory/4200-48-0x00000000748A0000-0x0000000075051000-memory.dmp

                                      memory/4200-39-0x00000000057B0000-0x00000000057C2000-memory.dmp

                                      memory/4200-38-0x00000000058A0000-0x00000000059AA000-memory.dmp

                                      memory/4200-36-0x00000000748A0000-0x0000000075051000-memory.dmp

                                      memory/4200-35-0x00000000055D0000-0x00000000055DA000-memory.dmp

                                      memory/4200-34-0x0000000005690000-0x00000000056A0000-memory.dmp

                                      memory/4200-33-0x0000000005530000-0x00000000055C2000-memory.dmp

                                      memory/4200-31-0x0000000005A40000-0x0000000005FE6000-memory.dmp

                                      memory/4200-29-0x0000000000400000-0x0000000000450000-memory.dmp

                                      memory/4204-78-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-97-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-71-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-73-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-70-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-72-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-74-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-75-0x0000000000F20000-0x0000000000F60000-memory.dmp

                                      memory/4204-76-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-77-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-79-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-68-0x0000000000F10000-0x0000000000F11000-memory.dmp

                                      memory/4204-81-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-82-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-83-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-85-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-84-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-80-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-86-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-87-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-88-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-89-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-90-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-91-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-92-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-94-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-95-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-96-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-98-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-69-0x0000000000F70000-0x0000000001C55000-memory.dmp

                                      memory/4204-100-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-99-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-93-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-101-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-102-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-103-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-104-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-106-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-107-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-108-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-105-0x0000000003C30000-0x0000000003D30000-memory.dmp

                                      memory/4204-67-0x0000000000F00000-0x0000000000F01000-memory.dmp

                                      memory/4204-66-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

                                      memory/4204-65-0x0000000000770000-0x0000000000771000-memory.dmp

                                      memory/4204-64-0x0000000000F70000-0x0000000001C55000-memory.dmp

                                      memory/4204-63-0x0000000000740000-0x0000000000741000-memory.dmp

                                      memory/4204-62-0x0000000000720000-0x0000000000721000-memory.dmp

                                      memory/4204-57-0x0000000000F70000-0x0000000001C55000-memory.dmp

                                      memory/4548-319-0x0000029B66F00000-0x0000029B67000000-memory.dmp

                                      memory/4548-320-0x0000029B66980000-0x0000029B669A0000-memory.dmp

                                      memory/4656-5-0x0000000000400000-0x0000000000537000-memory.dmp

                                      memory/4656-3-0x0000000000400000-0x0000000000537000-memory.dmp

                                      memory/4656-2-0x0000000000720000-0x000000000072B000-memory.dmp

                                      memory/4656-1-0x0000000000740000-0x0000000000840000-memory.dmp

                                      memory/4980-40-0x00000000748A0000-0x0000000075051000-memory.dmp

                                      memory/4980-32-0x0000000003460000-0x0000000005460000-memory.dmp

                                      memory/4980-26-0x0000000005910000-0x0000000005911000-memory.dmp

                                      memory/4980-25-0x0000000005B70000-0x0000000005B80000-memory.dmp

                                      memory/4980-24-0x00000000748A0000-0x0000000075051000-memory.dmp

                                      memory/4980-23-0x0000000000EF0000-0x0000000000F54000-memory.dmp