Analysis

  • max time kernel
    151s
  • max time network
    116s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    29-09-2021 03:16

General

  • Target

    f8c9d11a8316183bc3c137f9e1d452c7.exe

  • Size

    233KB

  • MD5

    f8c9d11a8316183bc3c137f9e1d452c7

  • SHA1

    a32a7b8ca21bc1da2ccd397e88fcb589b41a81e4

  • SHA256

    897bb67dac34904d72e20fb6b62feb31c86575107563db56535c38d81eec56aa

  • SHA512

    0e5435387b765b38f3f3198b1a1a13c66cecb791129becb7187a1b3bfa98d603b3923f92e8ff1bb26ca69151c1fcb9ea4c1ea0d95492f14d552861fcb8102ae8

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

777777

C2

193.56.146.60:18243

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 3 IoCs
  • ServHelper

    ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • Windows security bypass 2 TTPs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Nirsoft 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Modifies RDP port number used by Windows 1 TTPs
  • Sets DLL path for service in the registry 2 TTPs
  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 18 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.

  • Windows security modification 2 TTPs 10 IoCs
  • 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.

  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 21 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8c9d11a8316183bc3c137f9e1d452c7.exe
    "C:\Users\Admin\AppData\Local\Temp\f8c9d11a8316183bc3c137f9e1d452c7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\f8c9d11a8316183bc3c137f9e1d452c7.exe
      "C:\Users\Admin\AppData\Local\Temp\f8c9d11a8316183bc3c137f9e1d452c7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2844
  • C:\Users\Admin\AppData\Local\Temp\F831.exe
    C:\Users\Admin\AppData\Local\Temp\F831.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hcchis5z\hcchis5z.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2C60.tmp" "c:\Users\Admin\AppData\Local\Temp\hcchis5z\CSC324DF17B7D51471D8A17B1F4F4E46C8.TMP"
          4⤵
            PID:2752
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
            PID:4292
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            3⤵
              PID:600
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
              3⤵
                PID:5084
              • C:\Windows\SysWOW64\reg.exe
                "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
                3⤵
                  PID:5056
                • C:\Windows\SysWOW64\reg.exe
                  "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
                  3⤵
                  • Modifies registry key
                  PID:2692
                • C:\Windows\SysWOW64\reg.exe
                  "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
                  3⤵
                    PID:1272
                  • C:\Windows\SysWOW64\net.exe
                    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                    3⤵
                      PID:2380
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                        4⤵
                          PID:2268
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                        3⤵
                          PID:3548
                          • C:\Windows\SysWOW64\cmd.exe
                            cmd /c net start rdpdr
                            4⤵
                              PID:3248
                              • C:\Windows\SysWOW64\net.exe
                                net start rdpdr
                                5⤵
                                  PID:4056
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 start rdpdr
                                    6⤵
                                      PID:4180
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                                3⤵
                                  PID:4168
                                  • C:\Windows\SysWOW64\cmd.exe
                                    cmd /c net start TermService
                                    4⤵
                                      PID:4292
                                      • C:\Windows\SysWOW64\net.exe
                                        net start TermService
                                        5⤵
                                          PID:5068
                                          • C:\Windows\SysWOW64\net1.exe
                                            C:\Windows\system32\net1 start TermService
                                            6⤵
                                              PID:4244
                                      • C:\Windows\SysWOW64\cmd.exe
                                        "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                                        3⤵
                                          PID:296
                                        • C:\Windows\SysWOW64\cmd.exe
                                          "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                                          3⤵
                                            PID:3156
                                      • C:\Users\Admin\AppData\Local\Temp\FB7E.exe
                                        C:\Users\Admin\AppData\Local\Temp\FB7E.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Windows security modification
                                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                                        • Suspicious use of SetThreadContext
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:2788
                                        • C:\Users\Admin\AppData\Local\Temp\8d48157d-aa2a-4fd9-8d79-259495533ba8\AdvancedRun.exe
                                          "C:\Users\Admin\AppData\Local\Temp\8d48157d-aa2a-4fd9-8d79-259495533ba8\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\8d48157d-aa2a-4fd9-8d79-259495533ba8\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                                          2⤵
                                          • Executes dropped EXE
                                          • Suspicious use of AdjustPrivilegeToken
                                          • Suspicious use of WriteProcessMemory
                                          PID:3428
                                          • C:\Users\Admin\AppData\Local\Temp\8d48157d-aa2a-4fd9-8d79-259495533ba8\AdvancedRun.exe
                                            "C:\Users\Admin\AppData\Local\Temp\8d48157d-aa2a-4fd9-8d79-259495533ba8\AdvancedRun.exe" /SpecialRun 4101d8 3428
                                            3⤵
                                            • Executes dropped EXE
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:3556
                                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FB7E.exe" -Force
                                          2⤵
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:3952
                                        • C:\Users\Admin\AppData\Local\Temp\FB7E.exe
                                          "C:\Users\Admin\AppData\Local\Temp\FB7E.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:3660
                                        • C:\Users\Admin\AppData\Local\Temp\FB7E.exe
                                          "C:\Users\Admin\AppData\Local\Temp\FB7E.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:3748
                                        • C:\Users\Admin\AppData\Local\Temp\FB7E.exe
                                          "C:\Users\Admin\AppData\Local\Temp\FB7E.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          PID:3996
                                      • C:\Users\Admin\AppData\Local\Temp\13C9.exe
                                        C:\Users\Admin\AppData\Local\Temp\13C9.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Loads dropped DLL
                                        • Enumerates connected drives
                                        • Modifies system certificate store
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:2392
                                        • C:\Windows\SysWOW64\msiexec.exe
                                          "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management 1.7.3.2\install\97C955F\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\13C9.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1632885205 " AI_EUIMSI=""
                                          2⤵
                                          • Enumerates connected drives
                                          • Suspicious use of FindShellTrayWindow
                                          PID:2900
                                      • C:\Windows\system32\msiexec.exe
                                        C:\Windows\system32\msiexec.exe /V
                                        1⤵
                                        • Enumerates connected drives
                                        • Drops file in Windows directory
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:1552
                                        • C:\Windows\syswow64\MsiExec.exe
                                          C:\Windows\syswow64\MsiExec.exe -Embedding 75BFF344F2002A54A2CE62AA4EC51AEE C
                                          2⤵
                                          • Loads dropped DLL
                                          PID:3660
                                        • C:\Windows\syswow64\MsiExec.exe
                                          C:\Windows\syswow64\MsiExec.exe -Embedding EF6EC7FB3906C86C6CD118178943804F
                                          2⤵
                                          • Loads dropped DLL
                                          PID:2860
                                        • C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe
                                          "C:\Users\Admin\AppData\Roaming\DB Software Laboratory\Svn Syncronize Management\disksyncer.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Drops startup file
                                          • Loads dropped DLL
                                          PID:4552
                                      • C:\Users\Admin\AppData\Local\Temp\1F82.exe
                                        C:\Users\Admin\AppData\Local\Temp\1F82.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Loads dropped DLL
                                        PID:3508
                                        • C:\Windows\SysWOW64\cmd.exe
                                          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\1F82.exe"
                                          2⤵
                                            PID:4020
                                            • C:\Windows\SysWOW64\timeout.exe
                                              timeout /T 10 /NOBREAK
                                              3⤵
                                              • Delays execution with timeout.exe
                                              PID:4648

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/600-826-0x000000007F010000-0x000000007F011000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/600-800-0x00000000073D0000-0x00000000073D1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/600-801-0x00000000073D2000-0x00000000073D3000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2276-117-0x0000000000030000-0x0000000000039000-memory.dmp

                                          Filesize

                                          36KB

                                        • memory/2360-185-0x00000000045D2000-0x00000000045D3000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-299-0x00000000045D3000-0x00000000045D4000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-364-0x0000000008C60000-0x0000000008C61000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-226-0x0000000009250000-0x0000000009251000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-184-0x00000000045D0000-0x00000000045D1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-228-0x0000000008970000-0x0000000008971000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-262-0x00000000067B0000-0x00000000067B1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2360-1488-0x000000007ECE0000-0x000000007ECE1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-147-0x0000000005A64000-0x0000000005A65000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-144-0x0000000008650000-0x0000000008651000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-146-0x0000000005A63000-0x0000000005A64000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-145-0x0000000005A62000-0x0000000005A63000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-143-0x0000000005A60000-0x0000000005A61000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-142-0x0000000000400000-0x0000000000C64000-memory.dmp

                                          Filesize

                                          8.4MB

                                        • memory/2756-141-0x0000000001650000-0x0000000001A52000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/2756-140-0x00000000068A0000-0x00000000068A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-139-0x0000000003540000-0x0000000003541000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2756-136-0x0000000005E80000-0x000000000627F000-memory.dmp

                                          Filesize

                                          4.0MB

                                        • memory/2788-128-0x00000000054C0000-0x00000000054C1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2788-129-0x0000000005420000-0x0000000005499000-memory.dmp

                                          Filesize

                                          484KB

                                        • memory/2788-130-0x0000000005A60000-0x0000000005A61000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2788-125-0x0000000000010000-0x0000000000011000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2788-127-0x0000000004990000-0x0000000004991000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2844-115-0x0000000000400000-0x0000000000409000-memory.dmp

                                          Filesize

                                          36KB

                                        • memory/3040-118-0x0000000000D30000-0x0000000000D46000-memory.dmp

                                          Filesize

                                          88KB

                                        • memory/3508-323-0x0000000000400000-0x0000000000493000-memory.dmp

                                          Filesize

                                          588KB

                                        • memory/3508-322-0x0000000002110000-0x00000000021A0000-memory.dmp

                                          Filesize

                                          576KB

                                        • memory/3952-178-0x00000000078A0000-0x00000000078A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-214-0x00000000090C0000-0x00000000090F3000-memory.dmp

                                          Filesize

                                          204KB

                                        • memory/3952-216-0x000000007E2E0000-0x000000007E2E1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-164-0x0000000004732000-0x0000000004733000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-166-0x0000000006F40000-0x0000000006F41000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-252-0x0000000004733000-0x0000000004734000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-163-0x0000000004730000-0x0000000004731000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-239-0x00000000093E0000-0x00000000093E1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-227-0x0000000008E90000-0x0000000008E91000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-189-0x00000000081D0000-0x00000000081D1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-167-0x0000000006FE0000-0x0000000006FE1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-156-0x00000000045F0000-0x00000000045F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-172-0x0000000007B20000-0x0000000007B21000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-237-0x00000000091F0000-0x00000000091F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3952-157-0x0000000007120000-0x0000000007121000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-160-0x00000000058D0000-0x00000000058D1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-162-0x0000000005490000-0x0000000005491000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-161-0x0000000005360000-0x0000000005361000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-361-0x00000000072A0000-0x00000000072A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-320-0x0000000007350000-0x0000000007351000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-318-0x0000000006C50000-0x0000000006C51000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-181-0x00000000052C0000-0x00000000058C6000-memory.dmp

                                          Filesize

                                          6.0MB

                                        • memory/3996-151-0x0000000000400000-0x0000000000422000-memory.dmp

                                          Filesize

                                          136KB

                                        • memory/3996-169-0x0000000005400000-0x0000000005401000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/3996-165-0x00000000053C0000-0x00000000053C1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4292-568-0x000000007E9D0000-0x000000007E9D1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4292-398-0x0000000006B32000-0x0000000006B33000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4292-396-0x0000000006B30000-0x0000000006B31000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5084-1125-0x000000007F2C0000-0x000000007F2C1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5084-1056-0x00000000073C2000-0x00000000073C3000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/5084-1055-0x00000000073C0000-0x00000000073C1000-memory.dmp

                                          Filesize

                                          4KB