Analysis

  • max time kernel
    151s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24-09-2021 17:28

General

  • Target

    39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b.exe

  • Size

    287KB

  • MD5

    7db925ca083865c068baed7947c2b4a1

  • SHA1

    d8e12bfbb94aa19360ee64198c55127fa3f961cb

  • SHA256

    39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b

  • SHA512

    7605409d310d462d85414145d25470140177434d20daaf7a2850c11fc58915ad6324f1f22a4a6f34d39e8bc192224f71dd1c68a52a795e7df2e5f1a56071005a

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

545

C2

147.124.212.128:45499

Extracted

Family

raccoon

Botnet

f6d7183c9e82d2a9b81e6c0608450aa66cefb51f

Attributes
  • url4cnc

    https://t.me/justoprostohello

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.

  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • 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.

  • 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
  • Loads dropped DLL 6 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.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b.exe
    "C:\Users\Admin\AppData\Local\Temp\39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\AppData\Local\Temp\39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b.exe
      "C:\Users\Admin\AppData\Local\Temp\39f4195b8a8516a361343c641b3343bbf870abc69f7f734105f29df6f630d37b.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:888
  • C:\Users\Admin\AppData\Local\Temp\DDF7.exe
    C:\Users\Admin\AppData\Local\Temp\DDF7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2100
    • 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:3528
      • 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\hmfwopc3\hmfwopc3.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3868
        • 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\RES2C36.tmp" "c:\Users\Admin\AppData\Local\Temp\hmfwopc3\CSCE6982F71AF524AC3A2F8C15B4174F258.TMP"
          4⤵
            PID:3964
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2696
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2644
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3192
        • 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:892
          • 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:1192
          • 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:2940
            • C:\Windows\SysWOW64\net.exe
              "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
              3⤵
                PID:4000
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                  4⤵
                    PID:1336
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                  3⤵
                    PID:1960
                    • C:\Windows\SysWOW64\cmd.exe
                      cmd /c net start rdpdr
                      4⤵
                        PID:3788
                        • C:\Windows\SysWOW64\net.exe
                          net start rdpdr
                          5⤵
                            PID:964
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 start rdpdr
                              6⤵
                                PID:2168
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                          3⤵
                            PID:412
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd /c net start TermService
                              4⤵
                                PID:3112
                                • C:\Windows\SysWOW64\net.exe
                                  net start TermService
                                  5⤵
                                    PID:3380
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 start TermService
                                      6⤵
                                        PID:4016
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                                  3⤵
                                    PID:412
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                                    3⤵
                                      PID:1792
                                • C:\Users\Admin\AppData\Local\Temp\E153.exe
                                  C:\Users\Admin\AppData\Local\Temp\E153.exe
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetThreadContext
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  PID:2472
                                  • C:\Users\Admin\AppData\Local\Temp\E153.exe
                                    "C:\Users\Admin\AppData\Local\Temp\E153.exe"
                                    2⤵
                                      PID:3936
                                    • C:\Users\Admin\AppData\Local\Temp\E153.exe
                                      "C:\Users\Admin\AppData\Local\Temp\E153.exe"
                                      2⤵
                                        PID:3008
                                      • C:\Users\Admin\AppData\Local\Temp\E153.exe
                                        "C:\Users\Admin\AppData\Local\Temp\E153.exe"
                                        2⤵
                                        • Executes dropped EXE
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:2192
                                      • C:\Users\Admin\AppData\Local\Temp\E153.exe
                                        "C:\Users\Admin\AppData\Local\Temp\E153.exe"
                                        2⤵
                                          PID:3236
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 948
                                          2⤵
                                          • Program crash
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:3268
                                      • C:\Users\Admin\AppData\Local\Temp\E51D.exe
                                        C:\Users\Admin\AppData\Local\Temp\E51D.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Loads dropped DLL
                                        • Suspicious use of WriteProcessMemory
                                        PID:2724
                                        • C:\Users\Admin\AppData\Local\Temp\vk9oMUe37A.exe
                                          "C:\Users\Admin\AppData\Local\Temp\vk9oMUe37A.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Suspicious use of WriteProcessMemory
                                          PID:3800
                                          • C:\Windows\SysWOW64\schtasks.exe
                                            /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
                                            3⤵
                                            • Creates scheduled task(s)
                                            PID:424
                                        • C:\Windows\SysWOW64\cmd.exe
                                          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\E51D.exe"
                                          2⤵
                                          • Suspicious use of WriteProcessMemory
                                          PID:2900
                                          • C:\Windows\SysWOW64\timeout.exe
                                            timeout /T 10 /NOBREAK
                                            3⤵
                                            • Delays execution with timeout.exe
                                            PID:3848
                                      • C:\Users\Admin\AppData\Local\Temp\EA9C.exe
                                        C:\Users\Admin\AppData\Local\Temp\EA9C.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        PID:3956
                                        • C:\Users\Admin\AppData\Local\Temp\EA9C.exe
                                          "C:\Users\Admin\AppData\Local\Temp\EA9C.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:4000
                                      • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
                                        C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe
                                        1⤵
                                        • Executes dropped EXE
                                        PID:1160
                                        • C:\Windows\SysWOW64\schtasks.exe
                                          /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sihost.exe"
                                          2⤵
                                          • Creates scheduled task(s)
                                          PID:1328
                                      • C:\Users\Admin\AppData\Roaming\rtsgwrt
                                        C:\Users\Admin\AppData\Roaming\rtsgwrt
                                        1⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        PID:2304
                                        • C:\Users\Admin\AppData\Roaming\rtsgwrt
                                          C:\Users\Admin\AppData\Roaming\rtsgwrt
                                          2⤵
                                          • Executes dropped EXE
                                          • Checks SCSI registry key(s)
                                          • Suspicious behavior: MapViewOfSection
                                          PID:3192

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/664-114-0x0000000000030000-0x0000000000039000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/888-115-0x0000000000400000-0x0000000000409000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/1160-1107-0x0000000000400000-0x0000000002B90000-memory.dmp

                                        Filesize

                                        39.6MB

                                      • memory/2100-135-0x00000000036A0000-0x0000000003AA2000-memory.dmp

                                        Filesize

                                        4.0MB

                                      • memory/2100-139-0x0000000008050000-0x000000000844F000-memory.dmp

                                        Filesize

                                        4.0MB

                                      • memory/2100-137-0x0000000000400000-0x0000000002F86000-memory.dmp

                                        Filesize

                                        43.5MB

                                      • memory/2100-144-0x0000000007C32000-0x0000000007C33000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2100-165-0x000000000A010000-0x000000000A011000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2100-149-0x0000000007C30000-0x0000000007C31000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2100-147-0x0000000007C33000-0x0000000007C34000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2100-162-0x0000000007C34000-0x0000000007C35000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-194-0x0000000007220000-0x0000000007221000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-150-0x0000000000400000-0x0000000000422000-memory.dmp

                                        Filesize

                                        136KB

                                      • memory/2192-156-0x0000000005780000-0x0000000005781000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-159-0x00000000051F0000-0x00000000051F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-160-0x0000000005320000-0x0000000005321000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-166-0x0000000005250000-0x0000000005251000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-193-0x0000000006B20000-0x0000000006B21000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-168-0x0000000005170000-0x0000000005776000-memory.dmp

                                        Filesize

                                        6.0MB

                                      • memory/2192-170-0x0000000005290000-0x0000000005291000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-202-0x0000000006F80000-0x0000000006F81000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2192-205-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2472-130-0x00000000059C0000-0x00000000059C1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2472-153-0x0000000005960000-0x0000000005963000-memory.dmp

                                        Filesize

                                        12KB

                                      • memory/2472-143-0x00000000057E0000-0x0000000005CDE000-memory.dmp

                                        Filesize

                                        5.0MB

                                      • memory/2472-124-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2472-126-0x0000000005CE0000-0x0000000005CE1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2472-138-0x0000000005920000-0x0000000005938000-memory.dmp

                                        Filesize

                                        96KB

                                      • memory/2472-129-0x0000000005880000-0x0000000005881000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2644-506-0x0000000004F22000-0x0000000004F23000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2644-536-0x000000007F1F0000-0x000000007F1F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2644-505-0x0000000004F20000-0x0000000004F21000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2696-254-0x0000000004572000-0x0000000004573000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2696-253-0x0000000004570000-0x0000000004571000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2696-265-0x0000000008400000-0x0000000008433000-memory.dmp

                                        Filesize

                                        204KB

                                      • memory/2696-280-0x000000007F110000-0x000000007F111000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2724-161-0x0000000000400000-0x0000000002BD0000-memory.dmp

                                        Filesize

                                        39.8MB

                                      • memory/2724-141-0x0000000002E60000-0x0000000002EF0000-memory.dmp

                                        Filesize

                                        576KB

                                      • memory/3024-117-0x00000000005D0000-0x00000000005E6000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/3024-1233-0x0000000000770000-0x0000000000786000-memory.dmp

                                        Filesize

                                        88KB

                                      • memory/3192-857-0x000000007F170000-0x000000007F171000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3192-781-0x0000000006A92000-0x0000000006A93000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3192-779-0x0000000006A90000-0x0000000006A91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-175-0x0000000006C10000-0x0000000006C11000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-186-0x0000000007660000-0x0000000007661000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-174-0x00000000065A0000-0x00000000065A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-1232-0x000000007E5B0000-0x000000007E5B1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-241-0x0000000008B40000-0x0000000008B41000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-189-0x0000000007D90000-0x0000000007D91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-203-0x0000000008A50000-0x0000000008A51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-187-0x0000000007480000-0x0000000007481000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-201-0x0000000009430000-0x0000000009431000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-212-0x00000000068A0000-0x00000000068A1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-184-0x0000000007350000-0x0000000007351000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-183-0x00000000072B0000-0x00000000072B1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-176-0x0000000006590000-0x0000000006591000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-218-0x0000000006593000-0x0000000006594000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3528-177-0x0000000006592000-0x0000000006593000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3800-243-0x0000000000030000-0x0000000000034000-memory.dmp

                                        Filesize

                                        16KB

                                      • memory/3800-244-0x0000000000400000-0x0000000002B90000-memory.dmp

                                        Filesize

                                        39.6MB

                                      • memory/3956-157-0x0000000004F90000-0x0000000004F91000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3956-134-0x00000000005C0000-0x00000000005C1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3956-167-0x00000000051C0000-0x00000000051C7000-memory.dmp

                                        Filesize

                                        28KB

                                      • memory/3956-163-0x0000000004F50000-0x0000000004F51000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4000-782-0x00000000058C0000-0x00000000058C1000-memory.dmp

                                        Filesize

                                        4KB