Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    08-10-2021 22:18

General

  • Target

    f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04.exe

  • Size

    166KB

  • MD5

    255c697e144c7fe1471f1564da42c959

  • SHA1

    1741b74c88aeb8bee82ff4c4ae227340aba33c80

  • SHA256

    f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04

  • SHA512

    1fbb9e6425712df6c795d2bfdd934c221ef5e63da681d2032f423549c09895ccc0847b052c1f6c0756f2881069342965d738012aac3db188b3a8a201c0ad4cc7

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fazanaharahe10.top/

http://xandelissane20.top/

http://ustiassosale30.top/

http://cytheriata40.top/

http://ggiergionard50.top/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Version

1.8.2

Botnet

dfb936558dbffed9bca02e41d7a111295cf4a71e

Attributes
  • url4cnc

    http://teletop.top/rocketmanthem2

    http://teleta.top/rocketmanthem2

    https://t.me/rocketmanthem2

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.2

Botnet

8d179b9e611eee525425544ee8c6d77360ab7cd9

Attributes
  • url4cnc

    http://teletop.top/agrybirdsgamerept

    http://teleta.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • ServHelper

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

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Modifies RDP port number used by Windows 1 TTPs
  • Sets DLL path for service in the registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 8 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • 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
  • 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 34 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04.exe
    "C:\Users\Admin\AppData\Local\Temp\f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04.exe
      "C:\Users\Admin\AppData\Local\Temp\f22d4a1729b3e55190d224087c7569623012ca99978b01e3649714bf71b2ec04.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:512
  • C:\Users\Admin\AppData\Local\Temp\2BB.exe
    C:\Users\Admin\AppData\Local\Temp\2BB.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Accesses Microsoft Outlook accounts
    • Accesses Microsoft Outlook profiles
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3956
    • C:\Users\Admin\AppData\Local\Temp\WaPyp1c35t.exe
      "C:\Users\Admin\AppData\Local\Temp\WaPyp1c35t.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2304
        • 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\2gz3tl3o\2gz3tl3o.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3760
          • 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\RES8D77.tmp" "c:\Users\Admin\AppData\Local\Temp\2gz3tl3o\CSCED7806E4CCCF480792599526D0616DEB.TMP"
            5⤵
              PID:2184
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1288
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3008
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3984
          • 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
            4⤵
              PID:496
            • 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
              4⤵
              • Modifies registry key
              PID:3068
            • 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
              4⤵
                PID:3296
              • C:\Windows\SysWOW64\net.exe
                "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                4⤵
                  PID:1172
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                    5⤵
                      PID:2968
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                    4⤵
                      PID:924
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd /c net start rdpdr
                        5⤵
                          PID:1844
                          • C:\Windows\SysWOW64\net.exe
                            net start rdpdr
                            6⤵
                              PID:1980
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 start rdpdr
                                7⤵
                                  PID:3440
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                            4⤵
                              PID:980
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd /c net start TermService
                                5⤵
                                  PID:944
                                  • C:\Windows\SysWOW64\net.exe
                                    net start TermService
                                    6⤵
                                      PID:1136
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 start TermService
                                        7⤵
                                          PID:1636
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                                    4⤵
                                      PID:508
                                    • C:\Windows\SysWOW64\cmd.exe
                                      "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                                      4⤵
                                        PID:2468
                                  • C:\Windows\SysWOW64\cmd.exe
                                    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2BB.exe"
                                    2⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:3112
                                    • C:\Windows\SysWOW64\timeout.exe
                                      timeout /T 10 /NOBREAK
                                      3⤵
                                      • Delays execution with timeout.exe
                                      PID:1672
                                • C:\Users\Admin\AppData\Local\Temp\52D.exe
                                  C:\Users\Admin\AppData\Local\Temp\52D.exe
                                  1⤵
                                  • Modifies WinLogon for persistence
                                  • Executes dropped EXE
                                  • Suspicious use of SetThreadContext
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  PID:3636
                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\52D.exe" -Force
                                    2⤵
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:2236
                                  • C:\Users\Admin\AppData\Local\Temp\52D.exe
                                    C:\Users\Admin\AppData\Local\Temp\52D.exe
                                    2⤵
                                    • Executes dropped EXE
                                    • Adds Run key to start application
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1620
                                • C:\Users\Admin\AppData\Local\Temp\CB0.exe
                                  C:\Users\Admin\AppData\Local\Temp\CB0.exe
                                  1⤵
                                  • Executes dropped EXE
                                  • Checks BIOS information in registry
                                  • Checks whether UAC is enabled
                                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:3976
                                • C:\Users\Admin\AppData\Local\Temp\1442.exe
                                  C:\Users\Admin\AppData\Local\Temp\1442.exe
                                  1⤵
                                  • Executes dropped EXE
                                  PID:1656

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/392-119-0x00000000003B0000-0x00000000003C6000-memory.dmp

                                  Filesize

                                  88KB

                                • memory/512-116-0x0000000000400000-0x0000000000409000-memory.dmp

                                  Filesize

                                  36KB

                                • memory/1288-248-0x000000007ED50000-0x000000007ED51000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1288-215-0x00000000033C0000-0x00000000033C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1288-216-0x00000000033C0000-0x00000000033C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1288-220-0x0000000004F00000-0x0000000004F01000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1288-221-0x0000000004F02000-0x0000000004F03000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1288-229-0x00000000033C0000-0x00000000033C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1620-563-0x0000000002B70000-0x0000000002B72000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1620-1388-0x0000000002B72000-0x0000000002B74000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1656-138-0x0000000000760000-0x00000000007EE000-memory.dmp

                                  Filesize

                                  568KB

                                • memory/1656-134-0x0000000000511000-0x0000000000560000-memory.dmp

                                  Filesize

                                  316KB

                                • memory/1656-139-0x0000000000400000-0x0000000000491000-memory.dmp

                                  Filesize

                                  580KB

                                • memory/2236-561-0x00000240CD638000-0x00000240CD639000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2236-559-0x00000240CD636000-0x00000240CD638000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2236-473-0x00000240CD633000-0x00000240CD635000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2236-472-0x00000240CD630000-0x00000240CD632000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2304-192-0x0000000004843000-0x0000000004844000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-213-0x00000000092A0000-0x00000000092A1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-163-0x0000000000F10000-0x0000000000F11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-164-0x0000000000F10000-0x0000000000F11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-174-0x0000000007FE0000-0x0000000007FE1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-166-0x0000000007400000-0x0000000007401000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-182-0x0000000008390000-0x0000000008391000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-190-0x0000000008F90000-0x0000000008F91000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-165-0x0000000004770000-0x0000000004771000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-175-0x0000000008250000-0x0000000008251000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-1243-0x000000007E4A0000-0x000000007E4A1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-173-0x0000000007330000-0x0000000007331000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-172-0x0000000007C10000-0x0000000007C11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-170-0x0000000007250000-0x0000000007251000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-169-0x00000000071B0000-0x00000000071B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-181-0x00000000098F0000-0x00000000098F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-167-0x0000000004840000-0x0000000004841000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-168-0x0000000004842000-0x0000000004843000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2304-177-0x0000000000F10000-0x0000000000F11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2416-115-0x00000000006E1000-0x00000000006EA000-memory.dmp

                                  Filesize

                                  36KB

                                • memory/2416-118-0x0000000000030000-0x0000000000039000-memory.dmp

                                  Filesize

                                  36KB

                                • memory/3008-507-0x00000000010D2000-0x00000000010D3000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3008-505-0x00000000010D0000-0x00000000010D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3008-540-0x000000007F750000-0x000000007F751000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-159-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-160-0x0000000008470000-0x0000000008471000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-150-0x0000000005A90000-0x0000000005E8F000-memory.dmp

                                  Filesize

                                  4.0MB

                                • memory/3176-152-0x0000000003040000-0x0000000003041000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-153-0x0000000003042000-0x0000000003043000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-154-0x0000000006390000-0x0000000006391000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-155-0x0000000003043000-0x0000000003044000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-158-0x0000000003044000-0x0000000003045000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3176-156-0x0000000006030000-0x0000000006031000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3636-127-0x0000000000920000-0x0000000000921000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3636-157-0x000000001C030000-0x000000001C032000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3636-161-0x000000001E640000-0x000000001E774000-memory.dmp

                                  Filesize

                                  1.2MB

                                • memory/3956-135-0x00000000004A0000-0x000000000052E000-memory.dmp

                                  Filesize

                                  568KB

                                • memory/3956-136-0x0000000000400000-0x0000000000491000-memory.dmp

                                  Filesize

                                  580KB

                                • memory/3976-761-0x0000000005290000-0x0000000005291000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3976-760-0x0000000077820000-0x00000000779AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/3984-791-0x00000000047B0000-0x00000000047B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3984-792-0x00000000047B2000-0x00000000047B3000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3984-890-0x000000007E980000-0x000000007E981000-memory.dmp

                                  Filesize

                                  4KB