Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    14/01/2022, 09:37

General

  • Target
    9af4d2022dc05c2dbbc4d218a8f0974c.exe
  • Size 312KB
  • Sample220114-lljhwafffn
  • SHA256 c8fe81088b2caa9df35d92a588fb266a145c95b81b5c66d5bfe181fa73b17d82
  • 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
  • arkei

Botnet
  • Default

C2
  • http://file-file-host4.com/tratata.php

Extracted

Family
  • tofsee

C2
  • patmushta.info

  • parubey.info

Extracted

Family
  • amadey

Version
  • 3.01

C2
  • 185.215.113.35/d2VxjasuwS/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Arkei

    Arkei is an infostealer written in C++.

  • 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.

  • Windows security bypass 2 TTPs
  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • 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)

  • xmrig

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

  • Arkei Stealer Payload 2 IoCs
  • XMRig Miner Payload 4 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 4 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 3 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 1 IoCs

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

  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9af4d2022dc05c2dbbc4d218a8f0974c.exe
    "C:\Users\Admin\AppData\Local\Temp\9af4d2022dc05c2dbbc4d218a8f0974c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\9af4d2022dc05c2dbbc4d218a8f0974c.exe
      "C:\Users\Admin\AppData\Local\Temp\9af4d2022dc05c2dbbc4d218a8f0974c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:652
  • C:\Users\Admin\AppData\Local\Temp\7CEC.exe
    C:\Users\Admin\AppData\Local\Temp\7CEC.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2864
  • C:\Users\Admin\AppData\Local\Temp\847F.exe
    C:\Users\Admin\AppData\Local\Temp\847F.exe
    1⤵
    • Executes dropped EXE
    PID:1316
  • C:\Users\Admin\AppData\Local\Temp\8858.exe
    C:\Users\Admin\AppData\Local\Temp\8858.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eqcfkbds\
      2⤵
        PID:824
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jlyelere.exe" C:\Windows\SysWOW64\eqcfkbds\
        2⤵
          PID:1724
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create eqcfkbds binPath= "C:\Windows\SysWOW64\eqcfkbds\jlyelere.exe /d\"C:\Users\Admin\AppData\Local\Temp\8858.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:2700
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description eqcfkbds "wifi internet conection"
            2⤵
              PID:1612
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start eqcfkbds
              2⤵
                PID:3228
              • 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:832
              • C:\Users\Admin\AppData\Local\Temp\8A9B.exe
                C:\Users\Admin\AppData\Local\Temp\8A9B.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2300
                • C:\Users\Admin\AppData\Local\Temp\8A9B.exe
                  C:\Users\Admin\AppData\Local\Temp\8A9B.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1148
              • C:\Windows\SysWOW64\eqcfkbds\jlyelere.exe
                C:\Windows\SysWOW64\eqcfkbds\jlyelere.exe /d"C:\Users\Admin\AppData\Local\Temp\8858.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2092
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:3580
                  • 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:2988
              • C:\Users\Admin\AppData\Local\Temp\EBA8.exe
                C:\Users\Admin\AppData\Local\Temp\EBA8.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:1216
                • C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\mjlooy.exe
                  "C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\mjlooy.exe"
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:3620
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\
                    3⤵
                      PID:4040
                      • C:\Windows\SysWOW64\reg.exe
                        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\
                        4⤵
                          PID:816
                      • C:\Windows\SysWOW64\schtasks.exe
                        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN mjlooy.exe /TR "C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\mjlooy.exe" /F
                        3⤵
                        • Creates scheduled task(s)
                        PID:1576
                  • C:\Users\Admin\AppData\Local\Temp\F435.exe
                    C:\Users\Admin\AppData\Local\Temp\F435.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1668
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 400
                      2⤵
                      • Program crash
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1944
                  • C:\Users\Admin\AppData\Local\Temp\FCE0.exe
                    C:\Users\Admin\AppData\Local\Temp\FCE0.exe
                    1⤵
                    • Executes dropped EXE
                    PID:3032
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 400
                      2⤵
                      • Program crash
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3736
                  • C:\Users\Admin\AppData\Local\Temp\6C.exe
                    C:\Users\Admin\AppData\Local\Temp\6C.exe
                    1⤵
                    • Executes dropped EXE
                    PID:2668
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 684
                      2⤵
                      • Suspicious use of NtCreateProcessExOtherParentProcess
                      • Program crash
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2780
                  • C:\Users\Admin\AppData\Local\Temp\493.exe
                    C:\Users\Admin\AppData\Local\Temp\493.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1264
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                    • Accesses Microsoft Outlook profiles
                    • outlook_office_path
                    • outlook_win_path
                    PID:1048
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:1940
                    • C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\mjlooy.exe
                      C:\Users\Admin\AppData\Local\Temp\82aa4a6c48\mjlooy.exe
                      1⤵
                      • Executes dropped EXE
                      PID:1776

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/652-117-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/956-138-0x00000000007B1000-0x00000000007C2000-memory.dmp

                          memory/956-141-0x00000000001C0000-0x00000000001D3000-memory.dmp

                          memory/956-142-0x0000000000400000-0x000000000055E000-memory.dmp

                          memory/1048-236-0x0000000000A00000-0x0000000000A6B000-memory.dmp

                          memory/1048-233-0x0000000000A70000-0x0000000000AE4000-memory.dmp

                          memory/1148-179-0x0000000006200000-0x0000000006292000-memory.dmp

                          memory/1148-170-0x00000000058B0000-0x0000000005EB6000-memory.dmp

                          memory/1148-182-0x00000000074D0000-0x00000000079FC000-memory.dmp

                          memory/1148-181-0x0000000006DD0000-0x0000000006F92000-memory.dmp

                          memory/1148-180-0x00000000061E0000-0x00000000061FE000-memory.dmp

                          memory/1148-162-0x0000000000400000-0x0000000000420000-memory.dmp

                          memory/1148-176-0x0000000005630000-0x0000000005696000-memory.dmp

                          memory/1148-166-0x0000000000400000-0x0000000000420000-memory.dmp

                          memory/1148-175-0x0000000005340000-0x000000000538B000-memory.dmp

                          memory/1148-178-0x00000000060E0000-0x0000000006156000-memory.dmp

                          memory/1148-167-0x0000000000400000-0x0000000000420000-memory.dmp

                          memory/1148-177-0x0000000006500000-0x00000000069FE000-memory.dmp

                          memory/1148-174-0x00000000052A0000-0x00000000058A6000-memory.dmp

                          memory/1148-171-0x0000000002D30000-0x0000000002D42000-memory.dmp

                          memory/1148-172-0x00000000053B0000-0x00000000054BA000-memory.dmp

                          memory/1148-173-0x0000000005300000-0x000000000533E000-memory.dmp

                          memory/1216-194-0x0000000000400000-0x0000000000578000-memory.dmp

                          memory/1216-193-0x0000000000580000-0x00000000006CA000-memory.dmp

                          memory/1264-225-0x0000000077BA0000-0x0000000077C91000-memory.dmp

                          memory/1264-231-0x0000000002350000-0x0000000002362000-memory.dmp

                          memory/1264-226-0x0000000000A20000-0x0000000000AA3000-memory.dmp

                          memory/1264-258-0x00000000051B0000-0x00000000051CE000-memory.dmp

                          memory/1264-256-0x0000000005F60000-0x000000000645E000-memory.dmp

                          memory/1264-255-0x0000000004FD0000-0x0000000005062000-memory.dmp

                          memory/1264-254-0x0000000004F50000-0x0000000004FC6000-memory.dmp

                          memory/1264-246-0x0000000071920000-0x000000007196B000-memory.dmp

                          memory/1264-244-0x0000000002B20000-0x0000000002B6B000-memory.dmp

                          memory/1264-241-0x0000000075DB0000-0x00000000770F8000-memory.dmp

                          memory/1264-237-0x0000000075080000-0x0000000075604000-memory.dmp

                          memory/1264-227-0x0000000000A20000-0x0000000000AA3000-memory.dmp

                          memory/1264-220-0x0000000000A20000-0x0000000000AA3000-memory.dmp

                          memory/1264-228-0x00000000726E0000-0x0000000072760000-memory.dmp

                          memory/1264-234-0x0000000002AE0000-0x0000000002B1E000-memory.dmp

                          memory/1264-235-0x0000000004E30000-0x0000000004E31000-memory.dmp

                          memory/1264-221-0x00000000021C0000-0x0000000002205000-memory.dmp

                          memory/1264-222-0x0000000000A20000-0x0000000000AA3000-memory.dmp

                          memory/1264-224-0x00000000757B0000-0x0000000075972000-memory.dmp

                          memory/1264-232-0x0000000004E40000-0x0000000004F4A000-memory.dmp

                          memory/1264-223-0x0000000000050000-0x0000000000051000-memory.dmp

                          memory/1264-230-0x0000000005450000-0x0000000005A56000-memory.dmp

                          memory/1316-131-0x0000000000400000-0x000000000055F000-memory.dmp

                          memory/1316-130-0x00000000001C0000-0x00000000001DC000-memory.dmp

                          memory/1668-207-0x0000000002500000-0x0000000002560000-memory.dmp

                          memory/1776-267-0x0000000000614000-0x0000000000632000-memory.dmp

                          memory/1940-239-0x0000000000110000-0x000000000011C000-memory.dmp

                          memory/1940-238-0x0000000000120000-0x0000000000127000-memory.dmp

                          memory/2092-168-0x0000000000400000-0x000000000055E000-memory.dmp

                          memory/2300-146-0x0000000005650000-0x00000000056C6000-memory.dmp

                          memory/2300-144-0x0000000005770000-0x0000000005771000-memory.dmp

                          memory/2300-153-0x0000000005EC0000-0x00000000063BE000-memory.dmp

                          memory/2300-139-0x0000000000DB0000-0x0000000000E3A000-memory.dmp

                          memory/2300-149-0x0000000005600000-0x000000000561E000-memory.dmp

                          memory/2300-140-0x0000000000DB0000-0x0000000000E3A000-memory.dmp

                          memory/2300-145-0x0000000002F90000-0x0000000002F91000-memory.dmp

                          memory/2668-249-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-248-0x00000000031C0000-0x0000000003265000-memory.dmp

                          memory/2668-257-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-252-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-240-0x0000000002F50000-0x0000000002FF0000-memory.dmp

                          memory/2668-253-0x0000000004C80000-0x0000000004D12000-memory.dmp

                          memory/2668-251-0x0000000004C10000-0x0000000004C78000-memory.dmp

                          memory/2668-250-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-247-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-243-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          memory/2668-242-0x0000000002FF0000-0x00000000030B0000-memory.dmp

                          memory/2668-245-0x000000000313E000-0x00000000031BF000-memory.dmp

                          memory/2784-116-0x0000000000030000-0x0000000000039000-memory.dmp

                          memory/2864-124-0x0000000001F40000-0x0000000001F49000-memory.dmp

                          memory/2864-123-0x0000000000460000-0x000000000050E000-memory.dmp

                          memory/2864-125-0x0000000000400000-0x0000000000452000-memory.dmp

                          memory/2880-119-0x0000000001040000-0x0000000001056000-memory.dmp

                          memory/2880-151-0x0000000002FA0000-0x0000000002FB6000-memory.dmp

                          memory/2988-188-0x0000000000620000-0x0000000000711000-memory.dmp

                          memory/2988-183-0x0000000000620000-0x0000000000711000-memory.dmp

                          memory/3580-169-0x00000000003D0000-0x00000000003E5000-memory.dmp

                          memory/3580-158-0x00000000003D0000-0x00000000003E5000-memory.dmp

                          memory/3580-160-0x00000000002E0000-0x00000000002E1000-memory.dmp

                          memory/3580-161-0x00000000002E0000-0x00000000002E1000-memory.dmp

                          memory/3620-206-0x0000000000400000-0x0000000000578000-memory.dmp

                          memory/3620-205-0x00000000001C0000-0x00000000001F8000-memory.dmp