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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    16/12/2021, 00:01

General

  • Target

    1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78.exe

  • Size

    335KB

  • MD5

    d9e9a5edb36f380b8326d7f6cb4f80ce

  • SHA1

    810901dff758854c45c1fa4b3953c192346756d7

  • SHA256

    1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78

  • SHA512

    c3ec442be8edace22723236b296065b549611e4dd0072d81720d193d91f81c8bca5bb03374a4bd2930db3db8f261754c34e1d53d15eac6fecfa2ecf19177ad1f

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

icedid

Campaign

3372020928

C2

jeliskvosh.com

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Extracted

Family

redline

Botnet

22

C2

195.133.47.114:38127

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://45.77.127.230:8888

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • Tofsee

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

  • VKeylogger

    A keylogger first seen in Nov 2020.

  • VKeylogger Payload 3 IoCs
  • 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 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 2 IoCs
  • XMRig Miner Payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Blocks application from running via registry modification

    Adds application to list of disallowed applications.

  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 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 Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 3 IoCs
  • Suspicious use of SetThreadContext 6 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 2 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 13 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78.exe
    "C:\Users\Admin\AppData\Local\Temp\1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78.exe
      "C:\Users\Admin\AppData\Local\Temp\1c6f06fe730071b7afa20a2332a5d7ab3bb0c325bc86af315066701c8fd9ac78.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:804
  • C:\Users\Admin\AppData\Local\Temp\4CE.exe
    C:\Users\Admin\AppData\Local\Temp\4CE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\4CE.exe
      C:\Users\Admin\AppData\Local\Temp\4CE.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2700
  • C:\Users\Admin\AppData\Local\Temp\121E.exe
    C:\Users\Admin\AppData\Local\Temp\121E.exe
    1⤵
    • Executes dropped EXE
    PID:496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 496 -s 248
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1444
  • C:\Users\Admin\AppData\Local\Temp\20B5.exe
    C:\Users\Admin\AppData\Local\Temp\20B5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:1724
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\23C3.dll
    1⤵
    • Loads dropped DLL
    PID:956
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 956 -s 504
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
  • C:\Users\Admin\AppData\Local\Temp\30E4.exe
    C:\Users\Admin\AppData\Local\Temp\30E4.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    PID:2396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\30E4.exe" & exit
      2⤵
        PID:1624
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:2996
    • C:\Users\Admin\AppData\Local\Temp\34CD.exe
      C:\Users\Admin\AppData\Local\Temp\34CD.exe
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3988
    • C:\Users\Admin\AppData\Local\Temp\3D49.exe
      C:\Users\Admin\AppData\Local\Temp\3D49.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1856
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tajdnvrq\
        2⤵
          PID:3960
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\slwofkxq.exe" C:\Windows\SysWOW64\tajdnvrq\
          2⤵
            PID:388
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create tajdnvrq binPath= "C:\Windows\SysWOW64\tajdnvrq\slwofkxq.exe /d\"C:\Users\Admin\AppData\Local\Temp\3D49.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:1276
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description tajdnvrq "wifi internet conection"
              2⤵
                PID:1392
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start tajdnvrq
                2⤵
                  PID:3796
                • 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:3592
                • C:\Windows\SysWOW64\tajdnvrq\slwofkxq.exe
                  C:\Windows\SysWOW64\tajdnvrq\slwofkxq.exe /d"C:\Users\Admin\AppData\Local\Temp\3D49.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:3000
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:8
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:4012
                  • C:\Users\Admin\AppData\Local\Temp\6B8E.exe
                    C:\Users\Admin\AppData\Local\Temp\6B8E.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of WriteProcessMemory
                    PID:3860
                    • C:\Users\Admin\AppData\Local\Temp\6B8E.exe
                      C:\Users\Admin\AppData\Local\Temp\6B8E.exe
                      2⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:2636
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -ep bypass -noexit
                        3⤵
                        • Blocklisted process makes network request
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1156
                  • C:\Users\Admin\AppData\Local\Temp\6FE5.exe
                    C:\Users\Admin\AppData\Local\Temp\6FE5.exe
                    1⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    PID:2892
                  • C:\Users\Admin\AppData\Local\Temp\73DD.exe
                    C:\Users\Admin\AppData\Local\Temp\73DD.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2872
                  • C:\Users\Admin\AppData\Local\Temp\797C.exe
                    C:\Users\Admin\AppData\Local\Temp\797C.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    PID:2980
                    • C:\Windows\SysWOW64\explorer.exe
                      "C:\Windows\SysWOW64\explorer.exe"
                      2⤵
                      • Adds Run key to start application
                      • Suspicious behavior: MapViewOfSection
                      • Suspicious use of FindShellTrayWindow
                      PID:1516
                  • C:\Users\Admin\AppData\Local\Temp\8321.exe
                    C:\Users\Admin\AppData\Local\Temp\8321.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1276
                  • C:\Users\Admin\AppData\Local\Temp\B8C.exe
                    C:\Users\Admin\AppData\Local\Temp\B8C.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:3612
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                    • Accesses Microsoft Outlook profiles
                    • outlook_office_path
                    • outlook_win_path
                    PID:1424
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:1300

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/8-285-0x0000000002620000-0x0000000002635000-memory.dmp

                      Filesize

                      84KB

                    • memory/496-155-0x00000000005C0000-0x000000000070A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/496-156-0x0000000000400000-0x00000000004CD000-memory.dmp

                      Filesize

                      820KB

                    • memory/804-117-0x0000000000400000-0x0000000000409000-memory.dmp

                      Filesize

                      36KB

                    • memory/956-161-0x0000000001310000-0x000000000131A000-memory.dmp

                      Filesize

                      40KB

                    • memory/1156-296-0x0000000004F84000-0x0000000004F86000-memory.dmp

                      Filesize

                      8KB

                    • memory/1156-244-0x00000000095B0000-0x00000000095B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-255-0x0000000009FF0000-0x0000000009FF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-232-0x0000000009470000-0x0000000009471000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-218-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-207-0x0000000004F80000-0x0000000004F81000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-208-0x0000000004F82000-0x0000000004F83000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-201-0x00000000083E0000-0x00000000083E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-200-0x0000000008070000-0x0000000008071000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-199-0x0000000007F00000-0x0000000007F01000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-198-0x0000000007D50000-0x0000000007D51000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-197-0x0000000007670000-0x0000000007671000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-196-0x0000000007720000-0x0000000007721000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-195-0x0000000004F30000-0x0000000004F31000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-194-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-193-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1156-295-0x0000000004F83000-0x0000000004F84000-memory.dmp

                      Filesize

                      4KB

                    • memory/1276-257-0x0000000073A80000-0x0000000073C42000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/1276-284-0x00000000051B0000-0x00000000051B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1276-262-0x0000000000A00000-0x0000000000AAE000-memory.dmp

                      Filesize

                      696KB

                    • memory/1276-254-0x0000000000960000-0x00000000009FC000-memory.dmp

                      Filesize

                      624KB

                    • memory/1276-256-0x00000000005F0000-0x00000000005F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1300-399-0x00000000003D0000-0x00000000003D7000-memory.dmp

                      Filesize

                      28KB

                    • memory/1300-400-0x00000000003C0000-0x00000000003CC000-memory.dmp

                      Filesize

                      48KB

                    • memory/1424-385-0x0000000002A00000-0x0000000002A6B000-memory.dmp

                      Filesize

                      428KB

                    • memory/1424-384-0x0000000002A70000-0x0000000002AE4000-memory.dmp

                      Filesize

                      464KB

                    • memory/1516-342-0x0000000002DC0000-0x0000000002DCF000-memory.dmp

                      Filesize

                      60KB

                    • memory/1724-149-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-150-0x0000000073C60000-0x00000000741E4000-memory.dmp

                      Filesize

                      5.5MB

                    • memory/1724-147-0x0000000000E80000-0x0000000000EC5000-memory.dmp

                      Filesize

                      276KB

                    • memory/1724-146-0x0000000004E80000-0x0000000004E81000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-153-0x000000006FC50000-0x000000006FC9B000-memory.dmp

                      Filesize

                      300KB

                    • memory/1724-134-0x00000000012F0000-0x0000000001359000-memory.dmp

                      Filesize

                      420KB

                    • memory/1724-152-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-135-0x00000000005D0000-0x00000000005D1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-138-0x00000000012F0000-0x00000000012F1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-145-0x0000000004D50000-0x0000000004D51000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-142-0x0000000005340000-0x0000000005341000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-136-0x0000000073A80000-0x0000000073C42000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/1724-151-0x0000000074A50000-0x0000000075D98000-memory.dmp

                      Filesize

                      19.3MB

                    • memory/1724-140-0x0000000071A00000-0x0000000071A80000-memory.dmp

                      Filesize

                      512KB

                    • memory/1724-148-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1724-137-0x0000000076CD0000-0x0000000076DC1000-memory.dmp

                      Filesize

                      964KB

                    • memory/1856-176-0x00000000005C0000-0x00000000005D3000-memory.dmp

                      Filesize

                      76KB

                    • memory/1856-177-0x0000000000400000-0x00000000004D5000-memory.dmp

                      Filesize

                      852KB

                    • memory/2396-169-0x0000000000610000-0x000000000075A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2396-170-0x0000000000400000-0x00000000004D6000-memory.dmp

                      Filesize

                      856KB

                    • memory/2636-204-0x0000000000400000-0x000000000040F000-memory.dmp

                      Filesize

                      60KB

                    • memory/2636-189-0x0000000000400000-0x000000000040F000-memory.dmp

                      Filesize

                      60KB

                    • memory/2708-116-0x00000000004E0000-0x000000000062A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2708-115-0x0000000000756000-0x0000000000767000-memory.dmp

                      Filesize

                      68KB

                    • memory/2872-221-0x0000000005770000-0x0000000005D76000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/2872-213-0x0000000000F10000-0x0000000000F11000-memory.dmp

                      Filesize

                      4KB

                    • memory/2892-209-0x0000000002DE0000-0x0000000002DE2000-memory.dmp

                      Filesize

                      8KB

                    • memory/2892-248-0x0000000002DE5000-0x0000000002DE6000-memory.dmp

                      Filesize

                      4KB

                    • memory/2980-309-0x0000000000820000-0x000000000082E000-memory.dmp

                      Filesize

                      56KB

                    • memory/2980-310-0x0000000000400000-0x000000000081A000-memory.dmp

                      Filesize

                      4.1MB

                    • memory/2980-308-0x0000000000030000-0x000000000003A000-memory.dmp

                      Filesize

                      40KB

                    • memory/3000-264-0x0000000000400000-0x00000000004D5000-memory.dmp

                      Filesize

                      852KB

                    • memory/3040-183-0x0000000003040000-0x0000000003056000-memory.dmp

                      Filesize

                      88KB

                    • memory/3040-160-0x0000000003010000-0x0000000003026000-memory.dmp

                      Filesize

                      88KB

                    • memory/3040-119-0x0000000000CD0000-0x0000000000CE6000-memory.dmp

                      Filesize

                      88KB

                    • memory/3612-368-0x0000000000BE0000-0x0000000000C25000-memory.dmp

                      Filesize

                      276KB

                    • memory/3612-382-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/3976-130-0x00000000005C0000-0x000000000070A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/3988-173-0x0000000000400000-0x00000000004CD000-memory.dmp

                      Filesize

                      820KB

                    • memory/3988-172-0x00000000001E0000-0x00000000001E9000-memory.dmp

                      Filesize

                      36KB