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Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    16/12/2021, 01:02

General

  • Target

    c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c.exe

  • Size

    335KB

  • MD5

    38f5ddf9aa634045e39997ce2e754122

  • SHA1

    03a821a074c4bb522e6affe840d3c299ead191e8

  • SHA256

    c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c

  • SHA512

    90f7b1c883eda0172832d907bafceb64708fd6d4f85c0641573f8b515c9a18e98c8d2b5cbb7280e72bd0b4166bbedba63ca37f4a8367a3af3c6d6aafc2366cdc

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 1 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
  • 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 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
  • Modifies system certificate store 2 TTPs 10 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\c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c.exe
    "C:\Users\Admin\AppData\Local\Temp\c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Users\Admin\AppData\Local\Temp\c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c.exe
      "C:\Users\Admin\AppData\Local\Temp\c929005d0f50cf30388644593787ef6d4d0df76a55ed2e7e31b650769c07d27c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1352
  • C:\Users\Admin\AppData\Local\Temp\8DA6.exe
    C:\Users\Admin\AppData\Local\Temp\8DA6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\8DA6.exe
      C:\Users\Admin\AppData\Local\Temp\8DA6.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1536
  • C:\Users\Admin\AppData\Local\Temp\9B43.exe
    C:\Users\Admin\AppData\Local\Temp\9B43.exe
    1⤵
    • Executes dropped EXE
    PID:2788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 476
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1216
  • C:\Users\Admin\AppData\Local\Temp\A844.exe
    C:\Users\Admin\AppData\Local\Temp\A844.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:924
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\AC3D.dll
    1⤵
    • Loads dropped DLL
    PID:300
  • C:\Users\Admin\AppData\Local\Temp\B4F8.exe
    C:\Users\Admin\AppData\Local\Temp\B4F8.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\B4F8.exe" & exit
      2⤵
        PID:3964
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:2696
    • C:\Users\Admin\AppData\Local\Temp\BBA0.exe
      C:\Users\Admin\AppData\Local\Temp\BBA0.exe
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3144
    • C:\Users\Admin\AppData\Local\Temp\C5B3.exe
      C:\Users\Admin\AppData\Local\Temp\C5B3.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gdnumlyb\
        2⤵
          PID:2220
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\opptqzri.exe" C:\Windows\SysWOW64\gdnumlyb\
          2⤵
            PID:3436
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create gdnumlyb binPath= "C:\Windows\SysWOW64\gdnumlyb\opptqzri.exe /d\"C:\Users\Admin\AppData\Local\Temp\C5B3.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
              PID:1224
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" description gdnumlyb "wifi internet conection"
              2⤵
                PID:68
              • C:\Windows\SysWOW64\sc.exe
                "C:\Windows\System32\sc.exe" start gdnumlyb
                2⤵
                  PID:3000
                • 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:3732
                • C:\Users\Admin\AppData\Local\Temp\DE7C.exe
                  C:\Users\Admin\AppData\Local\Temp\DE7C.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:604
                  • C:\Users\Admin\AppData\Local\Temp\DE7C.exe
                    C:\Users\Admin\AppData\Local\Temp\DE7C.exe
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:1700
                    • 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:2156
                • C:\Users\Admin\AppData\Local\Temp\E330.exe
                  C:\Users\Admin\AppData\Local\Temp\E330.exe
                  1⤵
                  • Executes dropped EXE
                  • Modifies system certificate store
                  PID:2624
                • C:\Users\Admin\AppData\Local\Temp\E516.exe
                  C:\Users\Admin\AppData\Local\Temp\E516.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1848
                • C:\Users\Admin\AppData\Local\Temp\E768.exe
                  C:\Users\Admin\AppData\Local\Temp\E768.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  PID:3912
                  • 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:3616
                • C:\Users\Admin\AppData\Local\Temp\F544.exe
                  C:\Users\Admin\AppData\Local\Temp\F544.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2972
                • C:\Windows\SysWOW64\gdnumlyb\opptqzri.exe
                  C:\Windows\SysWOW64\gdnumlyb\opptqzri.exe /d"C:\Users\Admin\AppData\Local\Temp\C5B3.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  PID:2040
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:1196
                    • C:\Windows\SysWOW64\svchost.exe
                      svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                      3⤵
                        PID:300
                  • C:\Users\Admin\AppData\Local\Temp\6044.exe
                    C:\Users\Admin\AppData\Local\Temp\6044.exe
                    1⤵
                    • Executes dropped EXE
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    PID:1852
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                    • Accesses Microsoft Outlook profiles
                    • outlook_office_path
                    • outlook_win_path
                    PID:2008
                  • C:\Windows\explorer.exe
                    C:\Windows\explorer.exe
                    1⤵
                      PID:836

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/300-163-0x00000000005B0000-0x00000000005BA000-memory.dmp

                      Filesize

                      40KB

                    • memory/736-115-0x00000000007A6000-0x00000000007B7000-memory.dmp

                      Filesize

                      68KB

                    • memory/736-118-0x0000000000750000-0x0000000000759000-memory.dmp

                      Filesize

                      36KB

                    • memory/836-387-0x0000000000780000-0x0000000000787000-memory.dmp

                      Filesize

                      28KB

                    • memory/836-388-0x0000000000770000-0x000000000077C000-memory.dmp

                      Filesize

                      48KB

                    • memory/924-159-0x00000000705C0000-0x000000007060B000-memory.dmp

                      Filesize

                      300KB

                    • memory/924-146-0x00000000038E0000-0x00000000038E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-158-0x0000000005B30000-0x0000000005B31000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-156-0x0000000075200000-0x0000000076548000-memory.dmp

                      Filesize

                      19.3MB

                    • memory/924-152-0x0000000076E00000-0x0000000077384000-memory.dmp

                      Filesize

                      5.5MB

                    • memory/924-133-0x0000000000A80000-0x0000000000AE9000-memory.dmp

                      Filesize

                      420KB

                    • memory/924-134-0x0000000003090000-0x00000000030D5000-memory.dmp

                      Filesize

                      276KB

                    • memory/924-135-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-136-0x0000000074DA0000-0x0000000074F62000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/924-151-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-137-0x0000000075100000-0x00000000751F1000-memory.dmp

                      Filesize

                      964KB

                    • memory/924-149-0x0000000003790000-0x0000000003791000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-138-0x0000000000A80000-0x0000000000A81000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-141-0x0000000072190000-0x0000000072210000-memory.dmp

                      Filesize

                      512KB

                    • memory/924-147-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/924-145-0x00000000060C0000-0x00000000060C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1196-306-0x00000000001B0000-0x00000000001C5000-memory.dmp

                      Filesize

                      84KB

                    • memory/1352-116-0x0000000000400000-0x0000000000409000-memory.dmp

                      Filesize

                      36KB

                    • memory/1700-176-0x0000000000400000-0x000000000040F000-memory.dmp

                      Filesize

                      60KB

                    • memory/1700-180-0x0000000000400000-0x000000000040F000-memory.dmp

                      Filesize

                      60KB

                    • memory/1848-211-0x0000000005430000-0x0000000005A36000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/1848-198-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                      Filesize

                      4KB

                    • memory/1852-357-0x0000000002690000-0x00000000026D5000-memory.dmp

                      Filesize

                      276KB

                    • memory/1852-382-0x0000000004F30000-0x0000000004F31000-memory.dmp

                      Filesize

                      4KB

                    • memory/1908-167-0x00000000007B6000-0x00000000007C8000-memory.dmp

                      Filesize

                      72KB

                    • memory/1908-168-0x0000000000710000-0x000000000072C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1908-169-0x0000000000400000-0x00000000004D6000-memory.dmp

                      Filesize

                      856KB

                    • memory/2008-385-0x00000000034F0000-0x0000000003564000-memory.dmp

                      Filesize

                      464KB

                    • memory/2008-383-0x0000000003480000-0x00000000034EB000-memory.dmp

                      Filesize

                      428KB

                    • memory/2040-304-0x0000000000790000-0x00000000007A3000-memory.dmp

                      Filesize

                      76KB

                    • memory/2040-305-0x0000000000400000-0x00000000004D5000-memory.dmp

                      Filesize

                      852KB

                    • memory/2156-190-0x0000000006812000-0x0000000006813000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-182-0x0000000000750000-0x0000000000751000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-181-0x0000000000750000-0x0000000000751000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-214-0x00000000078E0000-0x00000000078E1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-183-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-292-0x0000000006814000-0x0000000006816000-memory.dmp

                      Filesize

                      8KB

                    • memory/2156-205-0x00000000074B0000-0x00000000074B1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-199-0x0000000006DD0000-0x0000000006DD1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-220-0x0000000000750000-0x0000000000751000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-290-0x0000000006813000-0x0000000006814000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-231-0x0000000008970000-0x0000000008971000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-184-0x0000000006E50000-0x0000000006E51000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-189-0x0000000006810000-0x0000000006811000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-194-0x0000000006D60000-0x0000000006D61000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-193-0x0000000006D30000-0x0000000006D31000-memory.dmp

                      Filesize

                      4KB

                    • memory/2156-249-0x0000000008AB0000-0x0000000008AB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2624-212-0x0000000000500000-0x0000000000502000-memory.dmp

                      Filesize

                      8KB

                    • memory/2624-285-0x0000000000505000-0x0000000000506000-memory.dmp

                      Filesize

                      4KB

                    • memory/2648-157-0x0000000002A70000-0x0000000002A86000-memory.dmp

                      Filesize

                      88KB

                    • memory/2648-119-0x0000000000B40000-0x0000000000B56000-memory.dmp

                      Filesize

                      88KB

                    • memory/2648-217-0x0000000004A00000-0x0000000004A16000-memory.dmp

                      Filesize

                      88KB

                    • memory/2732-126-0x0000000000876000-0x0000000000887000-memory.dmp

                      Filesize

                      68KB

                    • memory/2788-148-0x00000000004D0000-0x000000000061A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2788-144-0x0000000000866000-0x0000000000877000-memory.dmp

                      Filesize

                      68KB

                    • memory/2788-150-0x0000000000400000-0x00000000004CD000-memory.dmp

                      Filesize

                      820KB

                    • memory/2972-262-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2972-253-0x00000000007F0000-0x0000000000835000-memory.dmp

                      Filesize

                      276KB

                    • memory/2972-245-0x0000000000630000-0x0000000000631000-memory.dmp

                      Filesize

                      4KB

                    • memory/2972-244-0x0000000000850000-0x00000000008EC000-memory.dmp

                      Filesize

                      624KB

                    • memory/2972-250-0x0000000000850000-0x0000000000851000-memory.dmp

                      Filesize

                      4KB

                    • memory/2972-247-0x0000000074DA0000-0x0000000074F62000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/2972-248-0x0000000075100000-0x00000000751F1000-memory.dmp

                      Filesize

                      964KB

                    • memory/3144-172-0x0000000000400000-0x00000000004CD000-memory.dmp

                      Filesize

                      820KB

                    • memory/3144-171-0x0000000000620000-0x0000000000629000-memory.dmp

                      Filesize

                      36KB

                    • memory/3272-191-0x00000000004E0000-0x000000000058E000-memory.dmp

                      Filesize

                      696KB

                    • memory/3272-192-0x0000000000400000-0x00000000004D5000-memory.dmp

                      Filesize

                      852KB

                    • memory/3616-302-0x0000000000570000-0x000000000057F000-memory.dmp

                      Filesize

                      60KB

                    • memory/3912-271-0x0000000000400000-0x000000000081A000-memory.dmp

                      Filesize

                      4.1MB

                    • memory/3912-269-0x0000000000860000-0x000000000086E000-memory.dmp

                      Filesize

                      56KB

                    • memory/3912-268-0x0000000000030000-0x000000000003A000-memory.dmp

                      Filesize

                      40KB