Analysis

  • max time kernel
    178s
  • max time network
    183s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    13/11/2021, 19:21

General

  • Target
    c755df74371deed1af6438335fb9477d.exe
  • Size 344KB
  • Sample211113-x2nnbacddl
  • SHA256 25ddb8f090baba92c6dc7d59a2af59af17e5e945f4a5891c186f2fae58301aa6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.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
  • redline

C2
  • 185.159.80.90:38637

Extracted

Family
  • redline

Botnet
  • SuperStar

C2
  • 185.215.113.29:36224

Extracted

Family
  • raccoon

Version
  • 1.8.3-hotfix

Botnet
  • 675718a5f2ce6d3cacf6cb04a512f5637eae995f

Attributes
  • url4cnc

    http://91.219.236.27/agrybirdsgamerept

    http://5.181.156.92/agrybirdsgamerept

    http://91.219.236.207/agrybirdsgamerept

    http://185.225.19.18/agrybirdsgamerept

    http://91.219.237.227/agrybirdsgamerept

    http://185.163.47.176/agrybirdsgamerept

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 4 IoCs
  • 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 6 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 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\c755df74371deed1af6438335fb9477d.exe
    "C:\Users\Admin\AppData\Local\Temp\c755df74371deed1af6438335fb9477d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Users\Admin\AppData\Local\Temp\c755df74371deed1af6438335fb9477d.exe
      "C:\Users\Admin\AppData\Local\Temp\c755df74371deed1af6438335fb9477d.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1976
  • C:\Users\Admin\AppData\Local\Temp\750D.exe
    C:\Users\Admin\AppData\Local\Temp\750D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\750D.exe
      C:\Users\Admin\AppData\Local\Temp\750D.exe
      2⤵
      • Executes dropped EXE
      PID:612
  • C:\Users\Admin\AppData\Local\Temp\7DE7.exe
    C:\Users\Admin\AppData\Local\Temp\7DE7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Users\Admin\AppData\Local\Temp\7DE7.exe
      C:\Users\Admin\AppData\Local\Temp\7DE7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
  • C:\Users\Admin\AppData\Local\Temp\7F50.exe
    C:\Users\Admin\AppData\Local\Temp\7F50.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3536
  • C:\Users\Admin\AppData\Local\Temp\822F.exe
    C:\Users\Admin\AppData\Local\Temp\822F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\822F.exe
      C:\Users\Admin\AppData\Local\Temp\822F.exe
      2⤵
      • Executes dropped EXE
      PID:2940
  • C:\Users\Admin\AppData\Local\Temp\9B36.exe
    C:\Users\Admin\AppData\Local\Temp\9B36.exe
    1⤵
    • Executes dropped EXE
    PID:2960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 616
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3916
  • C:\Users\Admin\AppData\Local\Temp\F8B9.exe
    C:\Users\Admin\AppData\Local\Temp\F8B9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\System32\mshta.exe" vbscRiPt: cLoSE ( CreaTEObJect ( "WSCrIpt.ShElL" ). Run ( "CMd.EXe /Q/c COPY /Y ""C:\Users\Admin\AppData\Local\Temp\F8B9.exe"" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF """"== """" for %S IN ( ""C:\Users\Admin\AppData\Local\Temp\F8B9.exe"" ) do taskkill -f /iM ""%~NXS"" " , 0 , TrUE ))
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /Q/c COPY /Y "C:\Users\Admin\AppData\Local\Temp\F8B9.exe" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF ""== "" for %S IN ( "C:\Users\Admin\AppData\Local\Temp\F8B9.exe" ) do taskkill -f /iM "%~NXS"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE
          ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk
          4⤵
          • Executes dropped EXE
          PID:3876
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\System32\mshta.exe" vbscRiPt: cLoSE ( CreaTEObJect ( "WSCrIpt.ShElL" ). Run ( "CMd.EXe /Q/c COPY /Y ""C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE"" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF ""/PqgNvw4IlDLT7hpq3_wecIlKVwsIMk ""== """" for %S IN ( ""C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE"" ) do taskkill -f /iM ""%~NXS"" " , 0 , TrUE ))
            5⤵
              PID:1332
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /Q/c COPY /Y "C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF "/PqgNvw4IlDLT7hpq3_wecIlKVwsIMk "== "" for %S IN ( "C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE" ) do taskkill -f /iM "%~NXS"
                6⤵
                  PID:1588
              • C:\Windows\SysWOW64\mshta.exe
                "C:\Windows\System32\mshta.exe" VbscrIPT: cLOSE ( cREateObJeCt ( "wscRiPt.SHELl" ). Run ( "cMd /r Echo | set /P = ""MZ"" > V_DXQ.No & COPY /y /b V_dXQ.NO + WX0Cjy.A + BPROiU.ZB +oWfJ6VGN.C + Yg_AN9.GRP ..\CXSXSHYX.ZBV & STARt regsvr32 ..\CxSXSHYX.ZBV -s & dEL /q * " ,0 , tRuE ) )
                5⤵
                  PID:684
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /r Echo | set /P = "MZ" > V_DXQ.No & COPY /y /b V_dXQ.NO + WX0Cjy.A + BPROiU.ZB +oWfJ6VGN.C + Yg_AN9.GRP ..\CXSXSHYX.ZBV & STARt regsvr32 ..\CxSXSHYX.ZBV -s & dEL /q *
                    6⤵
                      PID:1272
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" Echo "
                        7⤵
                          PID:3612
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" set /P = "MZ" 1>V_DXQ.No"
                          7⤵
                            PID:884
                          • C:\Windows\SysWOW64\regsvr32.exe
                            regsvr32 ..\CxSXSHYX.ZBV -s
                            7⤵
                            • Loads dropped DLL
                            PID:2788
                    • C:\Windows\SysWOW64\taskkill.exe
                      taskkill -f /iM "F8B9.exe"
                      4⤵
                      • Kills process with taskkill
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1044
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                • Accesses Microsoft Outlook profiles
                • outlook_office_path
                • outlook_win_path
                PID:3604
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:860

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/844-121-0x0000000002BA0000-0x0000000002BA9000-memory.dmp

                      memory/844-118-0x0000000002DD9000-0x0000000002DEA000-memory.dmp

                      memory/860-211-0x0000000000C10000-0x0000000000C17000-memory.dmp

                      memory/860-212-0x0000000000C00000-0x0000000000C0C000-memory.dmp

                      memory/1628-160-0x0000000004750000-0x0000000004780000-memory.dmp

                      memory/1976-119-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/2680-188-0x0000000006190000-0x0000000006191000-memory.dmp

                      memory/2680-170-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/2680-191-0x00000000073A0000-0x00000000073A1000-memory.dmp

                      memory/2680-181-0x00000000051B0000-0x00000000057B6000-memory.dmp

                      memory/2680-190-0x0000000006CA0000-0x0000000006CA1000-memory.dmp

                      memory/2680-184-0x0000000005710000-0x0000000005711000-memory.dmp

                      memory/2788-225-0x0000000004800000-0x00000000048B5000-memory.dmp

                      memory/2788-226-0x0000000004980000-0x0000000004A34000-memory.dmp

                      memory/2788-227-0x0000000004A40000-0x0000000004AED000-memory.dmp

                      memory/2788-228-0x0000000004AF0000-0x0000000004B89000-memory.dmp

                      memory/2940-163-0x0000000004B40000-0x0000000004B41000-memory.dmp

                      memory/2940-149-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/2940-164-0x0000000004B42000-0x0000000004B43000-memory.dmp

                      memory/2940-161-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/2940-168-0x0000000004B43000-0x0000000004B44000-memory.dmp

                      memory/2940-162-0x0000000004A00000-0x0000000004A01000-memory.dmp

                      memory/2940-155-0x0000000002100000-0x000000000211C000-memory.dmp

                      memory/2940-157-0x00000000023A0000-0x00000000023BB000-memory.dmp

                      memory/2940-169-0x00000000056A0000-0x00000000056A1000-memory.dmp

                      memory/2940-165-0x0000000004B44000-0x0000000004B46000-memory.dmp

                      memory/2940-159-0x0000000002580000-0x0000000002581000-memory.dmp

                      memory/2940-158-0x0000000005050000-0x0000000005051000-memory.dmp

                      memory/2940-167-0x0000000005660000-0x0000000005661000-memory.dmp

                      memory/2960-189-0x0000000000400000-0x0000000002B85000-memory.dmp

                      memory/2960-187-0x00000000047C0000-0x000000000484F000-memory.dmp

                      memory/2960-183-0x0000000002C16000-0x0000000002C65000-memory.dmp

                      memory/3044-166-0x0000000002B30000-0x0000000002B46000-memory.dmp

                      memory/3044-122-0x00000000008F0000-0x0000000000906000-memory.dmp

                      memory/3444-144-0x0000000002C96000-0x0000000002CA7000-memory.dmp

                      memory/3520-194-0x0000000000660000-0x0000000000661000-memory.dmp

                      memory/3520-195-0x0000000000660000-0x0000000000661000-memory.dmp

                      memory/3536-136-0x0000000000460000-0x0000000000469000-memory.dmp

                      memory/3536-135-0x0000000000450000-0x0000000000458000-memory.dmp

                      memory/3536-139-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/3604-201-0x0000000000C00000-0x0000000000C6B000-memory.dmp

                      memory/3604-200-0x0000000000C70000-0x0000000000CE4000-memory.dmp

                      memory/3876-204-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

                      memory/3876-205-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

                      memory/3956-137-0x0000000000520000-0x0000000000521000-memory.dmp

                      memory/3956-140-0x0000000004D70000-0x0000000004D71000-memory.dmp

                      memory/3956-141-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

                      memory/3956-142-0x0000000004CF0000-0x0000000004D66000-memory.dmp

                      memory/3956-143-0x0000000005380000-0x0000000005381000-memory.dmp