Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15-05-2021 01:57

General

  • Target

    9ECC56C60274314E5D1C62F5F51FEE28.exe

  • Size

    3.3MB

  • MD5

    9ecc56c60274314e5d1c62f5f51fee28

  • SHA1

    3911b8fd0bb8cf4c5346ebe5b9785d0a833e004c

  • SHA256

    2c32dcb54c310daf509527d74de8ab4cb7b45425fa543a5df22afd1e9bd00fd5

  • SHA512

    6bd7d06eb752acd6e173848ddeb30447b49286aa7ecdfa810b1cacc1e71385ed8fab8cc11b22511fe5d6a398af6d5eb224cf8da0f47a63c51bea18478cc688ca

Malware Config

Extracted

Family

redline

Botnet

source1

C2

199.195.251.96:43073

Extracted

Family

smokeloader

Version

2020

C2

http://khaleelahmed.com/upload/

http://twvickiassociation.com/upload/

http://www20833.com/upload/

http://cocinasintonterias.com/upload/

http://masaofukunaga.com/upload/

http://gnckids.com/upload/

rc4.i32
rc4.i32

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • 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.

  • Executes dropped EXE 16 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 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 10 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 2 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 3 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
  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
      PID:2804
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s Browser
      1⤵
        PID:2856
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2796
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2540
      • c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
        1⤵
          PID:2504
        • c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
          1⤵
            PID:1964
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k netsvcs -s UserManager
            1⤵
              PID:1376
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k netsvcs -s SENS
              1⤵
                PID:1352
              • C:\Users\Admin\AppData\Local\Temp\9ECC56C60274314E5D1C62F5F51FEE28.exe
                "C:\Users\Admin\AppData\Local\Temp\9ECC56C60274314E5D1C62F5F51FEE28.exe"
                1⤵
                • Checks computer location settings
                • Suspicious use of WriteProcessMemory
                PID:3164
                • C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe
                  "C:\Users\Admin\AppData\Local\Temp\jg2_2qua.exe"
                  2⤵
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1364
                • C:\Users\Admin\AppData\Local\Temp\Files.exe
                  "C:\Users\Admin\AppData\Local\Temp\Files.exe"
                  2⤵
                  • Executes dropped EXE
                  PID:2020
                  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe
                    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3516
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                      4⤵
                        PID:4528
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
                        4⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4540
                  • C:\Users\Admin\AppData\Local\Temp\KRSetp.exe
                    "C:\Users\Admin\AppData\Local\Temp\KRSetp.exe"
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:4596
                    • C:\Users\Admin\AppData\Roaming\7432657.exe
                      "C:\Users\Admin\AppData\Roaming\7432657.exe"
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4300
                    • C:\Users\Admin\AppData\Roaming\5286901.exe
                      "C:\Users\Admin\AppData\Roaming\5286901.exe"
                      3⤵
                        PID:4520
                        • C:\ProgramData\Windows Host\Windows Host.exe
                          "C:\ProgramData\Windows Host\Windows Host.exe"
                          4⤵
                          • Executes dropped EXE
                          PID:4740
                      • C:\Users\Admin\AppData\Roaming\2669602.exe
                        "C:\Users\Admin\AppData\Roaming\2669602.exe"
                        3⤵
                        • Executes dropped EXE
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        • Suspicious use of SetThreadContext
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4956
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\System32\cmd.exe" /c timeout 1
                          4⤵
                            PID:5040
                            • C:\Windows\SysWOW64\timeout.exe
                              timeout 1
                              5⤵
                              • Delays execution with timeout.exe
                              PID:4692
                          • C:\Users\Admin\AppData\Roaming\2669602.exe
                            "C:\Users\Admin\AppData\Roaming\2669602.exe"
                            4⤵
                            • Executes dropped EXE
                            PID:4796
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 1340
                            4⤵
                            • Drops file in Windows directory
                            • Program crash
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of WriteProcessMemory
                            PID:2020
                        • C:\Users\Admin\AppData\Roaming\8078720.exe
                          "C:\Users\Admin\AppData\Roaming\8078720.exe"
                          3⤵
                          • Executes dropped EXE
                          PID:4724
                      • C:\Users\Admin\AppData\Local\Temp\wf-game.exe
                        "C:\Users\Admin\AppData\Local\Temp\wf-game.exe"
                        2⤵
                        • Executes dropped EXE
                        • Checks computer location settings
                        • Suspicious use of WriteProcessMemory
                        PID:4640
                        • C:\Windows\SysWOW64\rUNdlL32.eXe
                          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",install
                          3⤵
                          • Loads dropped DLL
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:4108
                      • C:\Users\Admin\AppData\Local\Temp\pzyh.exe
                        "C:\Users\Admin\AppData\Local\Temp\pzyh.exe"
                        2⤵
                        • Executes dropped EXE
                        • Adds Run key to start application
                        • Suspicious use of WriteProcessMemory
                        PID:4708
                        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                          3⤵
                          • Executes dropped EXE
                          PID:4992
                        • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                          C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                          3⤵
                          • Executes dropped EXE
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4628
                      • C:\Users\Admin\AppData\Local\Temp\pub2.exe
                        "C:\Users\Admin\AppData\Local\Temp\pub2.exe"
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious behavior: MapViewOfSection
                        PID:4780
                      • C:\Users\Admin\AppData\Local\Temp\agdsk.exe
                        "C:\Users\Admin\AppData\Local\Temp\agdsk.exe"
                        2⤵
                        • Executes dropped EXE
                        • Modifies system certificate store
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4680
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /c taskkill /f /im chrome.exe
                          3⤵
                            PID:4532
                            • C:\Windows\System32\Conhost.exe
                              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                              4⤵
                              • Executes dropped EXE
                              • Adds Run key to start application
                              PID:4520
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /f /im chrome.exe
                              4⤵
                              • Kills process with taskkill
                              PID:1400
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k netsvcs -s Themes
                        1⤵
                          PID:1180
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                          1⤵
                            PID:1172
                          • c:\windows\system32\svchost.exe
                            c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                            1⤵
                            • Drops file in System32 directory
                            PID:344
                          • c:\windows\system32\svchost.exe
                            c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                            1⤵
                              PID:996
                            • \??\c:\windows\system32\svchost.exe
                              c:\windows\system32\svchost.exe -k netsvcs -s BITS
                              1⤵
                              • Suspicious use of SetThreadContext
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:3004
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k SystemNetworkService
                                2⤵
                                • Drops file in System32 directory
                                • Checks processor information in registry
                                • Modifies data under HKEY_USERS
                                • Modifies registry class
                                PID:4252
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                              1⤵
                              • Drops file in Windows directory
                              • Modifies Internet Explorer settings
                              • Modifies registry class
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of SetWindowsHookEx
                              PID:3900
                            • C:\Windows\system32\browser_broker.exe
                              C:\Windows\system32\browser_broker.exe -Embedding
                              1⤵
                              • Modifies Internet Explorer settings
                              PID:2776
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                              • Modifies registry class
                              • Suspicious use of SetWindowsHookEx
                              PID:4216
                            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                              1⤵
                              • Modifies registry class
                              PID:4696

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/344-239-0x0000022347B50000-0x0000022347BC0000-memory.dmp

                              Filesize

                              448KB

                            • memory/344-291-0x0000022348170000-0x00000223481E0000-memory.dmp

                              Filesize

                              448KB

                            • memory/996-266-0x0000028903C30000-0x0000028903CA0000-memory.dmp

                              Filesize

                              448KB

                            • memory/996-283-0x0000028903CA0000-0x0000028903D10000-memory.dmp

                              Filesize

                              448KB

                            • memory/1172-222-0x0000020298280000-0x00000202982F0000-memory.dmp

                              Filesize

                              448KB

                            • memory/1172-289-0x0000020298E70000-0x0000020298EE0000-memory.dmp

                              Filesize

                              448KB

                            • memory/1180-261-0x0000028C5D6B0000-0x0000028C5D720000-memory.dmp

                              Filesize

                              448KB

                            • memory/1180-297-0x0000028C5D720000-0x0000028C5D790000-memory.dmp

                              Filesize

                              448KB

                            • memory/1352-293-0x000001F2F2DA0000-0x000001F2F2E10000-memory.dmp

                              Filesize

                              448KB

                            • memory/1352-246-0x000001F2F2790000-0x000001F2F2800000-memory.dmp

                              Filesize

                              448KB

                            • memory/1364-244-0x0000000003810000-0x0000000003820000-memory.dmp

                              Filesize

                              64KB

                            • memory/1364-215-0x00000000035D0000-0x00000000035E0000-memory.dmp

                              Filesize

                              64KB

                            • memory/1376-299-0x00000186BEDB0000-0x00000186BEE20000-memory.dmp

                              Filesize

                              448KB

                            • memory/1376-263-0x00000186BEA00000-0x00000186BEA70000-memory.dmp

                              Filesize

                              448KB

                            • memory/1964-248-0x0000011193180000-0x00000111931F0000-memory.dmp

                              Filesize

                              448KB

                            • memory/1964-295-0x0000011193640000-0x00000111936B0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2504-285-0x000002978EB20000-0x000002978EB90000-memory.dmp

                              Filesize

                              448KB

                            • memory/2504-190-0x000002978DE90000-0x000002978DEDB000-memory.dmp

                              Filesize

                              300KB

                            • memory/2504-200-0x000002978EA40000-0x000002978EAB0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2540-208-0x0000019891D20000-0x0000019891D90000-memory.dmp

                              Filesize

                              448KB

                            • memory/2540-287-0x0000019892840000-0x00000198928B0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2716-277-0x0000000002A70000-0x0000000002A86000-memory.dmp

                              Filesize

                              88KB

                            • memory/2796-301-0x000001FE32C80000-0x000001FE32CF0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2796-265-0x000001FE32860000-0x000001FE328D0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2804-260-0x000002603B7A0000-0x000002603B810000-memory.dmp

                              Filesize

                              448KB

                            • memory/2856-225-0x00000272AB160000-0x00000272AB1D0000-memory.dmp

                              Filesize

                              448KB

                            • memory/2856-281-0x00000272AB740000-0x00000272AB7B0000-memory.dmp

                              Filesize

                              448KB

                            • memory/3004-202-0x00000240BABC0000-0x00000240BAC30000-memory.dmp

                              Filesize

                              448KB

                            • memory/3516-134-0x0000000005160000-0x0000000005176000-memory.dmp

                              Filesize

                              88KB

                            • memory/3516-135-0x0000000005E40000-0x0000000005E41000-memory.dmp

                              Filesize

                              4KB

                            • memory/3516-133-0x0000000004F10000-0x0000000004F4B000-memory.dmp

                              Filesize

                              236KB

                            • memory/3516-131-0x0000000004F10000-0x000000000540E000-memory.dmp

                              Filesize

                              5.0MB

                            • memory/3516-132-0x0000000004E50000-0x0000000004E51000-memory.dmp

                              Filesize

                              4KB

                            • memory/3516-130-0x0000000004D60000-0x0000000004D61000-memory.dmp

                              Filesize

                              4KB

                            • memory/3516-129-0x0000000005410000-0x0000000005411000-memory.dmp

                              Filesize

                              4KB

                            • memory/3516-127-0x0000000000420000-0x0000000000421000-memory.dmp

                              Filesize

                              4KB

                            • memory/4108-194-0x0000000002390000-0x00000000023EC000-memory.dmp

                              Filesize

                              368KB

                            • memory/4108-189-0x00000000027B6000-0x00000000028B7000-memory.dmp

                              Filesize

                              1.0MB

                            • memory/4252-242-0x000002472E600000-0x000002472E670000-memory.dmp

                              Filesize

                              448KB

                            • memory/4252-279-0x0000024730C00000-0x0000024730D05000-memory.dmp

                              Filesize

                              1.0MB

                            • memory/4300-199-0x0000000000950000-0x0000000000951000-memory.dmp

                              Filesize

                              4KB

                            • memory/4300-236-0x0000000000B10000-0x0000000000B11000-memory.dmp

                              Filesize

                              4KB

                            • memory/4300-184-0x00000000001E0000-0x00000000001E1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4300-204-0x00000000049C0000-0x00000000049C1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4300-231-0x000000000A0D0000-0x000000000A10C000-memory.dmp

                              Filesize

                              240KB

                            • memory/4520-214-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

                              Filesize

                              56KB

                            • memory/4520-237-0x0000000000C90000-0x0000000000C91000-memory.dmp

                              Filesize

                              4KB

                            • memory/4520-198-0x00000000003A0000-0x00000000003A1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4520-207-0x0000000000880000-0x0000000000881000-memory.dmp

                              Filesize

                              4KB

                            • memory/4540-165-0x0000000005260000-0x0000000005261000-memory.dmp

                              Filesize

                              4KB

                            • memory/4540-164-0x0000000004F20000-0x0000000005526000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/4540-159-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4540-148-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4540-141-0x0000000005530000-0x0000000005531000-memory.dmp

                              Filesize

                              4KB

                            • memory/4540-136-0x0000000000400000-0x000000000041C000-memory.dmp

                              Filesize

                              112KB

                            • memory/4540-145-0x0000000004F50000-0x0000000004F51000-memory.dmp

                              Filesize

                              4KB

                            • memory/4596-160-0x0000000001530000-0x0000000001531000-memory.dmp

                              Filesize

                              4KB

                            • memory/4596-163-0x0000000001560000-0x0000000001561000-memory.dmp

                              Filesize

                              4KB

                            • memory/4596-166-0x000000001BD10000-0x000000001BD12000-memory.dmp

                              Filesize

                              8KB

                            • memory/4596-162-0x0000000001540000-0x000000000155D000-memory.dmp

                              Filesize

                              116KB

                            • memory/4596-152-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4724-249-0x0000000005770000-0x0000000005771000-memory.dmp

                              Filesize

                              4KB

                            • memory/4740-267-0x00000000054B0000-0x00000000054B1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4780-253-0x00000000008A0000-0x00000000008A9000-memory.dmp

                              Filesize

                              36KB

                            • memory/4780-262-0x0000000000400000-0x0000000000845000-memory.dmp

                              Filesize

                              4.3MB

                            • memory/4796-276-0x0000000004F20000-0x0000000005526000-memory.dmp

                              Filesize

                              6.0MB

                            • memory/4956-258-0x00000000065E0000-0x00000000065E1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4956-228-0x00000000051F0000-0x00000000051F1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4956-219-0x00000000007F0000-0x00000000007F1000-memory.dmp

                              Filesize

                              4KB