Analysis

  • max time kernel
    140s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28/09/2021, 06:06

General

  • Target
    881838479bd774a3e90aaba668a922d8.exe
  • Size 370KB
  • Sample210928-gtspasagen
  • SHA256 e0bc481d34f12788300cff55706ef6352f59e3c206b930ca08b2f7c76af3e795
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Danabot Loader Component 7 IoCs
  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 5 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 6 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 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 22 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\881838479bd774a3e90aaba668a922d8.exe
    "C:\Users\Admin\AppData\Local\Temp\881838479bd774a3e90aaba668a922d8.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Users\Admin\AppData\Local\Temp\dislip\parted.exe
        "C:\Users\Admin\AppData\Local\Temp\dislip\parted.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Drops startup file
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:820
        • C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
          "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
          4⤵
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: AddClipboardFormatListener
          PID:516
      • C:\Users\Admin\AppData\Local\Temp\dislip\wheezy.exe
        "C:\Users\Admin\AppData\Local\Temp\dislip\wheezy.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:972
        • C:\Windows\SysWOW64\dllhost.exe
          dllhost.exe
          4⤵
            PID:1176
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c cmd < Quegli.wav
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2184
            • C:\Windows\SysWOW64\cmd.exe
              cmd
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:3264
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V /R "^DUaegCnUMchmsYAygRiDFQbmDzwCKZUZJepHBYJZehdUDKbgCOorIoZNvTmUBVpMAhPfPTEdoiBamDVSWNqWRRdBeclInOnitDzdUonJlSVAHHhSXGYOUhVJWgj$" Bel.wav
                6⤵
                  PID:2212
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bisogna.exe.com
                  Bisogna.exe.com l
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of WriteProcessMemory
                  PID:3672
                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bisogna.exe.com
                    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bisogna.exe.com l
                    7⤵
                    • Executes dropped EXE
                    • Checks processor information in registry
                    • Modifies registry class
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    PID:2808
                    • C:\Users\Admin\AppData\Local\Temp\tionmpthr.exe
                      "C:\Users\Admin\AppData\Local\Temp\tionmpthr.exe"
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:1560
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIONMP~1.DLL,s C:\Users\Admin\AppData\Local\Temp\TIONMP~1.EXE
                        9⤵
                        • Blocklisted process makes network request
                        • Loads dropped DLL
                        • Drops file in Program Files directory
                        • Suspicious use of WriteProcessMemory
                        PID:3920
                        • C:\Windows\SysWOW64\RUNDLL32.EXE
                          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\TIONMP~1.DLL,oWBB
                          10⤵
                          • Loads dropped DLL
                          • Checks processor information in registry
                          PID:3372
                          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\TIONMP~1.DLL
                            11⤵
                              PID:1424
                            • C:\Windows\SysWOW64\RUNDLL32.EXE
                              C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\TIONMP~1.DLL,OS0L
                              11⤵
                                PID:3768
                                • C:\Windows\system32\rundll32.exe
                                  C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 19638
                                  12⤵
                                    PID:4084
                                    • C:\Windows\system32\ctfmon.exe
                                      ctfmon.exe
                                      13⤵
                                        PID:3380
                                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpCD9D.tmp.ps1"
                                    11⤵
                                      PID:956
                              • C:\Windows\SysWOW64\WScript.exe
                                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\kuhjlnruch.vbs"
                                8⤵
                                  PID:3684
                                • C:\Windows\SysWOW64\WScript.exe
                                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\jhupygdk.vbs"
                                  8⤵
                                  • Blocklisted process makes network request
                                  • Modifies system certificate store
                                  PID:1176
                            • C:\Windows\SysWOW64\PING.EXE
                              ping 127.0.0.1
                              6⤵
                              • Runs ping.exe
                              PID:3268
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\PlpWFnjCUMw & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\881838479bd774a3e90aaba668a922d8.exe"
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2700
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout 4
                        3⤵
                        • Delays execution with timeout.exe
                        PID:1216

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        memory/516-151-0x00007FF731940000-0x00007FF73224A000-memory.dmp

                        memory/820-142-0x00007FF7B2E40000-0x00007FF7B374A000-memory.dmp

                        memory/956-232-0x0000000004600000-0x0000000004601000-memory.dmp

                        memory/956-234-0x0000000004602000-0x0000000004603000-memory.dmp

                        memory/1424-212-0x0000000007B60000-0x0000000007B61000-memory.dmp

                        memory/1424-198-0x0000000004890000-0x0000000004891000-memory.dmp

                        memory/1424-201-0x00000000071F0000-0x00000000071F1000-memory.dmp

                        memory/1424-199-0x0000000007310000-0x0000000007311000-memory.dmp

                        memory/1424-222-0x00000000083F0000-0x00000000083F1000-memory.dmp

                        memory/1424-221-0x0000000007A60000-0x0000000007A61000-memory.dmp

                        memory/1424-220-0x00000000079C0000-0x00000000079C1000-memory.dmp

                        memory/1424-204-0x0000000004900000-0x0000000004901000-memory.dmp

                        memory/1424-211-0x00000000079F0000-0x00000000079F1000-memory.dmp

                        memory/1424-210-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

                        memory/1424-206-0x0000000004902000-0x0000000004903000-memory.dmp

                        memory/1560-172-0x0000000000400000-0x0000000002C6E000-memory.dmp

                        memory/1560-171-0x0000000003310000-0x0000000003413000-memory.dmp

                        memory/2648-115-0x0000000002CD0000-0x0000000002E1A000-memory.dmp

                        memory/2648-116-0x0000000000400000-0x0000000002BA6000-memory.dmp

                        memory/3372-191-0x0000000004630000-0x0000000005615000-memory.dmp

                        memory/3372-186-0x0000000005840000-0x0000000005841000-memory.dmp

                        memory/3768-217-0x00000000063B0000-0x00000000063B1000-memory.dmp

                        memory/3768-208-0x0000000005170000-0x0000000006155000-memory.dmp

                        memory/3920-176-0x0000000005920000-0x0000000005921000-memory.dmp

                        memory/3920-175-0x0000000004760000-0x0000000005745000-memory.dmp

                        memory/3920-170-0x0000000003FC0000-0x0000000004121000-memory.dmp

                        memory/4084-218-0x00000000009A0000-0x0000000000B40000-memory.dmp

                        memory/4084-219-0x0000020EF5C90000-0x0000020EF5E42000-memory.dmp