Analysis

  • max time kernel
    121s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    18/09/2021, 16:46

General

  • Target
    6adda7a0a5080b87d796466737d213e2.exe
  • Size 323KB
  • Sample210918-t9z5jacdal
  • SHA256 4812efb0999ba68eaec97f7318e4d23bfbe3c46c11084dbf989a3623cb7285be
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • danabot

C2
  • 23.254.144.209:443

  • 23.254.227.74:443

  • 192.255.166.212:443

Attributes
  • embedded_hash

    0E1A7A1479C37094441FA911262B322A

Signatures

  • Danabot

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

  • 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 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 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 3 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
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Checks processor information in registry 2 TTPs 4 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6adda7a0a5080b87d796466737d213e2.exe
    "C:\Users\Admin\AppData\Local\Temp\6adda7a0a5080b87d796466737d213e2.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4008
    • 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:1028
      • C:\Users\Admin\AppData\Local\Temp\tabber\vidduivp.exe
        "C:\Users\Admin\AppData\Local\Temp\tabber\vidduivp.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1768
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c cmd < Ecco.sldx
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2340
          • C:\Windows\SysWOW64\cmd.exe
            cmd
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3404
            • C:\Windows\SysWOW64\findstr.exe
              findstr /V /R "^VFdhHsBtHykjDBZRijHcKUqoOaroKxZqLNKwrNzoiOpeUelrtmLvRdMwFonggzzhykBPRXOzSmgVKXhMoZrkICoxqIcUgyUOxWWJBxjiLaEawR$" Essendosi.sldx
              6⤵
                PID:3180
              • C:\Users\Admin\AppData\Roaming\Hai.exe.com
                Hai.exe.com E
                6⤵
                • Executes dropped EXE
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                • Suspicious use of WriteProcessMemory
                PID:2996
                • C:\Users\Admin\AppData\Roaming\Hai.exe.com
                  C:\Users\Admin\AppData\Roaming\Hai.exe.com E
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of WriteProcessMemory
                  PID:3988
                  • C:\Users\Admin\AppData\Roaming\nslookup.exe
                    C:\Users\Admin\AppData\Roaming\nslookup.exe 
                    8⤵
                    • Executes dropped EXE
                    • Checks processor information in registry
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:2376
                    • C:\Users\Admin\AppData\Local\Temp\ayeldng.exe
                      "C:\Users\Admin\AppData\Local\Temp\ayeldng.exe"
                      9⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:2680
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\AYELDN~1.DLL,s C:\Users\Admin\AppData\Local\Temp\ayeldng.exe
                        10⤵
                        • Loads dropped DLL
                        PID:2952
                    • C:\Windows\SysWOW64\WScript.exe
                      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hpslpgjc.vbs"
                      9⤵
                        PID:3408
                      • C:\Windows\SysWOW64\WScript.exe
                        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\uqkfgsopnla.vbs"
                        9⤵
                        • Blocklisted process makes network request
                        • Modifies system certificate store
                        PID:1776
                • C:\Windows\SysWOW64\PING.EXE
                  ping 127.0.0.1
                  6⤵
                  • Runs ping.exe
                  PID:3448
          • C:\Users\Admin\AppData\Local\Temp\tabber\feared.exe
            "C:\Users\Admin\AppData\Local\Temp\tabber\feared.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:2072
            • 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:2276
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\usYeYTnCmode & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\6adda7a0a5080b87d796466737d213e2.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\timeout.exe
            timeout 4
            3⤵
            • Delays execution with timeout.exe
            PID:1656

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/2072-138-0x00007FF634E90000-0x00007FF6357B2000-memory.dmp

            memory/2276-147-0x00007FF65F490000-0x00007FF65FDB2000-memory.dmp

            memory/2376-156-0x0000000000400000-0x0000000000427000-memory.dmp

            memory/2680-163-0x00000000009D0000-0x0000000000AD5000-memory.dmp

            memory/2680-164-0x0000000000400000-0x000000000052B000-memory.dmp

            memory/3988-155-0x0000000001240000-0x0000000001242000-memory.dmp

            memory/4008-115-0x0000000000540000-0x0000000000586000-memory.dmp

            memory/4008-116-0x0000000000400000-0x0000000000462000-memory.dmp