Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30/07/2021, 06:13

General

  • Target
    064e16460849b3fc974add9edf795b07.exe
  • Size 686KB
  • Sample210730-dnpppnd62x
  • SHA256 7cd14dd834ca1aab6cb21eee48c07c13ae10a9c62d6122aa690ae2ec9809ad80
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cryptbot

C2
  • ewaaut52.top

  • morexn05.top

Attributes
  • payload_url

    http://winorm07.top/download.php?file=lv.exe

Extracted

Family
  • danabot

Version
  • 1987

Botnet
  • 4

C2
  • 142.11.244.124:443

  • 142.11.206.50:443

Attributes
  • embedded_hash

    6AD9FE4F9E491E785665E0D144F61DAB

rsa_privkey.plain
rsa_pubkey.plain

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot Payload 3 IoCs
  • 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
  • Blocklisted process makes network request 6 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • 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.

  • 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.

  • 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 SetThreadContext 1 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 29 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 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\064e16460849b3fc974add9edf795b07.exe
    "C:\Users\Admin\AppData\Local\Temp\064e16460849b3fc974add9edf795b07.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Users\Admin\AppData\Local\Temp\Filett.exe
      "C:\Users\Admin\AppData\Local\Temp\Filett.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
        "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Suspicious use of WriteProcessMemory
        PID:2292
        • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
          "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: AddClipboardFormatListener
          PID:1148
      • C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
        "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4020
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c LvTasfZdX
          4⤵
            PID:2184
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c cmd < Rapiva.mov
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2372
            • C:\Windows\SysWOW64\cmd.exe
              cmd
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:3008
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V /R "^pAvofqIrkohjdrCgCTcBhWrPbuXmHqloifUaNcpwSZexQIXXPwRGojGjbGKoroclYytqolBuKxJgUJZOpqKGoDZUJIVuKqXJDRcKDXOFmLVODaaNHWZrnPwxulsAgccJvZKehgkkktubI$" Sento.mov
                6⤵
                  PID:3908
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
                  Arteria.exe.com U
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of WriteProcessMemory
                  PID:3884
                  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com
                    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Arteria.exe.com U
                    7⤵
                    • Executes dropped EXE
                    • Checks processor information in registry
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:3588
                    • C:\Users\Admin\AppData\Local\Temp\lmkchfgegryv.exe
                      "C:\Users\Admin\AppData\Local\Temp\lmkchfgegryv.exe"
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of WriteProcessMemory
                      PID:408
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\LMKCHF~1.TMP,S C:\Users\Admin\AppData\Local\Temp\LMKCHF~1.EXE
                        9⤵
                        • Blocklisted process makes network request
                        • Loads dropped DLL
                        • Drops file in Program Files directory
                        • Suspicious use of WriteProcessMemory
                        PID:1328
                        • C:\Windows\SysWOW64\RUNDLL32.EXE
                          C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\LMKCHF~1.TMP,gFQsNDQ5NEVK
                          10⤵
                          • Blocklisted process makes network request
                          • Loads dropped DLL
                          • Suspicious use of SetThreadContext
                          • Checks processor information in registry
                          • Modifies system certificate store
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          • Suspicious use of WriteProcessMemory
                          PID:2712
                          • C:\Windows\system32\rundll32.exe
                            C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17894
                            11⤵
                              PID:2224
                            • 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\tmpC918.tmp.ps1"
                              11⤵
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              PID:888
                            • 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\tmpE8A8.tmp.ps1"
                              11⤵
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:2716
                              • C:\Windows\SysWOW64\nslookup.exe
                                "C:\Windows\system32\nslookup.exe" -type=any localhost
                                12⤵
                                  PID:3004
                              • C:\Windows\SysWOW64\schtasks.exe
                                schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
                                11⤵
                                  PID:1328
                          • C:\Windows\SysWOW64\WScript.exe
                            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fbwlmibgdrkm.vbs"
                            8⤵
                              PID:1568
                            • C:\Windows\SysWOW64\WScript.exe
                              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wamactyy.vbs"
                              8⤵
                              • Blocklisted process makes network request
                              • Modifies system certificate store
                              PID:2140
                        • C:\Windows\SysWOW64\PING.EXE
                          ping localhost -n 30
                          6⤵
                          • Runs ping.exe
                          PID:3168
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\nGqNVcfgdb & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\064e16460849b3fc974add9edf795b07.exe"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2224
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout 2
                    3⤵
                    • Delays execution with timeout.exe
                    PID:3380

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    memory/408-167-0x0000000000400000-0x000000000332A000-memory.dmp

                    memory/408-165-0x00000000050B0000-0x00000000051B1000-memory.dmp

                    memory/664-114-0x0000000004E80000-0x0000000004F20000-memory.dmp

                    memory/664-115-0x0000000000400000-0x00000000032A7000-memory.dmp

                    memory/888-215-0x00000000094C0000-0x00000000094C1000-memory.dmp

                    memory/888-217-0x0000000008B30000-0x0000000008B31000-memory.dmp

                    memory/888-220-0x0000000004363000-0x0000000004364000-memory.dmp

                    memory/888-216-0x0000000008A50000-0x0000000008A51000-memory.dmp

                    memory/888-210-0x0000000007E20000-0x0000000007E21000-memory.dmp

                    memory/888-208-0x0000000007D40000-0x0000000007D41000-memory.dmp

                    memory/888-207-0x0000000007F10000-0x0000000007F11000-memory.dmp

                    memory/888-206-0x00000000078F0000-0x00000000078F1000-memory.dmp

                    memory/888-205-0x00000000075A0000-0x00000000075A1000-memory.dmp

                    memory/888-204-0x0000000006CF0000-0x0000000006CF1000-memory.dmp

                    memory/888-203-0x0000000007530000-0x0000000007531000-memory.dmp

                    memory/888-202-0x0000000006C50000-0x0000000006C51000-memory.dmp

                    memory/888-201-0x0000000004362000-0x0000000004363000-memory.dmp

                    memory/888-200-0x0000000004360000-0x0000000004361000-memory.dmp

                    memory/888-199-0x0000000006D90000-0x0000000006D91000-memory.dmp

                    memory/888-198-0x0000000004200000-0x0000000004201000-memory.dmp

                    memory/1148-153-0x0000000000400000-0x0000000003255000-memory.dmp

                    memory/1148-152-0x00000000032B0000-0x00000000032D6000-memory.dmp

                    memory/1328-181-0x0000000004800000-0x0000000005A96000-memory.dmp

                    memory/1328-166-0x0000000000C50000-0x0000000000DAF000-memory.dmp

                    memory/2224-194-0x000001AA0B1E0000-0x000001AA0B391000-memory.dmp

                    memory/2224-193-0x0000000000F00000-0x00000000010A0000-memory.dmp

                    memory/2292-149-0x0000000003260000-0x00000000033AA000-memory.dmp

                    memory/2292-151-0x0000000000400000-0x0000000003255000-memory.dmp

                    memory/2712-184-0x0000000004800000-0x0000000005A96000-memory.dmp

                    memory/2712-192-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

                    memory/2712-179-0x0000000000E80000-0x0000000000F2E000-memory.dmp

                    memory/2716-235-0x0000000008300000-0x0000000008301000-memory.dmp

                    memory/2716-247-0x0000000004523000-0x0000000004524000-memory.dmp

                    memory/2716-227-0x0000000004520000-0x0000000004521000-memory.dmp

                    memory/2716-228-0x0000000004522000-0x0000000004523000-memory.dmp

                    memory/2716-232-0x00000000079C0000-0x00000000079C1000-memory.dmp

                    memory/3588-154-0x0000000000E90000-0x0000000000E91000-memory.dmp