Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    18-05-2021 13:11

General

  • Target

    b7680a5071367e5e4f8412bc5cdc3cb82eaa0aaa03b4b08f0908069ed86de4ea.exe

  • Size

    266KB

  • MD5

    8d7f8e4240f451ad0d96b255f4c9dfb6

  • SHA1

    8529fe7c200ce765610b748a966ed204c7ae879e

  • SHA256

    b7680a5071367e5e4f8412bc5cdc3cb82eaa0aaa03b4b08f0908069ed86de4ea

  • SHA512

    4ab988615473a2ec2da09ace4082359d559326dfcaeee21cc71b553e41d9df961cee3bddce0879089a54cdaea1bce379d99eac4442874ee67a3968deea6f7baf

Malware Config

Signatures

  • GandCrab Payload 1 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7680a5071367e5e4f8412bc5cdc3cb82eaa0aaa03b4b08f0908069ed86de4ea.exe
    "C:\Users\Admin\AppData\Local\Temp\b7680a5071367e5e4f8412bc5cdc3cb82eaa0aaa03b4b08f0908069ed86de4ea.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:568
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:944
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:972
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:924
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:1884
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:1360
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:776
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:1700
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:820
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:1152
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:1520
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:992
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:996
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:1016
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:1736
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup politiaromana.bit ns2.virmach.ru
                                    2⤵
                                      PID:676
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                      2⤵
                                        PID:1056
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:956
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:832
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:700
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:1432
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:1544
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:1708
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup gdcb.bit ns1.virmach.ru
                                                    2⤵
                                                      PID:1468
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                      2⤵
                                                        PID:1952
                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                        2⤵
                                                          PID:1848
                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                          nslookup gdcb.bit ns2.virmach.ru
                                                          2⤵
                                                            PID:1652
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:2032
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:1172
                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                nslookup gdcb.bit ns1.virmach.ru
                                                                2⤵
                                                                  PID:1600
                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                  nslookup politiaromana.bit ns1.virmach.ru
                                                                  2⤵
                                                                    PID:976
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:1960
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:316
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:1896
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:1300
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:1108
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:1320
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:1992

                                                                              Network

                                                                              MITRE ATT&CK Matrix ATT&CK v6

                                                                              Persistence

                                                                              Registry Run Keys / Startup Folder

                                                                              1
                                                                              T1060

                                                                              Defense Evasion

                                                                              Modify Registry

                                                                              1
                                                                              T1112

                                                                              Discovery

                                                                              Query Registry

                                                                              2
                                                                              T1012

                                                                              Peripheral Device Discovery

                                                                              1
                                                                              T1120

                                                                              System Information Discovery

                                                                              2
                                                                              T1082

                                                                              Replay Monitor

                                                                              Loading Replay Monitor...

                                                                              Downloads

                                                                              • memory/316-95-0x0000000000000000-mapping.dmp
                                                                              • memory/568-63-0x0000000000000000-mapping.dmp
                                                                              • memory/676-78-0x0000000000000000-mapping.dmp
                                                                              • memory/700-82-0x0000000000000000-mapping.dmp
                                                                              • memory/776-69-0x0000000000000000-mapping.dmp
                                                                              • memory/820-71-0x0000000000000000-mapping.dmp
                                                                              • memory/832-81-0x0000000000000000-mapping.dmp
                                                                              • memory/924-66-0x0000000000000000-mapping.dmp
                                                                              • memory/944-64-0x0000000000000000-mapping.dmp
                                                                              • memory/956-80-0x0000000000000000-mapping.dmp
                                                                              • memory/972-65-0x0000000000000000-mapping.dmp
                                                                              • memory/976-93-0x0000000000000000-mapping.dmp
                                                                              • memory/992-74-0x0000000000000000-mapping.dmp
                                                                              • memory/996-75-0x0000000000000000-mapping.dmp
                                                                              • memory/1016-76-0x0000000000000000-mapping.dmp
                                                                              • memory/1040-60-0x0000000000230000-0x0000000000249000-memory.dmp
                                                                                Filesize

                                                                                100KB

                                                                              • memory/1040-59-0x0000000074F31000-0x0000000074F33000-memory.dmp
                                                                                Filesize

                                                                                8KB

                                                                              • memory/1040-61-0x0000000000400000-0x000000000074C000-memory.dmp
                                                                                Filesize

                                                                                3.3MB

                                                                              • memory/1040-62-0x0000000000250000-0x0000000000266000-memory.dmp
                                                                                Filesize

                                                                                88KB

                                                                              • memory/1056-79-0x0000000000000000-mapping.dmp
                                                                              • memory/1108-98-0x0000000000000000-mapping.dmp
                                                                              • memory/1152-72-0x0000000000000000-mapping.dmp
                                                                              • memory/1172-91-0x0000000000000000-mapping.dmp
                                                                              • memory/1300-97-0x0000000000000000-mapping.dmp
                                                                              • memory/1320-99-0x0000000000000000-mapping.dmp
                                                                              • memory/1360-68-0x0000000000000000-mapping.dmp
                                                                              • memory/1432-83-0x0000000000000000-mapping.dmp
                                                                              • memory/1468-86-0x0000000000000000-mapping.dmp
                                                                              • memory/1520-73-0x0000000000000000-mapping.dmp
                                                                              • memory/1544-84-0x0000000000000000-mapping.dmp
                                                                              • memory/1600-92-0x0000000000000000-mapping.dmp
                                                                              • memory/1652-89-0x0000000000000000-mapping.dmp
                                                                              • memory/1700-70-0x0000000000000000-mapping.dmp
                                                                              • memory/1708-85-0x0000000000000000-mapping.dmp
                                                                              • memory/1736-77-0x0000000000000000-mapping.dmp
                                                                              • memory/1848-88-0x0000000000000000-mapping.dmp
                                                                              • memory/1884-67-0x0000000000000000-mapping.dmp
                                                                              • memory/1896-96-0x0000000000000000-mapping.dmp
                                                                              • memory/1952-87-0x0000000000000000-mapping.dmp
                                                                              • memory/1960-94-0x0000000000000000-mapping.dmp
                                                                              • memory/1992-100-0x0000000000000000-mapping.dmp
                                                                              • memory/2032-90-0x0000000000000000-mapping.dmp