Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    18-05-2021 11:54

General

  • Target

    d99a9787b92e10472b7b264e27e25bcb445f2e16f390eb005dc07f0543e300bb.exe

  • Size

    297KB

  • MD5

    5f207a80fa7b3bd94111284dd6e2ae6d

  • SHA1

    84c53fa72eff7540550edacf28119b00f18ef13e

  • SHA256

    d99a9787b92e10472b7b264e27e25bcb445f2e16f390eb005dc07f0543e300bb

  • SHA512

    7c48da9db89a4a926e8d723b3c00ba1eae0b30a651088c61f9693d95b2a43961dfb8f1575f2b3b319606a1371027b3b40a6d50e015a6108f908a1f2a4ff44bc2

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\d99a9787b92e10472b7b264e27e25bcb445f2e16f390eb005dc07f0543e300bb.exe
    "C:\Users\Admin\AppData\Local\Temp\d99a9787b92e10472b7b264e27e25bcb445f2e16f390eb005dc07f0543e300bb.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:464
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:456
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:808
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:1520
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:812
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:436
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:1632
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:1592
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:848
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:432
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:1040
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:1336
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:616
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:1932
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:860
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup politiaromana.bit ns2.virmach.ru
                                    2⤵
                                      PID:836
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                      2⤵
                                        PID:1532
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:1588
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:1092
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:1292
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:320
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:916
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:1800
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup gdcb.bit ns1.virmach.ru
                                                    2⤵
                                                      PID:2040
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                      2⤵
                                                        PID:1152
                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                        2⤵
                                                          PID:656
                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                          nslookup gdcb.bit ns2.virmach.ru
                                                          2⤵
                                                            PID:1604
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:1660
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:2036
                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                nslookup gdcb.bit ns1.virmach.ru
                                                                2⤵
                                                                  PID:1836
                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                  nslookup politiaromana.bit ns1.virmach.ru
                                                                  2⤵
                                                                    PID:948
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:792
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:1256
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:1976
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:844
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:632
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:1840
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:924

                                                                              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/320-82-0x0000000000000000-mapping.dmp
                                                                              • memory/432-71-0x0000000000000000-mapping.dmp
                                                                              • memory/436-67-0x0000000000000000-mapping.dmp
                                                                              • memory/456-63-0x0000000000000000-mapping.dmp
                                                                              • memory/464-62-0x0000000000000000-mapping.dmp
                                                                              • memory/616-74-0x0000000000000000-mapping.dmp
                                                                              • memory/632-97-0x0000000000000000-mapping.dmp
                                                                              • memory/656-87-0x0000000000000000-mapping.dmp
                                                                              • memory/792-93-0x0000000000000000-mapping.dmp
                                                                              • memory/808-64-0x0000000000000000-mapping.dmp
                                                                              • memory/812-66-0x0000000000000000-mapping.dmp
                                                                              • memory/836-77-0x0000000000000000-mapping.dmp
                                                                              • memory/844-96-0x0000000000000000-mapping.dmp
                                                                              • memory/848-70-0x0000000000000000-mapping.dmp
                                                                              • memory/860-76-0x0000000000000000-mapping.dmp
                                                                              • memory/916-83-0x0000000000000000-mapping.dmp
                                                                              • memory/924-99-0x0000000000000000-mapping.dmp
                                                                              • memory/948-92-0x0000000000000000-mapping.dmp
                                                                              • memory/1040-72-0x0000000000000000-mapping.dmp
                                                                              • memory/1092-80-0x0000000000000000-mapping.dmp
                                                                              • memory/1152-86-0x0000000000000000-mapping.dmp
                                                                              • memory/1256-94-0x0000000000000000-mapping.dmp
                                                                              • memory/1292-81-0x0000000000000000-mapping.dmp
                                                                              • memory/1336-73-0x0000000000000000-mapping.dmp
                                                                              • memory/1520-65-0x0000000000000000-mapping.dmp
                                                                              • memory/1532-78-0x0000000000000000-mapping.dmp
                                                                              • memory/1588-79-0x0000000000000000-mapping.dmp
                                                                              • memory/1592-69-0x0000000000000000-mapping.dmp
                                                                              • memory/1604-88-0x0000000000000000-mapping.dmp
                                                                              • memory/1632-68-0x0000000000000000-mapping.dmp
                                                                              • memory/1660-89-0x0000000000000000-mapping.dmp
                                                                              • memory/1748-60-0x0000000000400000-0x0000000000E84000-memory.dmp
                                                                                Filesize

                                                                                10.5MB

                                                                              • memory/1748-59-0x00000000757E1000-0x00000000757E3000-memory.dmp
                                                                                Filesize

                                                                                8KB

                                                                              • memory/1748-61-0x0000000000230000-0x0000000000246000-memory.dmp
                                                                                Filesize

                                                                                88KB

                                                                              • memory/1800-84-0x0000000000000000-mapping.dmp
                                                                              • memory/1836-91-0x0000000000000000-mapping.dmp
                                                                              • memory/1840-98-0x0000000000000000-mapping.dmp
                                                                              • memory/1932-75-0x0000000000000000-mapping.dmp
                                                                              • memory/1976-95-0x0000000000000000-mapping.dmp
                                                                              • memory/2036-90-0x0000000000000000-mapping.dmp
                                                                              • memory/2040-85-0x0000000000000000-mapping.dmp