Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    18-05-2021 02:52

General

  • Target

    2b77d2d1caed4ed2c085f16982d8bb69441e144dd3ee5407c5f78d03e3a158d6.exe

  • Size

    207KB

  • MD5

    08d9daa90cacc71bd3f96e056699e318

  • SHA1

    e048e8bde75f2660fd6eb8c834da4b895f943d02

  • SHA256

    2b77d2d1caed4ed2c085f16982d8bb69441e144dd3ee5407c5f78d03e3a158d6

  • SHA512

    930fb50777ae4938ed43d42a7a3188cb0f0015da8a8816b8714dc35b91397b59fc770bb0beae858cb99ceabc7118d21079cce564b56db62b790f175aa5b32ca5

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\2b77d2d1caed4ed2c085f16982d8bb69441e144dd3ee5407c5f78d03e3a158d6.exe
    "C:\Users\Admin\AppData\Local\Temp\2b77d2d1caed4ed2c085f16982d8bb69441e144dd3ee5407c5f78d03e3a158d6.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:1472
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:1052
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:1368
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:652
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:1848
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:1144
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:1912
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:1708
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:1308
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:1300
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:288
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:1732
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:2036
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:968
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:924
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup politiaromana.bit ns2.virmach.ru
                                    2⤵
                                      PID:1476
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                      2⤵
                                        PID:1540
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:1780
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:900
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:1176
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:1768
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:1752
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:1996
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup gdcb.bit ns1.virmach.ru
                                                    2⤵
                                                      PID:328
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                      2⤵
                                                        PID:1012
                                                      • 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:1664
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:556
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:1916
                                                              • 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:1716
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:644
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:948
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:1524
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:1992
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:824
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:1336
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:436

                                                                              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/288-72-0x0000000000000000-mapping.dmp
                                                                              • memory/328-85-0x0000000000000000-mapping.dmp
                                                                              • memory/436-99-0x0000000000000000-mapping.dmp
                                                                              • memory/556-89-0x0000000000000000-mapping.dmp
                                                                              • memory/644-93-0x0000000000000000-mapping.dmp
                                                                              • memory/652-65-0x0000000000000000-mapping.dmp
                                                                              • memory/824-97-0x0000000000000000-mapping.dmp
                                                                              • memory/900-80-0x0000000000000000-mapping.dmp
                                                                              • memory/924-76-0x0000000000000000-mapping.dmp
                                                                              • memory/948-94-0x0000000000000000-mapping.dmp
                                                                              • memory/968-75-0x0000000000000000-mapping.dmp
                                                                              • memory/1012-86-0x0000000000000000-mapping.dmp
                                                                              • memory/1052-63-0x0000000000000000-mapping.dmp
                                                                              • memory/1084-59-0x00000000752F1000-0x00000000752F3000-memory.dmp
                                                                                Filesize

                                                                                8KB

                                                                              • memory/1084-60-0x0000000000400000-0x0000000000443000-memory.dmp
                                                                                Filesize

                                                                                268KB

                                                                              • memory/1084-61-0x00000000002B0000-0x00000000002C6000-memory.dmp
                                                                                Filesize

                                                                                88KB

                                                                              • memory/1144-67-0x0000000000000000-mapping.dmp
                                                                              • memory/1176-81-0x0000000000000000-mapping.dmp
                                                                              • memory/1300-71-0x0000000000000000-mapping.dmp
                                                                              • memory/1308-70-0x0000000000000000-mapping.dmp
                                                                              • memory/1336-98-0x0000000000000000-mapping.dmp
                                                                              • memory/1368-64-0x0000000000000000-mapping.dmp
                                                                              • memory/1472-62-0x0000000000000000-mapping.dmp
                                                                              • memory/1476-77-0x0000000000000000-mapping.dmp
                                                                              • memory/1524-95-0x0000000000000000-mapping.dmp
                                                                              • memory/1540-78-0x0000000000000000-mapping.dmp
                                                                              • memory/1600-91-0x0000000000000000-mapping.dmp
                                                                              • memory/1664-88-0x0000000000000000-mapping.dmp
                                                                              • memory/1708-69-0x0000000000000000-mapping.dmp
                                                                              • memory/1716-92-0x0000000000000000-mapping.dmp
                                                                              • memory/1732-73-0x0000000000000000-mapping.dmp
                                                                              • memory/1752-83-0x0000000000000000-mapping.dmp
                                                                              • memory/1768-82-0x0000000000000000-mapping.dmp
                                                                              • memory/1780-79-0x0000000000000000-mapping.dmp
                                                                              • memory/1848-66-0x0000000000000000-mapping.dmp
                                                                              • memory/1912-68-0x0000000000000000-mapping.dmp
                                                                              • memory/1916-90-0x0000000000000000-mapping.dmp
                                                                              • memory/1960-87-0x0000000000000000-mapping.dmp
                                                                              • memory/1992-96-0x0000000000000000-mapping.dmp
                                                                              • memory/1996-84-0x0000000000000000-mapping.dmp
                                                                              • memory/2036-74-0x0000000000000000-mapping.dmp