Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 15:37

General

  • Target

    2024-03-31_7715d65af53705e4f8314b6e653448e4_karagany_mafia.exe

  • Size

    308KB

  • MD5

    7715d65af53705e4f8314b6e653448e4

  • SHA1

    db923a422c3295c6f594035590fda3c70857383c

  • SHA256

    74d15999a90f6b33bd8db3b37f318ce6986ce1d8e89a1002cb3f5374c5ebb659

  • SHA512

    3f656bc2d97762147471eda3e2e7a533724ef56e05a772e288809c7512c71ee18d2066c4b342278eb4238faa727f37a8ad6fe5a008dc1c2b81a958285e1739c0

  • SSDEEP

    6144:SZ5fh1s4mex2OO8bAiZ0YDChe8UN5alW6jx+J:C5frs4f2OOm/Ao8UNglGJ

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Detects Reflective DLL injection artifacts 4 IoCs
  • Detects ransomware indicator 2 IoCs
  • Gandcrab Payload 4 IoCs
  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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\2024-03-31_7715d65af53705e4f8314b6e653448e4_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-31_7715d65af53705e4f8314b6e653448e4_karagany_mafia.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:2592
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:2536
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:2416
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:2440
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:2408
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:2900
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:2912
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:2628
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:2724
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:1260
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:1840
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:340
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:1552
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:848
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:2640
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup politiaromana.bit ns2.virmach.ru
                                    2⤵
                                      PID:2024
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                      2⤵
                                        PID:2004
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:1932
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:2200
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:528
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:1564
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:2776
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:920
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup gdcb.bit ns1.virmach.ru
                                                    2⤵
                                                      PID:1720
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                      2⤵
                                                        PID:2980
                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                        2⤵
                                                          PID:1656
                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                          nslookup gdcb.bit ns2.virmach.ru
                                                          2⤵
                                                            PID:404
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:3060
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:2360
                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                nslookup gdcb.bit ns1.virmach.ru
                                                                2⤵
                                                                  PID:2252
                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                  nslookup politiaromana.bit ns1.virmach.ru
                                                                  2⤵
                                                                    PID:2132
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:2600
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:1716
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:2176
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:1524
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:2124
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:2472
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:2520
                                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                                  nslookup gdcb.bit ns2.virmach.ru
                                                                                  2⤵
                                                                                    PID:2448
                                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                                    nslookup politiaromana.bit ns2.virmach.ru
                                                                                    2⤵
                                                                                      PID:2404
                                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                                      2⤵
                                                                                        PID:2056
                                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                                        nslookup gdcb.bit ns1.virmach.ru
                                                                                        2⤵
                                                                                          PID:2824
                                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                                          nslookup politiaromana.bit ns1.virmach.ru
                                                                                          2⤵
                                                                                            PID:1884
                                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                            2⤵
                                                                                              PID:2644
                                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                                              nslookup gdcb.bit ns2.virmach.ru
                                                                                              2⤵
                                                                                                PID:2800
                                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                                nslookup politiaromana.bit ns2.virmach.ru
                                                                                                2⤵
                                                                                                  PID:1504
                                                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                                                  2⤵
                                                                                                    PID:1604
                                                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                                                    nslookup gdcb.bit ns1.virmach.ru
                                                                                                    2⤵
                                                                                                      PID:1544
                                                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                                                                      2⤵
                                                                                                        PID:2380
                                                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                                        2⤵
                                                                                                          PID:2796
                                                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                                                          nslookup gdcb.bit ns2.virmach.ru
                                                                                                          2⤵
                                                                                                            PID:1672
                                                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                                                                            2⤵
                                                                                                              PID:1976

                                                                                                          Network

                                                                                                          MITRE ATT&CK Matrix ATT&CK v13

                                                                                                          Persistence

                                                                                                          Boot or Logon Autostart Execution

                                                                                                          1
                                                                                                          T1547

                                                                                                          Registry Run Keys / Startup Folder

                                                                                                          1
                                                                                                          T1547.001

                                                                                                          Privilege Escalation

                                                                                                          Boot or Logon Autostart Execution

                                                                                                          1
                                                                                                          T1547

                                                                                                          Registry Run Keys / Startup Folder

                                                                                                          1
                                                                                                          T1547.001

                                                                                                          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/1924-0-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                                            Filesize

                                                                                                            8.2MB

                                                                                                          • memory/1924-3-0x0000000000240000-0x0000000000256000-memory.dmp
                                                                                                            Filesize

                                                                                                            88KB

                                                                                                          • memory/1924-4-0x0000000000CE0000-0x0000000000DE0000-memory.dmp
                                                                                                            Filesize

                                                                                                            1024KB

                                                                                                          • memory/1924-2-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                                            Filesize

                                                                                                            8.2MB

                                                                                                          • memory/1924-6-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                                            Filesize

                                                                                                            8.2MB

                                                                                                          • memory/1924-12-0x0000000000CE0000-0x0000000000DE0000-memory.dmp
                                                                                                            Filesize

                                                                                                            1024KB

                                                                                                          • memory/1924-14-0x0000000000240000-0x0000000000256000-memory.dmp
                                                                                                            Filesize

                                                                                                            88KB