Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 21:52

General

  • Target

    2024-03-29_d0cc74d54a208073ff298ba147171b15_karagany_mafia.exe

  • Size

    308KB

  • MD5

    d0cc74d54a208073ff298ba147171b15

  • SHA1

    74dd060d842852b34d8bef833967b98a064bfce7

  • SHA256

    cfec01a5f4fc8c4fe47ca844630b45008993867c8dc831c8647e6dbbdea29ca1

  • SHA512

    94d95ebf06c3674fd1983ac4f7ae7d55363dc1182db5699fc31fc2f06ab87b1c23d184bf8718ee0f43f790a009edeb228346546db81ba5a5f86795553e2bad39

  • SSDEEP

    6144:kZ5fh1s4mex2OO8bAiZ0YDChe8UN5alW6jx+n:w5frs4f2OOm/Ao8UNglGn

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\2024-03-29_d0cc74d54a208073ff298ba147171b15_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_d0cc74d54a208073ff298ba147171b15_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:1504
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:2632
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:2184
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:2580
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:2444
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:2956
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:1896
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:2760
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:1660
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:1980
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:2688
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:1088
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:2148
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:572
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:1440
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:2044
                                  • 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:1080
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:548
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:1820
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:2112
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:1056
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:1356
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:1364
                                                  • 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:1012
                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                        2⤵
                                                          PID:1528
                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                          nslookup gdcb.bit ns2.virmach.ru
                                                          2⤵
                                                            PID:1776
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:3064
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:2172
                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                nslookup gdcb.bit ns1.virmach.ru
                                                                2⤵
                                                                  PID:1628
                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                  nslookup politiaromana.bit ns1.virmach.ru
                                                                  2⤵
                                                                    PID:1580
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:2888
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:2516
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:2564
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:2548
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:2576
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:2412
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:2532
                                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                                  nslookup gdcb.bit ns2.virmach.ru
                                                                                  2⤵
                                                                                    PID:312
                                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                                    nslookup politiaromana.bit ns2.virmach.ru
                                                                                    2⤵
                                                                                      PID:1956
                                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                                      2⤵
                                                                                        PID:2664
                                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                                        nslookup gdcb.bit ns1.virmach.ru
                                                                                        2⤵
                                                                                          PID:1428

                                                                                      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/1504-0-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/1504-2-0x0000000000D80000-0x0000000000E80000-memory.dmp
                                                                                        Filesize

                                                                                        1024KB

                                                                                      • memory/1504-3-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/1504-5-0x0000000000020000-0x0000000000036000-memory.dmp
                                                                                        Filesize

                                                                                        88KB

                                                                                      • memory/1504-11-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/1504-12-0x0000000000D80000-0x0000000000E80000-memory.dmp
                                                                                        Filesize

                                                                                        1024KB

                                                                                      • memory/1504-14-0x0000000000020000-0x0000000000036000-memory.dmp
                                                                                        Filesize

                                                                                        88KB