Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 21:51

General

  • Target

    2024-03-29_c83c380ae0984f5cd2df9081f7909d31_karagany_mafia.exe

  • Size

    308KB

  • MD5

    c83c380ae0984f5cd2df9081f7909d31

  • SHA1

    40a02575a4b82fecf73cf4df662cb304a95180ca

  • SHA256

    e82d181979e189c17e1782ba95a88560cd01a964c2f3cf5e3875bd9a4da80a57

  • SHA512

    15362c48d24a1ddb485f5493969f974554542df9a8f83578a380bdcf56f2bd897cf7e76aced21631f267cd15cdbabd0c6c25f2f5c65242a9377cdbb31c7bd96a

  • SSDEEP

    6144:RZ5fh1s4mex2OO8bAiZ0YDChe8UN5alW6jx+B:f5frs4f2OOm/Ao8UNglGB

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_c83c380ae0984f5cd2df9081f7909d31_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_c83c380ae0984f5cd2df9081f7909d31_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:2020
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup politiaromana.bit ns1.virmach.ru
      2⤵
        PID:2628
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup malwarehunterteam.bit ns1.virmach.ru
        2⤵
          PID:2528
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup gdcb.bit ns2.virmach.ru
          2⤵
            PID:2708
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup politiaromana.bit ns2.virmach.ru
            2⤵
              PID:2740
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup malwarehunterteam.bit ns2.virmach.ru
              2⤵
                PID:2400
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup gdcb.bit ns1.virmach.ru
                2⤵
                  PID:2464
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup politiaromana.bit ns1.virmach.ru
                  2⤵
                    PID:3044
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup malwarehunterteam.bit ns1.virmach.ru
                    2⤵
                      PID:2016
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup gdcb.bit ns2.virmach.ru
                      2⤵
                        PID:436
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup politiaromana.bit ns2.virmach.ru
                        2⤵
                          PID:1480
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup malwarehunterteam.bit ns2.virmach.ru
                          2⤵
                            PID:2736
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup gdcb.bit ns1.virmach.ru
                            2⤵
                              PID:2772
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup politiaromana.bit ns1.virmach.ru
                              2⤵
                                PID:2024
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                2⤵
                                  PID:2236
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup gdcb.bit ns2.virmach.ru
                                  2⤵
                                    PID:940
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup politiaromana.bit ns2.virmach.ru
                                    2⤵
                                      PID:1796
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                      2⤵
                                        PID:1168
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup gdcb.bit ns1.virmach.ru
                                        2⤵
                                          PID:1640
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup politiaromana.bit ns1.virmach.ru
                                          2⤵
                                            PID:2104
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup malwarehunterteam.bit ns1.virmach.ru
                                            2⤵
                                              PID:3048
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup gdcb.bit ns2.virmach.ru
                                              2⤵
                                                PID:2156
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup politiaromana.bit ns2.virmach.ru
                                                2⤵
                                                  PID:3028
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup malwarehunterteam.bit ns2.virmach.ru
                                                  2⤵
                                                    PID:2948
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup gdcb.bit ns1.virmach.ru
                                                    2⤵
                                                      PID:2264
                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                      nslookup politiaromana.bit ns1.virmach.ru
                                                      2⤵
                                                        PID:1140
                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                        nslookup malwarehunterteam.bit ns1.virmach.ru
                                                        2⤵
                                                          PID:2084
                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                          nslookup gdcb.bit ns2.virmach.ru
                                                          2⤵
                                                            PID:960
                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                            nslookup politiaromana.bit ns2.virmach.ru
                                                            2⤵
                                                              PID:3008
                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                              nslookup malwarehunterteam.bit ns2.virmach.ru
                                                              2⤵
                                                                PID:1740
                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                nslookup gdcb.bit ns1.virmach.ru
                                                                2⤵
                                                                  PID:2188
                                                                • C:\Windows\SysWOW64\nslookup.exe
                                                                  nslookup politiaromana.bit ns1.virmach.ru
                                                                  2⤵
                                                                    PID:1620
                                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                                    nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                    2⤵
                                                                      PID:2856
                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                      nslookup gdcb.bit ns2.virmach.ru
                                                                      2⤵
                                                                        PID:1592
                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                        nslookup politiaromana.bit ns2.virmach.ru
                                                                        2⤵
                                                                          PID:2216
                                                                        • C:\Windows\SysWOW64\nslookup.exe
                                                                          nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                          2⤵
                                                                            PID:2672
                                                                          • C:\Windows\SysWOW64\nslookup.exe
                                                                            nslookup gdcb.bit ns1.virmach.ru
                                                                            2⤵
                                                                              PID:2556
                                                                            • C:\Windows\SysWOW64\nslookup.exe
                                                                              nslookup politiaromana.bit ns1.virmach.ru
                                                                              2⤵
                                                                                PID:2448
                                                                              • C:\Windows\SysWOW64\nslookup.exe
                                                                                nslookup malwarehunterteam.bit ns1.virmach.ru
                                                                                2⤵
                                                                                  PID:2160
                                                                                • 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:2900
                                                                                    • C:\Windows\SysWOW64\nslookup.exe
                                                                                      nslookup malwarehunterteam.bit ns2.virmach.ru
                                                                                      2⤵
                                                                                        PID:792
                                                                                      • C:\Windows\SysWOW64\nslookup.exe
                                                                                        nslookup gdcb.bit ns1.virmach.ru
                                                                                        2⤵
                                                                                          PID:1496

                                                                                      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/2020-0-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/2020-3-0x0000000000CD0000-0x0000000000DD0000-memory.dmp
                                                                                        Filesize

                                                                                        1024KB

                                                                                      • memory/2020-2-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/2020-5-0x0000000000020000-0x0000000000036000-memory.dmp
                                                                                        Filesize

                                                                                        88KB

                                                                                      • memory/2020-11-0x0000000000400000-0x0000000000C3E000-memory.dmp
                                                                                        Filesize

                                                                                        8.2MB

                                                                                      • memory/2020-12-0x0000000000CD0000-0x0000000000DD0000-memory.dmp
                                                                                        Filesize

                                                                                        1024KB

                                                                                      • memory/2020-14-0x0000000000020000-0x0000000000036000-memory.dmp
                                                                                        Filesize

                                                                                        88KB