Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 10:48

General

  • Target

    2024-03-31_c91f03748bee6fea08ca4a1cf321bfcf_karagany_mafia.exe

  • Size

    250KB

  • MD5

    c91f03748bee6fea08ca4a1cf321bfcf

  • SHA1

    267d4526348678675c0e03f5945c23819dff967e

  • SHA256

    8e3b2d950be53db824786c07d6e9e87ff838ccda8377c37ca97e3d2bc1b25425

  • SHA512

    57ca8c3ac31dbe9d8be6854dca1adf52a6ec264a8ac039920bb3bf69a8e3ea96248f0bb9969db9742bd07b2496afd8e7f27fb1162e5c2391a13752d412bd52fb

  • SSDEEP

    3072:s/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:s/y20Gj0r+EBFrkvlU3RvIUDOIN

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 4 IoCs
  • Gandcrab Payload 4 IoCs
  • 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_c91f03748bee6fea08ca4a1cf321bfcf_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-31_c91f03748bee6fea08ca4a1cf321bfcf_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:2884
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2980
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2628
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2752
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2388
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2484
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:2532
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2932
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:2808
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:1136
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2676
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:320
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:1772
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2136
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:1752
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:688
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:2456
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup carder.bit ns1.wowservers.ru
                                      2⤵
                                        PID:1916
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup ransomware.bit ns2.wowservers.ru
                                        2⤵
                                          PID:1556
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup carder.bit ns2.wowservers.ru
                                          2⤵
                                            PID:2364
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup ransomware.bit ns1.wowservers.ru
                                            2⤵
                                              PID:1560
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup carder.bit ns1.wowservers.ru
                                              2⤵
                                                PID:612
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup ransomware.bit ns2.wowservers.ru
                                                2⤵
                                                  PID:1884
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup carder.bit ns2.wowservers.ru
                                                  2⤵
                                                    PID:2212
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup ransomware.bit ns1.wowservers.ru
                                                    2⤵
                                                      PID:1564

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/2884-2-0x00000000004F0000-0x00000000005F0000-memory.dmp

                                                    Filesize

                                                    1024KB

                                                  • memory/2884-3-0x0000000000400000-0x0000000000444000-memory.dmp

                                                    Filesize

                                                    272KB

                                                  • memory/2884-4-0x0000000000400000-0x0000000000444000-memory.dmp

                                                    Filesize

                                                    272KB

                                                  • memory/2884-5-0x00000000002D0000-0x00000000002E7000-memory.dmp

                                                    Filesize

                                                    92KB

                                                  • memory/2884-7-0x0000000000400000-0x0000000000444000-memory.dmp

                                                    Filesize

                                                    272KB

                                                  • memory/2884-14-0x00000000004F0000-0x00000000005F0000-memory.dmp

                                                    Filesize

                                                    1024KB

                                                  • memory/2884-16-0x00000000002D0000-0x00000000002E7000-memory.dmp

                                                    Filesize

                                                    92KB