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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230705-en
  • resource tags

    arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
  • submitted
    05/07/2023, 15:12

General

  • Target

    05f70f150a8f19exeexeexeex.exe

  • Size

    308KB

  • MD5

    05f70f150a8f196df3a70c7b2876c7d6

  • SHA1

    543b8a247341e9f9e32655ffc14d3548a84347d0

  • SHA256

    f03769bfcdbcec552a11d3f4b1a6acf620c4a8e2495ede428aec03a916919f6a

  • SHA512

    eeb3b8d5d9489f4804e8ba02f5405fe27fb47d084b47fb89998756bea5ad84a2e439d333492df68b7db476b78f31f33dd282153120f00331ca31e85852590e4b

  • SSDEEP

    6144:PzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:lDHNam62ZdKmZmuPH

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

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

  • Unexpected DNS network traffic destination 33 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 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 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05f70f150a8f19exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\05f70f150a8f19exeexeexeex.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:3064
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2148
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:1220
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:1144
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2268
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:1796
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2124
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:2300
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:2668
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2624
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2748
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2588
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2768

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/2384-55-0x0000000000400000-0x0000000001400000-memory.dmp

                              Filesize

                              16.0MB

                            • memory/2384-56-0x0000000000250000-0x0000000000267000-memory.dmp

                              Filesize

                              92KB

                            • memory/2384-63-0x0000000000400000-0x0000000001400000-memory.dmp

                              Filesize

                              16.0MB

                            • memory/2384-65-0x0000000000250000-0x0000000000267000-memory.dmp

                              Filesize

                              92KB