Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 11:37

General

  • Target

    2024-04-26_bd6dfec1639f930aac9a292d73304da3_karagany_mafia.exe

  • Size

    326KB

  • MD5

    bd6dfec1639f930aac9a292d73304da3

  • SHA1

    8e4dbc3d0cbce3c67802844cb03b27e409c1fc7b

  • SHA256

    cdd3b1749f80035ba48daa64542034531422b63614f32ceb1a9426542af3cd9d

  • SHA512

    015d2cb58339e4e502e404b043be1f0b87592f07c1b49738f4cab73fe584f7862a6f64b1411bba0aa689c4fcf647bfcc9973fe2c41f9fee81d8b4cf4373012d5

  • SSDEEP

    3072:T+V2GtCbCnDl0TM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8Jug:TB/USTXkLHgPitjYVmq+s

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
  • 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\2024-04-26_bd6dfec1639f930aac9a292d73304da3_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-26_bd6dfec1639f930aac9a292d73304da3_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:1948
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2588
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2516
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2568
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2652
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2460
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:1972
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:856
                  • 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:2128
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:2140
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:1628
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:2016
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:2740
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:1104
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:2844
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:1416
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup carder.bit ns1.wowservers.ru
                                      2⤵
                                        PID:2700
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup ransomware.bit ns2.wowservers.ru
                                        2⤵
                                          PID:960
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup carder.bit ns2.wowservers.ru
                                          2⤵
                                            PID:1748
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup ransomware.bit ns1.wowservers.ru
                                            2⤵
                                              PID:1700
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup carder.bit ns1.wowservers.ru
                                              2⤵
                                                PID:788
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup ransomware.bit ns2.wowservers.ru
                                                2⤵
                                                  PID:292
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup carder.bit ns2.wowservers.ru
                                                  2⤵
                                                    PID:3020
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup ransomware.bit ns1.wowservers.ru
                                                    2⤵
                                                      PID:592

                                                  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/1948-1-0x0000000000400000-0x00000000012D6000-memory.dmp
                                                    Filesize

                                                    14.8MB

                                                  • memory/1948-2-0x00000000013E0000-0x00000000014E0000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/1948-3-0x0000000000400000-0x00000000012D6000-memory.dmp
                                                    Filesize

                                                    14.8MB

                                                  • memory/1948-4-0x0000000000400000-0x00000000012D6000-memory.dmp
                                                    Filesize

                                                    14.8MB

                                                  • memory/1948-5-0x0000000000260000-0x0000000000277000-memory.dmp
                                                    Filesize

                                                    92KB

                                                  • memory/1948-12-0x0000000000400000-0x00000000012D6000-memory.dmp
                                                    Filesize

                                                    14.8MB

                                                  • memory/1948-13-0x00000000013E0000-0x00000000014E0000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/1948-15-0x0000000000260000-0x0000000000277000-memory.dmp
                                                    Filesize

                                                    92KB