Analysis

  • max time kernel
    142s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2024, 17:07

General

  • Target
    750c816513dac3f9366378d787d46347.exe
  • Size 1.6MB
  • Sample240125-vm73ascbfq
  • SHA256 fa99af9c1bd2804408b8536e5765f8db1c335b15454c9ed6bc7e961bcc26adb8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Program crash 17 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe
    "C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe
      C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe" /TN aMYATtOZda0c /F
        3⤵
        • Creates scheduled task(s)
        PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN aMYATtOZda0c > C:\Users\Admin\AppData\Local\Temp\kdv1bS.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN aMYATtOZda0c
          4⤵
            PID:4792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 600
          3⤵
          • Program crash
          PID:1752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 624
          3⤵
          • Program crash
          PID:1420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 744
          3⤵
          • Program crash
          PID:1484
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 764
          3⤵
          • Program crash
          PID:4856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 764
          3⤵
          • Program crash
          PID:232
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 832
          3⤵
          • Program crash
          PID:3580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1468
          3⤵
          • Program crash
          PID:2420
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1864
          3⤵
          • Program crash
          PID:2492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2144
          3⤵
          • Program crash
          PID:1580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1876
          3⤵
          • Program crash
          PID:3416
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1860
          3⤵
          • Program crash
          PID:4896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1992
          3⤵
          • Program crash
          PID:216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2000
          3⤵
          • Program crash
          PID:4512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1876
          3⤵
          • Program crash
          PID:4324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2140
          3⤵
          • Program crash
          PID:2088
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 2120
          3⤵
          • Program crash
          PID:920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 740
          3⤵
          • Program crash
          PID:820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 5072 -ip 5072
      1⤵
        PID:4428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5072 -ip 5072
        1⤵
          PID:3696
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5072 -ip 5072
          1⤵
            PID:784
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5072 -ip 5072
            1⤵
              PID:2464
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5072 -ip 5072
              1⤵
                PID:1768
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5072 -ip 5072
                1⤵
                  PID:1604
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5072 -ip 5072
                  1⤵
                    PID:3712
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5072 -ip 5072
                    1⤵
                      PID:3116
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5072 -ip 5072
                      1⤵
                        PID:5052
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5072 -ip 5072
                        1⤵
                          PID:2044
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5072 -ip 5072
                          1⤵
                            PID:820
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 5072 -ip 5072
                            1⤵
                              PID:3092
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5072 -ip 5072
                              1⤵
                                PID:632
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 5072 -ip 5072
                                1⤵
                                  PID:544
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 5072 -ip 5072
                                  1⤵
                                    PID:4812
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 5072 -ip 5072
                                    1⤵
                                      PID:3180
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 5072 -ip 5072
                                      1⤵
                                        PID:3416

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            750c816513dac3f9366378d787d46347.exe

                                            • Path C:\Users\Admin\AppData\Local\Temp\750c816513dac3f9366378d787d46347.exe
                                            • Size 1.6MB
                                            • SHA256 660a91fa8cdcbf1b5b7488734bf9b162e261e6d9354ed146cf0ef331811630d2
                                            • MD5 SHA1 SHA512 SSDEEP

                                            kdv1bS.xml

                                            • Path C:\Users\Admin\AppData\Local\Temp\kdv1bS.xml
                                            • Size 1KB
                                            • SHA256 f0cde9af4607f87635976f57062d9602050c2eb58556659081d941754fabe5c8
                                            • MD5 SHA1 SHA512

                                            memory/2968-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                            memory/2968-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                            memory/2968-2-0x0000000026090000-0x000000002610E000-memory.dmp

                                            memory/2968-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                            memory/5072-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                            memory/5072-16-0x0000000001720000-0x000000000179E000-memory.dmp

                                            memory/5072-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                            memory/5072-22-0x0000000000400000-0x000000000045B000-memory.dmp

                                            memory/5072-34-0x0000000000400000-0x000000000065C000-memory.dmp