Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 17:27

General

  • Target

    7517a7ebbd33bdca28226535e73dcc99.exe

  • Size

    3.9MB

  • MD5

    7517a7ebbd33bdca28226535e73dcc99

  • SHA1

    b1e7cca61bab08de747d21a7a084059386a0150e

  • SHA256

    0fca79c69be88afebd8741d3a64287d1454cbd70d8b689c250f6fac91c713d40

  • SHA512

    a666ab5dc477816cfa47a19fc630836df7c1937857fe5d87d797508388ff12a480c39a62c455ed18ffd4598671acec81740283e32a90c6788f8461cffb7620c8

  • SSDEEP

    98304:uofTPdOoeYA9zyULG+fsLg04ooLux9A9zyULG+gA73l2UH3YzcA9zyULG+fsLg06:uGdOoeVzLqaL/zLqef3Yz5zLqaL/zLq

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 18 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\7517a7ebbd33bdca28226535e73dcc99.exe
    "C:\Users\Admin\AppData\Local\Temp\7517a7ebbd33bdca28226535e73dcc99.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\7517a7ebbd33bdca28226535e73dcc99.exe
      C:\Users\Admin\AppData\Local\Temp\7517a7ebbd33bdca28226535e73dcc99.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\7517a7ebbd33bdca28226535e73dcc99.exe" /TN EftJtVnu5bdb /F
        3⤵
        • Creates scheduled task(s)
        PID:3400
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EftJtVnu5bdb > C:\Users\Admin\AppData\Local\Temp\mhc2T4XY4.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4184
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EftJtVnu5bdb
          4⤵
            PID:368
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 616
          3⤵
          • Program crash
          PID:3392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 604
          3⤵
          • Program crash
          PID:2336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 716
          3⤵
          • Program crash
          PID:1688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 736
          3⤵
          • Program crash
          PID:4860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 608
          3⤵
          • Program crash
          PID:4488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 800
          3⤵
          • Program crash
          PID:1336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1492
          3⤵
          • Program crash
          PID:4340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1920
          3⤵
          • Program crash
          PID:1452
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2148
          3⤵
          • Program crash
          PID:1204
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1960
          3⤵
          • Program crash
          PID:4120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2156
          3⤵
          • Program crash
          PID:3360
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2000
          3⤵
          • Program crash
          PID:4688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1920
          3⤵
          • Program crash
          PID:2140
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1984
          3⤵
          • Program crash
          PID:3120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2164
          3⤵
          • Program crash
          PID:640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 2148
          3⤵
          • Program crash
          PID:4752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1960
          3⤵
          • Program crash
          PID:3840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 728
          3⤵
          • Program crash
          PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2372 -ip 2372
      1⤵
        PID:4376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2372 -ip 2372
        1⤵
          PID:3428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2372 -ip 2372
          1⤵
            PID:4372
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2372 -ip 2372
            1⤵
              PID:1064
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2372 -ip 2372
              1⤵
                PID:4384
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2372 -ip 2372
                1⤵
                  PID:704
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2372 -ip 2372
                  1⤵
                    PID:3580
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2372 -ip 2372
                    1⤵
                      PID:496
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2372 -ip 2372
                      1⤵
                        PID:1236
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2372 -ip 2372
                        1⤵
                          PID:3492
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2372 -ip 2372
                          1⤵
                            PID:2020
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2372 -ip 2372
                            1⤵
                              PID:4844
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2372 -ip 2372
                              1⤵
                                PID:2032
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2372 -ip 2372
                                1⤵
                                  PID:2576
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2372 -ip 2372
                                  1⤵
                                    PID:4136
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2372 -ip 2372
                                    1⤵
                                      PID:4928
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2372 -ip 2372
                                      1⤵
                                        PID:564
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2372 -ip 2372
                                        1⤵
                                          PID:3064

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\7517a7ebbd33bdca28226535e73dcc99.exe

                                          Filesize

                                          3.9MB

                                          MD5

                                          d6ce722eb7708d2344f188c094c6d951

                                          SHA1

                                          c85b10fd094153dee1028f7f573c5a826e600aba

                                          SHA256

                                          af88969acaadcf3be8b60ed3df14959f3636e40ad664714e1c6481ce6285a830

                                          SHA512

                                          1c4db66a5d9ef8af9c743cf36d605838edc4546c31b77327f57bbddba6a0e77eaaab738a2651a39593622f5f049f0492e455b25e845bdbff22ba3fbc0b4ec6a9

                                        • C:\Users\Admin\AppData\Local\Temp\mhc2T4XY4.xml

                                          Filesize

                                          1KB

                                          MD5

                                          3eba75f79b2bdcf9166f717efd3ec561

                                          SHA1

                                          b06fc68a94f73edb093ef2e7a98bf3b261aa1b14

                                          SHA256

                                          4dffc129fad2b76260f3e67961cdd0f99e4e117b13e2b8baee1755f8c503c249

                                          SHA512

                                          93f2cfb09fe5b9de2e07ecad899b5064a62db5fba08b227df8f9f7b9caa06a3bb8ea8e877fad2317a61213fae0a36344416b4a4fe179a06ff3c08e251ba339e1

                                        • memory/2372-14-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/2372-16-0x0000000024FE0000-0x000000002505E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/2372-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/2372-23-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/2372-41-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4588-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/4588-1-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/4588-4-0x0000000025040000-0x00000000250BE000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/4588-13-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB