Analysis

  • max time kernel
    135s
  • max time network
    132s
  • 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, 15:58

General

  • Target
    730c002b00490245fd71bf9b522a72c1.exe
  • Size 3.0MB
  • Sample240125-tesf7sabd7
  • SHA256 5abf8ed5e0a6f61ad3ca9e55e9fc36421188dc7fbdf65a5f7bf44dc40c7b4435
  • 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 5 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\730c002b00490245fd71bf9b522a72c1.exe
    "C:\Users\Admin\AppData\Local\Temp\730c002b00490245fd71bf9b522a72c1.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\730c002b00490245fd71bf9b522a72c1.exe
      C:\Users\Admin\AppData\Local\Temp\730c002b00490245fd71bf9b522a72c1.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\730c002b00490245fd71bf9b522a72c1.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:2312
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\FhkeXQ.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:60
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 1WOV8tOcae1c
          4⤵
            PID:2084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 604
          3⤵
          • Program crash
          PID:3832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 632
          3⤵
          • Program crash
          PID:412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 736
          3⤵
          • Program crash
          PID:4132
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 772
          3⤵
          • Program crash
          PID:4600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 780
          3⤵
          • Program crash
          PID:3468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4992 -ip 4992
      1⤵
        PID:3660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4992 -ip 4992
        1⤵
          PID:1820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4992 -ip 4992
          1⤵
            PID:5004
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4992 -ip 4992
            1⤵
              PID:4252
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4992 -ip 4992
              1⤵
                PID:3608

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    730c002b00490245fd71bf9b522a72c1.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\730c002b00490245fd71bf9b522a72c1.exe
                    • Size 298KB
                    • SHA256 82140769d1a84c60b6b490f04daf6e25994714030f327d628eb2cc7541bd890e
                    • MD5 SHA1 SHA512 SSDEEP

                    FhkeXQ.xml

                    • Path C:\Users\Admin\AppData\Local\Temp\FhkeXQ.xml
                    • Size 1KB
                    • SHA256 523b2807141e64f6b4dfe163223fb2cb0db2c8312c01603c5762b64624f0a7be
                    • MD5 SHA1 SHA512

                    memory/3448-0-0x0000000000400000-0x000000000065C000-memory.dmp

                    memory/3448-1-0x0000000000400000-0x000000000046B000-memory.dmp

                    memory/3448-2-0x0000000001720000-0x000000000179E000-memory.dmp

                    memory/3448-13-0x0000000000400000-0x000000000046B000-memory.dmp

                    memory/4992-14-0x0000000000400000-0x000000000065C000-memory.dmp

                    memory/4992-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                    memory/4992-21-0x0000000025030000-0x00000000250AE000-memory.dmp

                    memory/4992-23-0x0000000000400000-0x000000000045B000-memory.dmp

                    memory/4992-40-0x0000000000400000-0x000000000065C000-memory.dmp