Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 10:00

General

  • Target

    fbab856b738109bb0ece8d46e7424dafe2b504612b25cf2b9fc1aec569151a4b.exe

  • Size

    354KB

  • MD5

    bf739ec9836929fd5f184c058a964c80

  • SHA1

    5dd0d75872291ef0072f97b4ed74408f9e9aedf1

  • SHA256

    fbab856b738109bb0ece8d46e7424dafe2b504612b25cf2b9fc1aec569151a4b

  • SHA512

    76e261a4d8c89de62f96d642381269a7a55fbf8950e104b1a727e37456a2d12eb5fb629f762dc4500e02858f7732e8e18000970b06e2ec32897264973e1615ad

  • SSDEEP

    6144:TtKn+Y6Helr0DXe2VxXr5pyLoyn25pW6bacHO4lJen:Tk6HelreLxXdpyNcplWcHllJO

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1132
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1304
        • C:\Users\Admin\AppData\Local\Temp\fbab856b738109bb0ece8d46e7424dafe2b504612b25cf2b9fc1aec569151a4b.exe
          "C:\Users\Admin\AppData\Local\Temp\fbab856b738109bb0ece8d46e7424dafe2b504612b25cf2b9fc1aec569151a4b.exe"
          2⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Modifies Internet Explorer settings
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1168
          • C:\Users\Admin\AppData\Roaming\Kitome\qyam.exe
            "C:\Users\Admin\AppData\Roaming\Kitome\qyam.exe"
            3⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of UnmapMainImage
            • Suspicious use of WriteProcessMemory
            PID:1640
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpc062088e.bat"
            3⤵
            • Deletes itself
            PID:1536
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1232

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpc062088e.bat

          Filesize

          307B

          MD5

          a92b8a792db400a0f2e1a68795851d22

          SHA1

          582dc7d318960d8ecd46bea0d68a04e9cc16d673

          SHA256

          64d47da98d47552517b2468a1d8af2e6b28c116ae77ef3d55fbdf27e4a721795

          SHA512

          ea49146277c3b894623dbbd68a831f72a9fdcb321d62340ebd743ca95c824b91e9e18a35ee6dba25c94ea720dc8ba006d4464de92c141eca91a918a14b2c1c0d

        • C:\Users\Admin\AppData\Roaming\Kitome\qyam.exe

          Filesize

          354KB

          MD5

          1411a6b1352d643b4620355f57144db6

          SHA1

          3e0a1e875346e8acd8523766aa513cc71e69acf6

          SHA256

          8b61e2ce3486cf37acf15dcc0154c7d35b33bd7caa86ad6de1ba7ce0451763d8

          SHA512

          9340d4ed2e7f855d30187b3af1ef522099a3bd9ec045a39d0e4c001a4562f85cfb44e5c8b642fed8d77996d742439f46f0298962f339d295fa575a9a8e0a356f

        • C:\Users\Admin\AppData\Roaming\Kitome\qyam.exe

          Filesize

          354KB

          MD5

          1411a6b1352d643b4620355f57144db6

          SHA1

          3e0a1e875346e8acd8523766aa513cc71e69acf6

          SHA256

          8b61e2ce3486cf37acf15dcc0154c7d35b33bd7caa86ad6de1ba7ce0451763d8

          SHA512

          9340d4ed2e7f855d30187b3af1ef522099a3bd9ec045a39d0e4c001a4562f85cfb44e5c8b642fed8d77996d742439f46f0298962f339d295fa575a9a8e0a356f

        • \Users\Admin\AppData\Roaming\Kitome\qyam.exe

          Filesize

          354KB

          MD5

          1411a6b1352d643b4620355f57144db6

          SHA1

          3e0a1e875346e8acd8523766aa513cc71e69acf6

          SHA256

          8b61e2ce3486cf37acf15dcc0154c7d35b33bd7caa86ad6de1ba7ce0451763d8

          SHA512

          9340d4ed2e7f855d30187b3af1ef522099a3bd9ec045a39d0e4c001a4562f85cfb44e5c8b642fed8d77996d742439f46f0298962f339d295fa575a9a8e0a356f

        • \Users\Admin\AppData\Roaming\Kitome\qyam.exe

          Filesize

          354KB

          MD5

          1411a6b1352d643b4620355f57144db6

          SHA1

          3e0a1e875346e8acd8523766aa513cc71e69acf6

          SHA256

          8b61e2ce3486cf37acf15dcc0154c7d35b33bd7caa86ad6de1ba7ce0451763d8

          SHA512

          9340d4ed2e7f855d30187b3af1ef522099a3bd9ec045a39d0e4c001a4562f85cfb44e5c8b642fed8d77996d742439f46f0298962f339d295fa575a9a8e0a356f

        • memory/1132-67-0x0000000001C60000-0x0000000001CA4000-memory.dmp

          Filesize

          272KB

        • memory/1132-66-0x0000000001C60000-0x0000000001CA4000-memory.dmp

          Filesize

          272KB

        • memory/1132-68-0x0000000001C60000-0x0000000001CA4000-memory.dmp

          Filesize

          272KB

        • memory/1132-63-0x0000000001C60000-0x0000000001CA4000-memory.dmp

          Filesize

          272KB

        • memory/1132-65-0x0000000001C60000-0x0000000001CA4000-memory.dmp

          Filesize

          272KB

        • memory/1168-95-0x0000000000380000-0x00000000003CF000-memory.dmp

          Filesize

          316KB

        • memory/1168-84-0x00000000004E0000-0x0000000000524000-memory.dmp

          Filesize

          272KB

        • memory/1168-55-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1168-94-0x0000000000330000-0x0000000000374000-memory.dmp

          Filesize

          272KB

        • memory/1168-96-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1168-54-0x00000000760E1000-0x00000000760E3000-memory.dmp

          Filesize

          8KB

        • memory/1168-100-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1168-102-0x00000000004E0000-0x0000000000524000-memory.dmp

          Filesize

          272KB

        • memory/1168-56-0x0000000000400000-0x0000000000444000-memory.dmp

          Filesize

          272KB

        • memory/1168-86-0x00000000004E0000-0x0000000000524000-memory.dmp

          Filesize

          272KB

        • memory/1168-85-0x00000000004E0000-0x0000000000524000-memory.dmp

          Filesize

          272KB

        • memory/1168-83-0x00000000004E0000-0x0000000000524000-memory.dmp

          Filesize

          272KB

        • memory/1232-74-0x0000000000340000-0x0000000000384000-memory.dmp

          Filesize

          272KB

        • memory/1232-72-0x0000000000340000-0x0000000000384000-memory.dmp

          Filesize

          272KB

        • memory/1232-73-0x0000000000340000-0x0000000000384000-memory.dmp

          Filesize

          272KB

        • memory/1232-71-0x0000000000340000-0x0000000000384000-memory.dmp

          Filesize

          272KB

        • memory/1304-80-0x00000000029C0000-0x0000000002A04000-memory.dmp

          Filesize

          272KB

        • memory/1304-79-0x00000000029C0000-0x0000000002A04000-memory.dmp

          Filesize

          272KB

        • memory/1304-78-0x00000000029C0000-0x0000000002A04000-memory.dmp

          Filesize

          272KB

        • memory/1304-77-0x00000000029C0000-0x0000000002A04000-memory.dmp

          Filesize

          272KB

        • memory/1536-89-0x0000000000050000-0x0000000000094000-memory.dmp

          Filesize

          272KB

        • memory/1536-93-0x0000000000050000-0x0000000000094000-memory.dmp

          Filesize

          272KB

        • memory/1536-98-0x00000000000638F8-mapping.dmp

        • memory/1536-92-0x0000000000050000-0x0000000000094000-memory.dmp

          Filesize

          272KB

        • memory/1536-91-0x0000000000050000-0x0000000000094000-memory.dmp

          Filesize

          272KB

        • memory/1536-105-0x0000000000050000-0x0000000000094000-memory.dmp

          Filesize

          272KB

        • memory/1640-97-0x0000000000280000-0x00000000002C4000-memory.dmp

          Filesize

          272KB

        • memory/1640-99-0x0000000000370000-0x00000000003BF000-memory.dmp

          Filesize

          316KB

        • memory/1640-101-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1640-59-0x0000000000000000-mapping.dmp

        • memory/1640-106-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB