Analysis

  • max time kernel
    202s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 12:16

General

  • Target

    d89e8e3248b5ce5f7a5f9dbd64f3d3fadb2ac5983aba240c496a32f03cefc4cf.exe

  • Size

    915KB

  • MD5

    198f8b51353ba6c2473297958b2f4730

  • SHA1

    3a95ceefa3963668b3d6d7127cc2c6be50be1174

  • SHA256

    d89e8e3248b5ce5f7a5f9dbd64f3d3fadb2ac5983aba240c496a32f03cefc4cf

  • SHA512

    135ed02aaa62dc0a2be20c1859567e0e8c02181703084beaa4d14850b7b3db3b1fff1157494ae58ec3454796ba9f1095f2685915991ffffe26d4358ec1fd8681

  • SSDEEP

    6144:j9JUm2y14qmQJqapPTJfk2PHnxS8VDJiNzYiAOMv:xJLmQJxJfk2fxVJuu

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d89e8e3248b5ce5f7a5f9dbd64f3d3fadb2ac5983aba240c496a32f03cefc4cf.exe
    "C:\Users\Admin\AppData\Local\Temp\d89e8e3248b5ce5f7a5f9dbd64f3d3fadb2ac5983aba240c496a32f03cefc4cf.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Windows\SysWOW64\msisip7.exe
      C:\Windows\SysWOW64\msisip7.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins3643.bat "C:\Users\Admin\AppData\Local\Temp\d89e8e3248b5ce5f7a5f9dbd64f3d3fadb2ac5983aba240c496a32f03cefc4cf.exe"
      2⤵
        PID:1972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~unins3643.bat

      Filesize

      49B

      MD5

      9e0a2f5ab30517809b95a1ff1dd98c53

      SHA1

      5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

      SHA256

      97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

      SHA512

      e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

    • C:\Windows\SysWOW64\msisip7.exe

      Filesize

      214KB

      MD5

      e6553fd5b62d7ea94642e8878c49dd4b

      SHA1

      c057e8be8ee29425926ff98475270418db230c60

      SHA256

      af3886720cb7c63ec0e531ec3d790bb943e8dc9dd63e87fe59315508c0619489

      SHA512

      7c2e05b7279af4719fcb1f9cdaa8e0be5a2a538f69079ad4dba1c1affe4e1e26290fb78e6ddd5f1ec345c51a145ea5af6edf8cef7d648a65985e12b8f63497a6

    • C:\Windows\SysWOW64\msisip7.exe

      Filesize

      214KB

      MD5

      e6553fd5b62d7ea94642e8878c49dd4b

      SHA1

      c057e8be8ee29425926ff98475270418db230c60

      SHA256

      af3886720cb7c63ec0e531ec3d790bb943e8dc9dd63e87fe59315508c0619489

      SHA512

      7c2e05b7279af4719fcb1f9cdaa8e0be5a2a538f69079ad4dba1c1affe4e1e26290fb78e6ddd5f1ec345c51a145ea5af6edf8cef7d648a65985e12b8f63497a6

    • memory/2916-138-0x00000000021C0000-0x0000000002274000-memory.dmp

      Filesize

      720KB

    • memory/2916-139-0x0000000002224000-0x0000000002273000-memory.dmp

      Filesize

      316KB

    • memory/2916-140-0x00000000021C1000-0x0000000002224000-memory.dmp

      Filesize

      396KB

    • memory/2916-141-0x0000000002224000-0x0000000002273000-memory.dmp

      Filesize

      316KB

    • memory/2916-132-0x0000000000630000-0x0000000000640000-memory.dmp

      Filesize

      64KB

    • memory/2916-137-0x00000000021C0000-0x0000000002274000-memory.dmp

      Filesize

      720KB

    • memory/2916-134-0x00000000021C0000-0x0000000002274000-memory.dmp

      Filesize

      720KB

    • memory/2916-133-0x0000000000660000-0x00000000006B0000-memory.dmp

      Filesize

      320KB

    • memory/2916-149-0x0000000002224000-0x0000000002273000-memory.dmp

      Filesize

      316KB

    • memory/2916-150-0x00000000021C1000-0x0000000002224000-memory.dmp

      Filesize

      396KB

    • memory/3064-147-0x0000000073980000-0x0000000073F31000-memory.dmp

      Filesize

      5.7MB

    • memory/3064-148-0x0000000073980000-0x0000000073F31000-memory.dmp

      Filesize

      5.7MB