Analysis

  • max time kernel
    163s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:46

General

  • Target

    237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f.exe

  • Size

    96KB

  • MD5

    92beaf950cb1bded13ba36b770ef7f91

  • SHA1

    4e741a8789569f7b6fc9ff1cce603bb9c797fc22

  • SHA256

    237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f

  • SHA512

    9e7da62b22c66dd2e51bab93a6dbe0c0576b4cb276ef5fe849270349fcb9afbe7db2d83dff1798e9046e80c73ec6e9453e505dab7ee8ed829894e4d7925d6675

  • SSDEEP

    1536:RFEdNmSNF1ZVNoh4I545MQ5MSe+dMHPNY5Z8TpyVf94nn2FC9:IdNJNSF+iSlMY5mTp4f902g

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f.exe
    "C:\Users\Admin\AppData\Local\Temp\237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig.exe
      2⤵
      • Gathers network information
      PID:4496
    • \??\c:\recycler\regedit.exe
      c:\recycler\regedit.exe /s c:\recycler\hidekey.reg
      2⤵
      • Executes dropped EXE
      • Sets service image path in registry
      • Runs .reg file with regedit
      PID:1736
    • C:\Users\Admin\AppData\Local\Temp\237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f.exe
      C:\Users\Admin\AppData\Local\Temp\237c5881b8ef6089a45f9bdd75a6a1e5aae977ac3e713c6676a508cdca5d591f.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig.exe
        3⤵
        • Gathers network information
        PID:2244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1540 -ip 1540
    1⤵
      PID:3464

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\recycler\regedit.exe

      Filesize

      322KB

      MD5

      bd63d72db4fa96a1e0250b1d36b7a827

      SHA1

      aad4b770b25789b7acd508bf3cf266d4ddb88111

      SHA256

      f6953923fa9537edd709488db8fc17c7991f4f053a904306d9b93d79391fb0e6

      SHA512

      e68b7a255cd22dcb885a094c24e8fe2c86cd8d1014aa0064917d33dee96c345fda594baad6d86ec087a2b167cad9936624aadd5b4953337a4a39e79ca88f8f3c

    • \??\c:\recycler\hidekey.reg

      Filesize

      766B

      MD5

      35422736785393dfbb664197985be1ef

      SHA1

      34c3bb7eab71180ad61eeb2479f0c0e091d950e1

      SHA256

      61e38d68bbe45bbe65aa18c1838dc482697d752c16f159b262ffb56bef26d665

      SHA512

      d8add2ddc0fbdbae0c4ac72f2f4b3351c3852e962f0745abe566e86977eb265dc16b21b251120e048e8a2cc8053564a78346059d93c4444cd904f5154bd89c34

    • memory/1540-136-0x0000000000000000-mapping.dmp

    • memory/1736-133-0x0000000000000000-mapping.dmp

    • memory/2244-137-0x0000000000000000-mapping.dmp

    • memory/4496-132-0x0000000000000000-mapping.dmp