Analysis

  • max time kernel
    66s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-06-2023 15:40

General

  • Target

    05407799.exe

  • Size

    3.4MB

  • MD5

    58b916ae442df6c81744ddae2221cabe

  • SHA1

    cf5be2bd01717f8141e517546a32b484d8bc7f9e

  • SHA256

    e9a420ebce08d2c90e6b536969171438363f2140d99f1c9f3d91f00cb292a6a0

  • SHA512

    da626a4736fc962004652ddfcee740b53049961058b53cee84f88b901e2243408dbfdad9dffc86e0d9312927122e930ebf37888d4d1e4abee1d0cfe123be2db2

  • SSDEEP

    98304:93dyYV/1g8pxdfR/mKYvuxNhthE1GR0FLOAkGkzdnEVomFHKnPA:hd/gsdflzdNhE1GR0FLOyomFHKnP

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • Chinese Botnet payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05407799.exe
    "C:\Users\Admin\AppData\Local\Temp\05407799.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:932
    • C:\ProgramData\Windowsfig.exe
      "C:\ProgramData\Windowsfig.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 624
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1644
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
      2⤵
        PID:1920

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • C:\ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • C:\ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • \ProgramData\Windowsfig.exe

      Filesize

      108KB

      MD5

      40528a8ce542af784cb9958552f7798d

      SHA1

      58c5ba782f367a1d65bf712ada150fe0b5e14292

      SHA256

      46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

      SHA512

      dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

    • memory/932-55-0x0000000010000000-0x0000000010027000-memory.dmp

      Filesize

      156KB

    • memory/932-54-0x00000000000A0000-0x00000000000C6000-memory.dmp

      Filesize

      152KB

    • memory/1432-81-0x0000000000420000-0x0000000000426000-memory.dmp

      Filesize

      24KB

    • memory/1432-80-0x00000000002F0000-0x000000000030E000-memory.dmp

      Filesize

      120KB

    • memory/1432-79-0x0000000000990000-0x00000000009B0000-memory.dmp

      Filesize

      128KB

    • memory/1432-87-0x0000000000680000-0x00000000006C0000-memory.dmp

      Filesize

      256KB

    • memory/1432-88-0x0000000000680000-0x00000000006C0000-memory.dmp

      Filesize

      256KB