Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-02-2023 18:54

General

  • Target

    721740f1413193e8cbc2bc5072beada7.exe

  • Size

    1.5MB

  • MD5

    721740f1413193e8cbc2bc5072beada7

  • SHA1

    943cad4421ddd671c65231dd01f34c5590afd5d2

  • SHA256

    cdc95392f7aaf04457256258571c08966e093503028339eeeb586a3d1d2903e0

  • SHA512

    4682774873438a2ac9bb05629a6d3124abcd93741381d053cbfdf64266c6cd74c0c58d7f3122040a1c3a0f09d12bbd98dbe2beb90b14e177b245cb02ec26f5cc

  • SSDEEP

    24576:7JHa6PX0VhuxwQR+6CKOmi6qZsokbbbFXj+4Xnrsjp9gawa0Stirk2BK5IoW6g1S:9JkVh76CbmdqxIbbdC4XrsjpBwaFmnJM

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
  • Checks computer location settings 2 TTPs 6 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 38 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\721740f1413193e8cbc2bc5072beada7.exe
    "C:\Users\Admin\AppData\Local\Temp\721740f1413193e8cbc2bc5072beada7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Users\Admin\AppData\Local\Temp\._cache_721740f1413193e8cbc2bc5072beada7.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_721740f1413193e8cbc2bc5072beada7.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c md C:\windowss64
        3⤵
          PID:1820
        • C:\windowss64\computer.exe
          "C:\windowss64\computer.exe"
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
            "C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:4408
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          3⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Adds Run key to start application
          • Enumerates connected drives
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3824
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c md C:\windowss64
            4⤵
              PID:2948
            • C:\windowss64\computer.exe
              "C:\windowss64\computer.exe"
              4⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1444
              • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
                "C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe"
                5⤵
                • Executes dropped EXE
                • Adds Run key to start application
                PID:3228

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      3
      T1012

      System Information Discovery

      4
      T1082

      Peripheral Device Discovery

      1
      T1120

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe
        Filesize

        1.5MB

        MD5

        721740f1413193e8cbc2bc5072beada7

        SHA1

        943cad4421ddd671c65231dd01f34c5590afd5d2

        SHA256

        cdc95392f7aaf04457256258571c08966e093503028339eeeb586a3d1d2903e0

        SHA512

        4682774873438a2ac9bb05629a6d3124abcd93741381d053cbfdf64266c6cd74c0c58d7f3122040a1c3a0f09d12bbd98dbe2beb90b14e177b245cb02ec26f5cc

      • C:\ProgramData\Synaptics\Synaptics.exe
        Filesize

        1.5MB

        MD5

        721740f1413193e8cbc2bc5072beada7

        SHA1

        943cad4421ddd671c65231dd01f34c5590afd5d2

        SHA256

        cdc95392f7aaf04457256258571c08966e093503028339eeeb586a3d1d2903e0

        SHA512

        4682774873438a2ac9bb05629a6d3124abcd93741381d053cbfdf64266c6cd74c0c58d7f3122040a1c3a0f09d12bbd98dbe2beb90b14e177b245cb02ec26f5cc

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1TQVPNOO\exploror[1].exe
        Filesize

        1.1MB

        MD5

        be689578752179e22bf915dbcf4f7520

        SHA1

        e798e703bfb90707a2872b51da73f32af566aedb

        SHA256

        de8c1aa37dd523e0699a10be71185f7a8ac1cde972d04107068f49250ef7317e

        SHA512

        89c95b387e566dfaf3f6a4ab60ee6e24d2574dd3802458e4d8f15e4c44136ac54c5b3a53addc1d28748656320050ee735fa2e8e5c57cdfb53fbdddc6eb586da8

      • C:\Users\Admin\AppData\Local\Temp\._cache_721740f1413193e8cbc2bc5072beada7.exe
        Filesize

        362KB

        MD5

        146301a1b80222c9892ab54e2a1ca5f8

        SHA1

        26d2a517a2419f2d6f035c4ea674d29f19e4ac35

        SHA256

        9679a5ede73e38c23204f7552cf1b84ddf3743d02782069d0baac86bed6907cd

        SHA512

        91d4a0bcc35ccaa2b34831ba876aff720d193f3d166cfd784a06fa9a5848ae8a962699a73fe4d3b48f343559a558c93d0d523de6a52edaccdf8a4f7ad8055e07

      • C:\Users\Admin\AppData\Local\Temp\._cache_721740f1413193e8cbc2bc5072beada7.exe
        Filesize

        362KB

        MD5

        146301a1b80222c9892ab54e2a1ca5f8

        SHA1

        26d2a517a2419f2d6f035c4ea674d29f19e4ac35

        SHA256

        9679a5ede73e38c23204f7552cf1b84ddf3743d02782069d0baac86bed6907cd

        SHA512

        91d4a0bcc35ccaa2b34831ba876aff720d193f3d166cfd784a06fa9a5848ae8a962699a73fe4d3b48f343559a558c93d0d523de6a52edaccdf8a4f7ad8055e07

      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        Filesize

        362KB

        MD5

        146301a1b80222c9892ab54e2a1ca5f8

        SHA1

        26d2a517a2419f2d6f035c4ea674d29f19e4ac35

        SHA256

        9679a5ede73e38c23204f7552cf1b84ddf3743d02782069d0baac86bed6907cd

        SHA512

        91d4a0bcc35ccaa2b34831ba876aff720d193f3d166cfd784a06fa9a5848ae8a962699a73fe4d3b48f343559a558c93d0d523de6a52edaccdf8a4f7ad8055e07

      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        Filesize

        362KB

        MD5

        146301a1b80222c9892ab54e2a1ca5f8

        SHA1

        26d2a517a2419f2d6f035c4ea674d29f19e4ac35

        SHA256

        9679a5ede73e38c23204f7552cf1b84ddf3743d02782069d0baac86bed6907cd

        SHA512

        91d4a0bcc35ccaa2b34831ba876aff720d193f3d166cfd784a06fa9a5848ae8a962699a73fe4d3b48f343559a558c93d0d523de6a52edaccdf8a4f7ad8055e07

      • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
        Filesize

        400KB

        MD5

        20beeb0a82adcce3a58372804acc46be

        SHA1

        c579d9017d2c8298fe075ff5c05963901330e72a

        SHA256

        d1aaa7e7d31bf648c57f0c721d6f6ee2b17395b4e09d9d89a4f6dbd5dd706a8e

        SHA512

        7636912ba6323063cefb7fac5a6cff9e44a474e452a4d5d4f77ef88968266de184c68112e3667585e02e811781f51ee020e61ce820e3f9a38dcfdf30e6d522bd

      • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
        Filesize

        400KB

        MD5

        20beeb0a82adcce3a58372804acc46be

        SHA1

        c579d9017d2c8298fe075ff5c05963901330e72a

        SHA256

        d1aaa7e7d31bf648c57f0c721d6f6ee2b17395b4e09d9d89a4f6dbd5dd706a8e

        SHA512

        7636912ba6323063cefb7fac5a6cff9e44a474e452a4d5d4f77ef88968266de184c68112e3667585e02e811781f51ee020e61ce820e3f9a38dcfdf30e6d522bd

      • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
        Filesize

        400KB

        MD5

        20beeb0a82adcce3a58372804acc46be

        SHA1

        c579d9017d2c8298fe075ff5c05963901330e72a

        SHA256

        d1aaa7e7d31bf648c57f0c721d6f6ee2b17395b4e09d9d89a4f6dbd5dd706a8e

        SHA512

        7636912ba6323063cefb7fac5a6cff9e44a474e452a4d5d4f77ef88968266de184c68112e3667585e02e811781f51ee020e61ce820e3f9a38dcfdf30e6d522bd

      • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
        Filesize

        400KB

        MD5

        20beeb0a82adcce3a58372804acc46be

        SHA1

        c579d9017d2c8298fe075ff5c05963901330e72a

        SHA256

        d1aaa7e7d31bf648c57f0c721d6f6ee2b17395b4e09d9d89a4f6dbd5dd706a8e

        SHA512

        7636912ba6323063cefb7fac5a6cff9e44a474e452a4d5d4f77ef88968266de184c68112e3667585e02e811781f51ee020e61ce820e3f9a38dcfdf30e6d522bd

      • C:\Users\Admin\AppData\Local\Temp\._cache_computer.exe
        Filesize

        400KB

        MD5

        20beeb0a82adcce3a58372804acc46be

        SHA1

        c579d9017d2c8298fe075ff5c05963901330e72a

        SHA256

        d1aaa7e7d31bf648c57f0c721d6f6ee2b17395b4e09d9d89a4f6dbd5dd706a8e

        SHA512

        7636912ba6323063cefb7fac5a6cff9e44a474e452a4d5d4f77ef88968266de184c68112e3667585e02e811781f51ee020e61ce820e3f9a38dcfdf30e6d522bd

      • C:\windowss64\computer.exe
        Filesize

        1.1MB

        MD5

        be689578752179e22bf915dbcf4f7520

        SHA1

        e798e703bfb90707a2872b51da73f32af566aedb

        SHA256

        de8c1aa37dd523e0699a10be71185f7a8ac1cde972d04107068f49250ef7317e

        SHA512

        89c95b387e566dfaf3f6a4ab60ee6e24d2574dd3802458e4d8f15e4c44136ac54c5b3a53addc1d28748656320050ee735fa2e8e5c57cdfb53fbdddc6eb586da8

      • C:\windowss64\computer.exe
        Filesize

        1.1MB

        MD5

        be689578752179e22bf915dbcf4f7520

        SHA1

        e798e703bfb90707a2872b51da73f32af566aedb

        SHA256

        de8c1aa37dd523e0699a10be71185f7a8ac1cde972d04107068f49250ef7317e

        SHA512

        89c95b387e566dfaf3f6a4ab60ee6e24d2574dd3802458e4d8f15e4c44136ac54c5b3a53addc1d28748656320050ee735fa2e8e5c57cdfb53fbdddc6eb586da8

      • C:\windowss64\computer.exe
        Filesize

        1.1MB

        MD5

        be689578752179e22bf915dbcf4f7520

        SHA1

        e798e703bfb90707a2872b51da73f32af566aedb

        SHA256

        de8c1aa37dd523e0699a10be71185f7a8ac1cde972d04107068f49250ef7317e

        SHA512

        89c95b387e566dfaf3f6a4ab60ee6e24d2574dd3802458e4d8f15e4c44136ac54c5b3a53addc1d28748656320050ee735fa2e8e5c57cdfb53fbdddc6eb586da8

      • memory/1444-2865-0x0000000000000000-mapping.dmp
      • memory/1820-1488-0x0000000000000000-mapping.dmp
      • memory/1900-2849-0x0000000010000000-0x0000000010018000-memory.dmp
        Filesize

        96KB

      • memory/1900-1485-0x0000000000000000-mapping.dmp
      • memory/2028-2846-0x0000000000000000-mapping.dmp
      • memory/2256-2844-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-1493-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-1497-0x0000000075C60000-0x0000000075E00000-memory.dmp
        Filesize

        1.6MB

      • memory/2256-1498-0x00000000772D0000-0x000000007734A000-memory.dmp
        Filesize

        488KB

      • memory/2256-2842-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-2843-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-2879-0x00000000026C0000-0x00000000027C0000-memory.dmp
        Filesize

        1024KB

      • memory/2256-2845-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-1494-0x0000000077600000-0x00000000777A3000-memory.dmp
        Filesize

        1.6MB

      • memory/2256-2854-0x00000000026C0000-0x00000000027C0000-memory.dmp
        Filesize

        1024KB

      • memory/2256-2878-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-1489-0x0000000000000000-mapping.dmp
      • memory/2256-2852-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-1495-0x00000000759D0000-0x0000000075BE5000-memory.dmp
        Filesize

        2.1MB

      • memory/2256-2877-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/2948-2860-0x0000000000000000-mapping.dmp
      • memory/3228-2872-0x0000000000000000-mapping.dmp
      • memory/3440-1483-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1482-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1481-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-132-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1492-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1480-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1479-0x0000000000400000-0x0000000000620000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-137-0x00000000772D0000-0x000000007734A000-memory.dmp
        Filesize

        488KB

      • memory/3440-136-0x0000000075C60000-0x0000000075E00000-memory.dmp
        Filesize

        1.6MB

      • memory/3440-134-0x00000000759D0000-0x0000000075BE5000-memory.dmp
        Filesize

        2.1MB

      • memory/3440-1484-0x00000000027E0000-0x00000000028E0000-memory.dmp
        Filesize

        1024KB

      • memory/3440-133-0x0000000077600000-0x00000000777A3000-memory.dmp
        Filesize

        1.6MB

      • memory/3824-2855-0x0000000000000000-mapping.dmp
      • memory/4408-2861-0x0000000010000000-0x0000000010018000-memory.dmp
        Filesize

        96KB

      • memory/4408-2853-0x0000000000000000-mapping.dmp