Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 20:18

General

  • Target

    21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe

  • Size

    4.1MB

  • MD5

    86cd7423598d3ec0099916ef82a21783

  • SHA1

    440b22ffe4405904fbc97240b24e901ff6bb4175

  • SHA256

    21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa

  • SHA512

    ef02e5b9a83ea6edc75ff6ad109394b522f8f458ff17d01cc57c3259674a95eba9b41aee642b68d1e98412bbae8ec4e1598b112d47a27ea1c952715183104493

  • SSDEEP

    98304:0cy2LkxIEUgAtnf6ijFUGeeDdhnY+MIa/IB:Fy2Lk+E2tnfzjSKDTY+r9B

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
    "C:\Users\Admin\AppData\Local\Temp\21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1820
    • C:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
      C:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe
      2⤵
      • Executes dropped EXE
      PID:2932
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe

          Filesize

          3.2MB

          MD5

          7b343a9fe02cb6613014e3ad39e8d071

          SHA1

          81d1384aa0c255dcb36e31f3cfa5e082bf523ebe

          SHA256

          b7ad8ac875851aaca63c61a847b546b0b1544cc9d107410b71e6209557dec05c

          SHA512

          446eae64b513ae161e07456b8265562680551216b9fed1cd632a3ed636ed2722ff8156b6923d21af9e28944542818f16aad0eda8561e40fd3fcd70c4deec72ee

        • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

          Filesize

          940KB

          MD5

          7b2958136f4aa21d2a1555aa8da063f1

          SHA1

          4a82339804bd3deb28fd657c3b8c2b6d3e2b91fe

          SHA256

          1a400900418c14bddf041f95cf06f22e4634745c55eca1251d8be8f0eebca8a7

          SHA512

          7bb2baeb40fde36920133d304f2ed9a0d48ded5d404c104681b70b2496c5ecab8c3b24fd89760d344f5d167f56e6bbc6d3a2f1c30c713126cfe9017ecb5dabdc

        • C:\Users\Admin\AppData\Local\Temp\RVN.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • C:\Users\Admin\AppData\Local\Temp\RVN.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • C:\Windows\SysWOW64\TXPlatforn.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • C:\Windows\SysWOW64\TXPlatforn.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • C:\Windows\SysWOW64\TXPlatforn.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • C:\Windows\SysWOW64\TXPlatforn.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • \Users\Admin\AppData\Local\Temp\HD_21c9209e1f4c06022692cbc2e07cdc87cbda215ee037a379b1015537e6a2a9fa.exe

          Filesize

          3.2MB

          MD5

          7b343a9fe02cb6613014e3ad39e8d071

          SHA1

          81d1384aa0c255dcb36e31f3cfa5e082bf523ebe

          SHA256

          b7ad8ac875851aaca63c61a847b546b0b1544cc9d107410b71e6209557dec05c

          SHA512

          446eae64b513ae161e07456b8265562680551216b9fed1cd632a3ed636ed2722ff8156b6923d21af9e28944542818f16aad0eda8561e40fd3fcd70c4deec72ee

        • \Users\Admin\AppData\Local\Temp\RVN.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • \Windows\SysWOW64\TXPlatforn.exe

          Filesize

          377KB

          MD5

          80ade1893dec9cab7f2e63538a464fcc

          SHA1

          c06614da33a65eddb506db00a124a3fc3f5be02e

          SHA256

          57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

          SHA512

          fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

        • memory/2316-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2316-35-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2348-25-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2348-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2348-14-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2348-12-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2952-33-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2952-34-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2952-38-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB