Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 10:49

General

  • Target

    33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe

  • Size

    2.9MB

  • MD5

    61aa348935ca471e361427be24ec4992

  • SHA1

    a5507cf3e11b9c1870d2764b48c95af0be89e02d

  • SHA256

    33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277

  • SHA512

    b62d512094415282ab0e9fb86e12e2a51cd5bacf8e597154db8cae03357961dd8a11c05d078a4f58d1d5811ba979cc4c21bf4f5669c772eb5eacda4739d444bb

  • SSDEEP

    49152:cjwsbCANnKXferL7Vwe/Gg0P+WhVKDmn2DGpUi:yws2ANnKXOaeOgmhVKDmn2DGt

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 14 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 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe
    "C:\Users\Admin\AppData\Local\Temp\33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 464
        3⤵
        • Program crash
        PID:3492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 456
        3⤵
        • Program crash
        PID:456
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3020
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:5088
    • C:\Users\Admin\AppData\Local\Temp\HD_33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe
      C:\Users\Admin\AppData\Local\Temp\HD_33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe
      2⤵
      • Executes dropped EXE
      PID:4884
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1340 -ip 1340
    1⤵
      PID:2812
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1340 -ip 1340
      1⤵
        PID:1316

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\HD_33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe

              Filesize

              341KB

              MD5

              5ec721a34ee7c46a069d924a68550f32

              SHA1

              866106b18391f20f4b22feb524d8a78e1c02ea96

              SHA256

              c87a5b8df9bb04e7796e77333f9dd91014ecea2ffcb0f50e211d24983e7ca615

              SHA512

              18e3ec7e4062bd451f1c64739bbe604544a77432c3f1cb1bd43acbe466f442cbd9f2237b4bc17a674cacb1d55a68ed6679e08b1838a5a31cccde11c208333cf8

            • C:\Users\Admin\AppData\Local\Temp\HD_33857bea7f87eba1342afacc0870ea20b96b8f0284dcbe71101489c7bc2fb277.exe

              Filesize

              341KB

              MD5

              5ec721a34ee7c46a069d924a68550f32

              SHA1

              866106b18391f20f4b22feb524d8a78e1c02ea96

              SHA256

              c87a5b8df9bb04e7796e77333f9dd91014ecea2ffcb0f50e211d24983e7ca615

              SHA512

              18e3ec7e4062bd451f1c64739bbe604544a77432c3f1cb1bd43acbe466f442cbd9f2237b4bc17a674cacb1d55a68ed6679e08b1838a5a31cccde11c208333cf8

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

              Filesize

              2.6MB

              MD5

              ebbd2e32344ea1777686b6a9bd5eeccc

              SHA1

              9fa09972e64ad18ecb7359969347819b6ae240dd

              SHA256

              5a10c905f59d20a4495c9658a8252348bd26eea5457d2d01187c88e1b4cda542

              SHA512

              26de2bcbc937cd7b62a181d7febadb6afcaf0c41975ae58cdf1da8130bd2eb494af1276766e58c30593cab71d5b7f44d792e108e96dd8082768eb7c98fa00346

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

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

              Filesize

              941KB

              MD5

              8dc3adf1c490211971c1e2325f1424d2

              SHA1

              4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

              SHA256

              bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

              SHA512

              ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

              Filesize

              941KB

              MD5

              8dc3adf1c490211971c1e2325f1424d2

              SHA1

              4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

              SHA256

              bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

              SHA512

              ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

            • C:\Windows\SysWOW64\240616937.txt

              Filesize

              899KB

              MD5

              d3d58513670f4cc2b81339281f235840

              SHA1

              d2e125f4157e5364c8a7b97de264cb63e93aa5b7

              SHA256

              eaa899aa23fe5e6d2c05cb2bddd8707defc23a6ffe562d66b428e18a3006f137

              SHA512

              c83cc58fa14953f77248db48c7387fb351862d756c8010c1d4c059072a2d8fe9bde919c2b471d5df0c23b9bda5c86bb1a0a9e029cea221af902015afde7a8277

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • memory/380-52-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/380-48-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/380-55-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/380-47-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/380-56-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1996-25-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1996-33-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1996-24-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1996-23-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/1996-21-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3020-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3020-16-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3020-15-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3020-14-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3020-12-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB