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
    29/08/2023, 07:53

General

  • Target

    a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe

  • Size

    6.1MB

  • MD5

    875227db5701889e4a67f666881b251f

  • SHA1

    962d9cdaf40754c0ec7e2c652f7f1ca42d43ec7b

  • SHA256

    a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf

  • SHA512

    6dcaec5a774df6dfd8fd6586c8bc1ba18fc89ce1a644202b15d83b10d9ad7502c9ea0adb51a1275698908e358f8255c2519a64a8b48d464f4cc20766f34fba9b

  • SSDEEP

    98304:bZJt4HINy2LkeefS7peKOB3NLSiwbrM95+NTl:diINy2Lkee4pc3+rk5ql

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 11 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe
    "C:\Users\Admin\AppData\Local\Temp\a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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:3044
      • 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:2856
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1108
    • C:\Users\Admin\AppData\Local\Temp\HD_a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe
      2⤵
      • Executes dropped EXE
      PID:2724
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2852
    • 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:2808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.1MB

          MD5

          4c4d4ae160a87b9e7503e64d50aabeed

          SHA1

          08a895bb16ac7a3e3d501c71b7456b705ed72804

          SHA256

          fa91ea78c5df64ecd5562a6d414c95fec1ccbc42d93e158b091993835ca5e89a

          SHA512

          7fb5bffef997e908ecff48e16b80e5409eb6aa81965a42706d948cefdb915c5a537ad2023bc5006a5a713a643cd50e5d2b8222643b413bbe40a882704697c9fd

        • C:\Users\Admin\AppData\Local\Temp\HD_a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe

          Filesize

          5.1MB

          MD5

          5a687d92e7e5b897d940a957c58f4b93

          SHA1

          315ec2cc6837fd8065a410dabfc5afc192c4f856

          SHA256

          e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

          SHA512

          2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

        • 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_a3caf369d1667da3cf24cd843d44791666f23da5f7578402ac922c7e2de095bf.exe

          Filesize

          5.1MB

          MD5

          5a687d92e7e5b897d940a957c58f4b93

          SHA1

          315ec2cc6837fd8065a410dabfc5afc192c4f856

          SHA256

          e3eb80a72e7cd76dc24afd78a890e4d51ce0cb68586156167c9aba096b3fc75f

          SHA512

          2d526d3e6b2ca1cb327b9f151794bd7aefbf8e9fff5d1b50b022afc4fb030fda60efb2ebf487217057efc4c740266d0e5441d5fdae60ee903c7e9052d2714089

        • \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/2808-31-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2808-61-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2808-27-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2808-74-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2852-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2852-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3044-9-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3044-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3044-8-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/3044-5-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB