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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230824-en
  • resource tags

    arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 12:18

General

  • Target

    811218ec9988c61bc87ee7f606e2ed74d9f13def02bed252aaaf16b859936994.exe

  • Size

    3.1MB

  • MD5

    863670c321d93cf3aca2196ef404eea2

  • SHA1

    a0bd34c8a5bf2ffb49340680c7042656c6bc3cee

  • SHA256

    811218ec9988c61bc87ee7f606e2ed74d9f13def02bed252aaaf16b859936994

  • SHA512

    100d91e779b46d05d4ace2c6c807c1b8e8b71b8108ba17b9995f544e04d49f5a5e19b788e0aa15afbb0c8acdca66d37c485869dd38e6d8d390e0c960ac3535ff

  • SSDEEP

    49152:QLkq33Uu48VDGMkdLL35c//////ZTVJ50BSRc0OlUTK3+s8KuqGaX0ToIBAUZLYP:hq0h8VDGbZc///////J5pW0TJBAUZLw

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 36 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\811218ec9988c61bc87ee7f606e2ed74d9f13def02bed252aaaf16b859936994.exe
    "C:\Users\Admin\AppData\Local\Temp\811218ec9988c61bc87ee7f606e2ed74d9f13def02bed252aaaf16b859936994.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\AK47.exe
      C:\Users\Admin\AppData\Local\Temp\\AK47.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\47.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Users\Admin\AppData\Local\Temp\47.exe
          C:\Users\Admin\AppData\Local\Temp\47.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1604
          • 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\47.exe > nul
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2092
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 2 127.0.0.1
              6⤵
              • Runs ping.exe
              PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\r.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Users\Admin\AppData\Local\Temp\r.exe
          C:\Users\Admin\AppData\Local\Temp\r.exe
          4⤵
          • Sets DLL path for service in the registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          PID:2500
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñ"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe
      C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñ.exe "c:\windows\system32\259463967.bat",MainThread
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1672
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñ"
    1⤵
      PID:2496
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2456
      • 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:1464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\47.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • C:\Users\Admin\AppData\Local\Temp\47.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • C:\Users\Admin\AppData\Local\Temp\AK47.exe

      Filesize

      586KB

      MD5

      20bbaea0f63e79ddfd42da8cc35763e0

      SHA1

      bf48a4a1bd8e8b611bbe57a05d5d9e406d7bf9a6

      SHA256

      fae6449a0d0a6fbc4f1fc2ed341a6c10d81e07d864677116626b04f9ceb83c46

      SHA512

      532de5f15703de5c22c0593074e69f754f7590ede1529e774caa9cef133d9c228555b24e168645fa0d99ecaa18e78c56e5a17514e8158dcabca8d824a9af876f

    • C:\Users\Admin\AppData\Local\Temp\AK47.exe

      Filesize

      586KB

      MD5

      20bbaea0f63e79ddfd42da8cc35763e0

      SHA1

      bf48a4a1bd8e8b611bbe57a05d5d9e406d7bf9a6

      SHA256

      fae6449a0d0a6fbc4f1fc2ed341a6c10d81e07d864677116626b04f9ceb83c46

      SHA512

      532de5f15703de5c22c0593074e69f754f7590ede1529e774caa9cef133d9c228555b24e168645fa0d99ecaa18e78c56e5a17514e8158dcabca8d824a9af876f

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

      Filesize

      93KB

      MD5

      4992f3334ad36ff3f61a3b2e3ba7336c

      SHA1

      61d93ffde435d0d6b1ff0b4fdeef65d79d1f06e8

      SHA256

      f6b53c8cbef17932ef640bb83b07e56067ffaa582330bb1f68001194a84d1641

      SHA512

      4772747b159d887ec183c17142dab4bff3595d988a9fa1d28463b82a96f7da0069765cf9e71f1eb33d97c66eb2756103bdd6cc05693f6d76a2ba823ec128d3e0

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

      Filesize

      93KB

      MD5

      4992f3334ad36ff3f61a3b2e3ba7336c

      SHA1

      61d93ffde435d0d6b1ff0b4fdeef65d79d1f06e8

      SHA256

      f6b53c8cbef17932ef640bb83b07e56067ffaa582330bb1f68001194a84d1641

      SHA512

      4772747b159d887ec183c17142dab4bff3595d988a9fa1d28463b82a96f7da0069765cf9e71f1eb33d97c66eb2756103bdd6cc05693f6d76a2ba823ec128d3e0

    • C:\Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • C:\Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • C:\Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \??\c:\windows\SysWOW64\259463967.bat

      Filesize

      50KB

      MD5

      dfa36a8f3d5750b656fb88bcd81a31e7

      SHA1

      c19e2c78a1fe2e2b7bb5cfedf449a36667e89168

      SHA256

      ce2690dfcab2e511b4efbed68054f9b37782a65eaf537db039da0adf1ab7e02e

      SHA512

      667ac6e5661a995d5394da63040f827363a125406e8898ca774d04ab4f69283217d8eb0c43074ae2430d86d824207e1de62403d5eb673707a259ad7add87c43f

    • \Users\Admin\AppData\Local\Temp\47.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • \Users\Admin\AppData\Local\Temp\AK47.exe

      Filesize

      586KB

      MD5

      20bbaea0f63e79ddfd42da8cc35763e0

      SHA1

      bf48a4a1bd8e8b611bbe57a05d5d9e406d7bf9a6

      SHA256

      fae6449a0d0a6fbc4f1fc2ed341a6c10d81e07d864677116626b04f9ceb83c46

      SHA512

      532de5f15703de5c22c0593074e69f754f7590ede1529e774caa9cef133d9c228555b24e168645fa0d99ecaa18e78c56e5a17514e8158dcabca8d824a9af876f

    • \Users\Admin\AppData\Local\Temp\AK47.exe

      Filesize

      586KB

      MD5

      20bbaea0f63e79ddfd42da8cc35763e0

      SHA1

      bf48a4a1bd8e8b611bbe57a05d5d9e406d7bf9a6

      SHA256

      fae6449a0d0a6fbc4f1fc2ed341a6c10d81e07d864677116626b04f9ceb83c46

      SHA512

      532de5f15703de5c22c0593074e69f754f7590ede1529e774caa9cef133d9c228555b24e168645fa0d99ecaa18e78c56e5a17514e8158dcabca8d824a9af876f

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

      Filesize

      93KB

      MD5

      4992f3334ad36ff3f61a3b2e3ba7336c

      SHA1

      61d93ffde435d0d6b1ff0b4fdeef65d79d1f06e8

      SHA256

      f6b53c8cbef17932ef640bb83b07e56067ffaa582330bb1f68001194a84d1641

      SHA512

      4772747b159d887ec183c17142dab4bff3595d988a9fa1d28463b82a96f7da0069765cf9e71f1eb33d97c66eb2756103bdd6cc05693f6d76a2ba823ec128d3e0

    • \Windows\SysWOW64\259463967.bat

      Filesize

      50KB

      MD5

      dfa36a8f3d5750b656fb88bcd81a31e7

      SHA1

      c19e2c78a1fe2e2b7bb5cfedf449a36667e89168

      SHA256

      ce2690dfcab2e511b4efbed68054f9b37782a65eaf537db039da0adf1ab7e02e

      SHA512

      667ac6e5661a995d5394da63040f827363a125406e8898ca774d04ab4f69283217d8eb0c43074ae2430d86d824207e1de62403d5eb673707a259ad7add87c43f

    • \Windows\SysWOW64\259463967.bat

      Filesize

      50KB

      MD5

      dfa36a8f3d5750b656fb88bcd81a31e7

      SHA1

      c19e2c78a1fe2e2b7bb5cfedf449a36667e89168

      SHA256

      ce2690dfcab2e511b4efbed68054f9b37782a65eaf537db039da0adf1ab7e02e

      SHA512

      667ac6e5661a995d5394da63040f827363a125406e8898ca774d04ab4f69283217d8eb0c43074ae2430d86d824207e1de62403d5eb673707a259ad7add87c43f

    • \Windows\SysWOW64\259463967.bat

      Filesize

      50KB

      MD5

      dfa36a8f3d5750b656fb88bcd81a31e7

      SHA1

      c19e2c78a1fe2e2b7bb5cfedf449a36667e89168

      SHA256

      ce2690dfcab2e511b4efbed68054f9b37782a65eaf537db039da0adf1ab7e02e

      SHA512

      667ac6e5661a995d5394da63040f827363a125406e8898ca774d04ab4f69283217d8eb0c43074ae2430d86d824207e1de62403d5eb673707a259ad7add87c43f

    • \Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      20b05a93c5de23f1fe6c87f6bc4dabd5

      SHA1

      8cfc236635ec6b7ce78da31d098bc42cfbe89fa0

      SHA256

      3aa540780b32d22430706ac275b967c2f93d308f1f57fb794b67f0941fc6fe89

      SHA512

      4786eeea8d57c5cb1b655c11795af2d75ba7620b493c37d01685574af2749f32589963fb78fadd621ea4d8d3b9616bb31a4e8cd8675dcbb5292c22ad040831ac

    • \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñ.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1464-101-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1464-104-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1464-106-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1464-109-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1604-71-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1604-68-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1604-72-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1604-70-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1604-87-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-58-0x0000000000400000-0x0000000000498000-memory.dmp

      Filesize

      608KB

    • memory/2336-84-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-11-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-50-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-48-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-46-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-44-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-41-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-39-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-36-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-34-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-32-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-9-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-53-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-55-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-29-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-25-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-23-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-21-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-8-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-19-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-17-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-15-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-13-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-10-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2336-27-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/2456-96-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2456-90-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB