Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 19:22

General

  • Target

    219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe

  • Size

    3.0MB

  • MD5

    2f3c7d4ec1da2c6493c09888bfe71485

  • SHA1

    5918bf4c034086919780ff7bdb08a4e9060af4f8

  • SHA256

    219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0

  • SHA512

    de7fb82afecee8ecd5ad21e3972c47d4319a9d6adef559c313d4591c2a0df6a3ff419ba4771a3055971246508a71ba053a3e0cf4fbab795cf6f61b21e8709fb7

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+Wh6H1V7V3:Vws2ANnKXOaeOgmh6DV

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 8 IoCs
  • UPX packed file 15 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 6 IoCs
  • Runs net.exe
  • 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 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe
    "C:\Users\Admin\AppData\Local\Temp\219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2720
    • 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:2664
      • 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:2644
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:464
    • C:\Users\Admin\AppData\Local\Temp\HD_219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe
      C:\Users\Admin\AppData\Local\Temp\HD_219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c net user administrator /active:yes
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\system32\net.exe
          net user administrator /active:yes
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1288
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user administrator /active:yes
            5⤵
              PID:1484
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
        PID:2056
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2936
        • C:\Windows\SysWOW64\Remote Data.exe
          "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259418586.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2756
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2792
        • 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:2428

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\HD_219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe

              Filesize

              384KB

              MD5

              dc0d6068d5cef0728dbcc4dfc2597b69

              SHA1

              7f982297934ecd14d9f56a83493be6c4157acfe2

              SHA256

              f87d50e3559702ccd2b54807451c00e1a1531e31f4b5ce231ce0c363eb03f553

              SHA512

              9532bdd0ef43724d8e0caff4fa3a10267aec647143609ef37990a3814e72d20813e000963f74d5dd88b865283c509997db724c17e8be164bf891281117cc7902

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

              Filesize

              941KB

              MD5

              8dc3adf1c490211971c1e2325f1424d2

              SHA1

              4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

              SHA256

              bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

              SHA512

              ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

            • C:\Users\Admin\Desktop\JoinWrite.exe

              Filesize

              839KB

              MD5

              ebcf9dc61e2a2ab917b7378a18eb6c9e

              SHA1

              63566424672ac9bc30f7744a6f3b9252fd292b5b

              SHA256

              2266d8a55acec2773dc12262b4185c12211f15dc7dc7ea888aff181245160b0a

              SHA512

              febe1905aec73e479ee7c7c38db79f733e1d17814cf39fff0b4aec99b846215dc0fcd553ec687e9ba446aaf1a6ac7a9afae0237dbf27f563ae5ac63e20738a71

            • \Users\Admin\AppData\Local\Temp\HD_219a97e35a4b944dd9a20b576a0eaf3319311baea2660b39e8d9d3f23bb3dab0.exe

              Filesize

              417KB

              MD5

              1ef58af2eba7d4ab2361dddfc69a2e9b

              SHA1

              d196bb066ff884b158284745dba977cac37d5f82

              SHA256

              ccaa770e15e82faa815257e2f1e62e007d7631e06c9685e5222e68f645a70671

              SHA512

              0fa358b9005b11661dc0dbe5f00022741484e351bc763dc800f47aa79af75d12fc3df9497ce0359a45b9e4e3ff192084f6c5959d3420714975fcb6f94685e286

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

              Filesize

              377KB

              MD5

              4a36a48e58829c22381572b2040b6fe0

              SHA1

              f09d30e44ff7e3f20a5de307720f3ad148c6143b

              SHA256

              3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

              SHA512

              5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

            • \Windows\SysWOW64\259418586.txt

              Filesize

              899KB

              MD5

              0ba4d881f2d214fc46f9ca56363174b7

              SHA1

              90bb42833d24013a4616efd6c834611f31656215

              SHA256

              ad4d220292193f2fa18f48937ff18299da449c3082a952776c16c75224443f23

              SHA512

              4cf549c6e4481667a2b0b059ce11a57d50f86de09bff8c90ff7c8f17d33781c2bc8a03928bb9be8de0d92f8656b4c6b256314e82aa41f27141ec0a1be673d5cf

            • \Windows\SysWOW64\Remote Data.exe

              Filesize

              43KB

              MD5

              51138beea3e2c21ec44d0932c71762a8

              SHA1

              8939cf35447b22dd2c6e6f443446acc1bf986d58

              SHA256

              5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

              SHA512

              794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

            • memory/1280-72-0x0000000002C60000-0x0000000002D66000-memory.dmp

              Filesize

              1.0MB

            • memory/1280-44-0x0000000002C60000-0x0000000002D66000-memory.dmp

              Filesize

              1.0MB

            • memory/2428-64-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2428-48-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2428-62-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2664-21-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2664-36-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2664-20-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2664-22-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2664-18-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2792-47-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2792-30-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2944-46-0x000000013F560000-0x000000013F666000-memory.dmp

              Filesize

              1.0MB

            • memory/2944-65-0x000000013F560000-0x000000013F666000-memory.dmp

              Filesize

              1.0MB