Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-04-2024 04:15

General

  • Target

    9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe

  • Size

    4.6MB

  • MD5

    3dfe6ff32db8cd1e7f6b2fba4c308836

  • SHA1

    a609b1de628998746bd1f33616f2a3324764fb52

  • SHA256

    9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811

  • SHA512

    fa169e2f01ef3f970c1b79ced8f5040117e9dff32ff4f55c13681cf468fb020bac9b2c59d426f2e97f170fd95cfdb3704346dbc0ba75925658acd0c6d72609f2

  • SSDEEP

    98304:iws2ANnKXOaeOgmh707KZxDnDCa+WlcelG07E2MLM:4KXbeO7a2v5zyelw2M

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 3 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe
    "C:\Users\Admin\AppData\Local\Temp\9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4280
    • 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:2740
    • 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:3252
      • 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:3032
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3648
    • C:\Users\Admin\AppData\Local\Temp\HD_9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:440
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3852
    • 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:4172
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596656.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4840
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2204
      • 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:3316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_9f61a3757f737404c25a2837ddd1ff6c14dfe394127c8a94c5c10f00dfa34811.exe

      Filesize

      1.8MB

      MD5

      08095f214d7c744f662ad0333dd78943

      SHA1

      6d1d74aeeb9a33339b1a1d52783f8b457fd54804

      SHA256

      ba26e167946b4ec11d857852bef3630e9469dec1c5c9750904c883a80b053160

      SHA512

      3cefda52c5d23d2354a201636eeae68fef869986a5c5aa6519d6305b583c7133f2f422f20e7bf8cedd073438638ed37c97a0e6de7ee762c1b1fb0e7785ac558e

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

      Filesize

      2.8MB

      MD5

      aaf8a2c5285cbb426bb2ba2f52af4fbc

      SHA1

      577fe8c0f4d70012c6e85704d794c4f69ddc2983

      SHA256

      68b9929fe623bc4b6cfb55e69eef305254779b2200abe509ecb0d64b1f610d42

      SHA512

      5432c65bc83f19b3297615b6c5b439e764acd305ad6dfdd80aef2152491e516e604fe890d0211b3152212412c221b620b8048aa2d481b2a2f47d224f2050961c

    • 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:\Windows\SysWOW64\240596656.txt

      Filesize

      899KB

      MD5

      b38c8112e07bd73e9720aa86837ebf87

      SHA1

      70479e66e0a3fa31d559cf008f14d384c84b389e

      SHA256

      a5b500aad62770876aad59eb504148715e98a94a613ddeece8be7b27d3f2a763

      SHA512

      4c69842ac72b4dda3e966f622c31a97a6997a799a9a7a759b9b6571cb200f3b7b316edecfc1ba1500c23870f345af8811d7ba436e6c52c809ae8afd050ffc78c

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/440-39-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-57-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-75-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-72-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-69-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-66-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-63-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/440-59-0x0000000000CE0000-0x0000000001266000-memory.dmp

      Filesize

      5.5MB

    • memory/2204-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2204-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2204-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2204-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2204-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3252-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3252-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3252-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3252-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-46-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3316-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB