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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23/10/2023, 06:30

General

  • Target

    a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe

  • Size

    3.6MB

  • MD5

    a16dd125c0d65cbac696fd513007d88b

  • SHA1

    7c78ba4a5f1686398778439fa87c0354343df983

  • SHA256

    a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098

  • SHA512

    e3ab5455a235c0ee755dee5355d3a4037ec999b2800974279aa6d02153e4bc5c2c86b9600df231b9dbf210a1824bd89d136c0bb211d6d42c3dfcb125db9ce554

  • SSDEEP

    49152:ZCwsbCANnKXferL7Vwe/Gg0P+Whz5Dmn2QZPgKDpIH0pZQESc86xUR6t0:Uws2ANnKXOaeOgmhVDmn2R+ZQEDi

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 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 8 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe
    "C:\Users\Admin\AppData\Local\Temp\a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2416
    • 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:2248
    • 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:2420
      • 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:2752
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2700
    • C:\Users\Admin\AppData\Local\Temp\HD_a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe
      2⤵
      • Executes dropped EXE
      PID:2716
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2336
    • 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:1872
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259404172.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1916
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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:2832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.6MB

      MD5

      da6c4bbcb1588b5c2c30d62970ea34b1

      SHA1

      dc3cd268d73c0e03e99fc1387eb84a4057d19b60

      SHA256

      64ca04cc4ba9e952573b81d0f455aecc9de9cfc7951afde044f0dc36697a829e

      SHA512

      1f20e667df87fdd850ef6958e6148f1d907b958a0b3237b2fa3d15eaad1cfdd492ea88a15374d0f7c1d7f39429b671e4ba1755f7346bea43c31b0968710fd5b3

    • C:\Users\Admin\AppData\Local\Temp\HD_a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe

      Filesize

      979KB

      MD5

      45e63493aa5450b19c91ecccf46859a6

      SHA1

      a3dd4f1c8ec6c3bfaebd4294bb7e46e009bd1cec

      SHA256

      b023a93e13ee20a16791e98fbb6231fb83613e84255bbe8c8ea87930d4467e7a

      SHA512

      09b79dc83158f9946bc79e7b299458854e046b20662602375a9d09f78eed249ed8d5b250515413bb49a22b85a443772032c2d4f600ef06a95abf40360b17de3c

    • 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:\Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • 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

    • \??\c:\windows\SysWOW64\259404172.txt

      Filesize

      899KB

      MD5

      e21bf15c9880638eebf0253b2ab6d5b1

      SHA1

      1b8bc3a0fa2a9b44810bce584168cbdff76db99f

      SHA256

      adb8d64e8fa4edb4922b24543dfc391379c0d26775537c67b9ed236dab84dd32

      SHA512

      bf4309a1edbd1aa4389633e0e1cbdbfad348e5f28d67671cce1146fb9af6558adb40118ea86f2525f263905cb8259738c668932bbfebf96c1425e66d65fdea50

    • \Users\Admin\AppData\Local\Temp\HD_a764208e48b004a2cb201bab737fe6bcb8e4198521c8c3de689827b2b70a9098.exe

      Filesize

      979KB

      MD5

      45e63493aa5450b19c91ecccf46859a6

      SHA1

      a3dd4f1c8ec6c3bfaebd4294bb7e46e009bd1cec

      SHA256

      b023a93e13ee20a16791e98fbb6231fb83613e84255bbe8c8ea87930d4467e7a

      SHA512

      09b79dc83158f9946bc79e7b299458854e046b20662602375a9d09f78eed249ed8d5b250515413bb49a22b85a443772032c2d4f600ef06a95abf40360b17de3c

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259404172.txt

      Filesize

      899KB

      MD5

      e21bf15c9880638eebf0253b2ab6d5b1

      SHA1

      1b8bc3a0fa2a9b44810bce584168cbdff76db99f

      SHA256

      adb8d64e8fa4edb4922b24543dfc391379c0d26775537c67b9ed236dab84dd32

      SHA512

      bf4309a1edbd1aa4389633e0e1cbdbfad348e5f28d67671cce1146fb9af6558adb40118ea86f2525f263905cb8259738c668932bbfebf96c1425e66d65fdea50

    • \Windows\SysWOW64\259404172.txt

      Filesize

      899KB

      MD5

      e21bf15c9880638eebf0253b2ab6d5b1

      SHA1

      1b8bc3a0fa2a9b44810bce584168cbdff76db99f

      SHA256

      adb8d64e8fa4edb4922b24543dfc391379c0d26775537c67b9ed236dab84dd32

      SHA512

      bf4309a1edbd1aa4389633e0e1cbdbfad348e5f28d67671cce1146fb9af6558adb40118ea86f2525f263905cb8259738c668932bbfebf96c1425e66d65fdea50

    • \Windows\SysWOW64\259404172.txt

      Filesize

      899KB

      MD5

      e21bf15c9880638eebf0253b2ab6d5b1

      SHA1

      1b8bc3a0fa2a9b44810bce584168cbdff76db99f

      SHA256

      adb8d64e8fa4edb4922b24543dfc391379c0d26775537c67b9ed236dab84dd32

      SHA512

      bf4309a1edbd1aa4389633e0e1cbdbfad348e5f28d67671cce1146fb9af6558adb40118ea86f2525f263905cb8259738c668932bbfebf96c1425e66d65fdea50

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Windows\SysWOW64\TXPlatfor.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • memory/2420-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2420-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2420-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2420-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2420-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2704-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2704-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2832-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2832-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2832-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2832-53-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB