Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 09:56

General

  • Target

    db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe

  • Size

    6.5MB

  • MD5

    d32f5f3363180d5e3c7dbaf177f4311d

  • SHA1

    7a9518162f910819f64f2833d0d2270d4634cc37

  • SHA256

    db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1

  • SHA512

    b3b1fa36eddb70cec3704944f7a0847069d524aae73713b560900e5b214701edec333f3cdc94b4d50825f74843c23f18b56b747a7545abbd8c705b0355ac6a2c

  • SSDEEP

    98304:6ws2ANnKXOaeOgmhjbEpmqITQd7OCT3ktnUcixlGKb/ic+jmrjNl:QKXbeO79dv6UtnUciPbejSjD

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 37 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 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 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe
    "C:\Users\Admin\AppData\Local\Temp\db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4656
    • 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:2164
    • 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:888
      • 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:4808
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4636
    • C:\Users\Admin\AppData\Local\Temp\HD_db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe
      C:\Users\Admin\AppData\Local\Temp\HD_db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3872
      • \??\c:\windows\system32\cmd.exe
        c:\windows\sysnative\cmd /c "C:\Windows\Temp\SubRangs.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\Windows\Temp\SubRangs.exe
          C:\Windows\Temp\SubRangs.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3888
          • C:\Windows\Temp\Internet Explorer.exe
            "C:\Windows\Temp\Internet Explorer.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Drops file in Windows directory
            • Suspicious use of SetWindowsHookEx
            PID:5012
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4896
    • 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:1124
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599796.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:11032
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:748
      • 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:4088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\E_N60005\krnln.fnr

      Filesize

      1.2MB

      MD5

      a6a397b67ebac717e7ec095bf9b597ee

      SHA1

      80c7459654f3564c0cb74a47398d48e0f02cb82f

      SHA256

      847fbe068ff90112d9b76c04587439ee3a3866d8c60466bb4673491d94ddfd89

      SHA512

      0eb5528a4aad4458feddbefb5347d0e2cd84d6240a341ccc425d6ed98d15d8588d8635f21d30af389a2af5ac9537bea56a1d97530ac90e965989e296f1c5d8c8

    • C:\Users\Admin\AppData\Local\Temp\E_N60005\shell.fne

      Filesize

      60KB

      MD5

      98174c8c2995000efbda01e1b86a1d4d

      SHA1

      7e71a5a029a203e4ab0afc68eee18c39f4ab4097

      SHA256

      90284c2ead0598faa715cc90c1f53b83b916099c918ce7f816f0b4550ff55ac6

      SHA512

      a37059062a99cd2a9fae15850b49068752ccf0be9f1d86c3f812a689b7c4d024771ec2b66adf9ce950bc5b8b117d457aba87d586cf112a1a30239531bfc8cd06

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

      Filesize

      2.3MB

      MD5

      da2813fb86bbf1c832a618b088df87bc

      SHA1

      78348ab31f69e5dc6169a49d1ffb8e0416b84cd1

      SHA256

      89dfdc25935591ea7c72b4d7f5bde92cc15bb1578c3fcc8a0c897bcc2eee6b6d

      SHA512

      36ef990b4b4826f306baf4b80b79be16c4df7e3985ee7f1e44282f11f3170f6c9a15f4dca8dec585fa21e69c5b229ea6071799be04478816638cf57c292ee32e

    • C:\Users\Admin\AppData\Local\Temp\HD_db0fd786aba0c379fa39bdc1aca7c84f683b0f03de2b083c50662aed855b6fc1.exe

      Filesize

      4.2MB

      MD5

      91dbcd7386a66e0f51e10d5bda49bddd

      SHA1

      29c9e958ec2b74e576aa2e666620df6adea46f54

      SHA256

      5e4aedffc31f274f864a44bb2cdc667f210a11d891a983447865ff5c4f4c0a08

      SHA512

      84189f19b3de2aa7d8aa88049bf1b74ad224a46994056beeafe4b609d9314821d05c1a898a450381adf7bc0aa24e2d8f0c28327f29033ca79cfd9d7147a46dc5

    • 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:\Users\Admin\AppData\Local\Temp\iext1.fnr.bbs.125.la

      Filesize

      586KB

      MD5

      bc659a87a9b0fd318437ee8ed03d7b67

      SHA1

      6ee760653b7f7d6dc37af97b814b449b28478ef1

      SHA256

      479c05b569c962922f5eaa850ada3a94e492b340fb56d5125c0d977b09507912

      SHA512

      4b0c6ba6dbfa645c6133e13044eeac1bf0de4575690dab4d9691c0a7654b1f0c1a5a3788bbdb925ae089d504486dab43d0b5ef4b805e1726a44399445e07cac9

    • C:\Windows\SysWOW64\240599796.txt

      Filesize

      899KB

      MD5

      8f9a89884d0f40557e308112e9e005c6

      SHA1

      5386b84696b4e8012efc882bc2205ea6bc7f89f2

      SHA256

      d6e1e5ed1f32bfcfc3247a4a04af0787aaafc143cc62d5bd73caec36f17c50fa

      SHA512

      651b83ab69d3890e5190bcad4ebea9a3fe5f68c05997a19d43b4672e8ee5c82e68a010b8a97a2dacd7488c749281d642cf124fc5ac953e3fc74a669abe65c5ce

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\Temp\Internet Explorer.exe

      Filesize

      1.1MB

      MD5

      cbd351fc93b61ca74898d8183d36d9a2

      SHA1

      3c1ad1055438642571e4160c213bb563085d640c

      SHA256

      ebc9ed2855d5847894414e9e72b729d978d46d8ec81335ae6e1fc3432a838069

      SHA512

      ee4f6897c91e37571d8c1c929593f7aecfbaad5aa6ca896a035203df285d1bc33f3c042f5850e5433d7c599f33371b6de0c527787abc93c581d27d8b190224d3

    • C:\Windows\Temp\SubRangs.exe

      Filesize

      666KB

      MD5

      a48c8e538d62c65ca94d7651f1364f37

      SHA1

      41a9fe6d151b2880cc4ea37885c4430d353e8159

      SHA256

      e4e34957dfa20c6cd73cc5e1a4d800079d3eeab4899cf2e72cb876da662179ec

      SHA512

      cf900db3656f47ae5c78a1831647e570967e1011a0f50db47ef99438293a071b8e3eb9b1bcf32f393a9d32ff31e8176b9f0da4fd59dca99777f2160b11f2dd79

    • memory/748-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/748-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/748-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/888-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/888-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/888-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/888-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3888-69-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3888-78-0x00000000020A0000-0x00000000020B5000-memory.dmp

      Filesize

      84KB

    • memory/3888-84-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4088-65-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4088-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4088-63-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/5012-3959-0x0000000077490000-0x0000000077630000-memory.dmp

      Filesize

      1.6MB

    • memory/5012-85-0x0000000076B30000-0x0000000076D45000-memory.dmp

      Filesize

      2.1MB

    • memory/5012-5968-0x0000000075A40000-0x0000000075ABA000-memory.dmp

      Filesize

      488KB

    • memory/5012-83-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13160-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13162-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13159-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13157-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13158-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB

    • memory/5012-13165-0x0000000010000000-0x000000001000B000-memory.dmp

      Filesize

      44KB

    • memory/5012-13168-0x0000000000400000-0x0000000000575000-memory.dmp

      Filesize

      1.5MB