Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:55

General

  • Target

    79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe

  • Size

    7.3MB

  • MD5

    4ba9d6d43c9d2107da21072bb14e184e

  • SHA1

    4a6799de20a3445c658e10fe9190bdfe2b15e9b6

  • SHA256

    79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06

  • SHA512

    03f6a93047f633de2227ec8a1661f889f24c112a3402cbfb13ada2ae323852e2969a59e0145489b0b3fb7f7d3ec74d970bb7488158dc38ec4906fc62a8c7060a

  • SSDEEP

    98304:zws2ANnKXOaeOgmhtPA27Vay4fV/sh26vjcE5Qkd2MgBJkUl:VKXbeO7nY2AMrjb5MBVl

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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 10 IoCs
  • UPX packed file 31 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 13 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe
    "C:\Users\Admin\AppData\Local\Temp\79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1372
    • 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:2960
    • 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:2932
      • 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:2956
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2460
    • C:\Users\Admin\AppData\Local\Temp\HD_79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe
      C:\Users\Admin\AppData\Local\Temp\HD_79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2336
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3016
    • 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:3060
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393236.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2544
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2564
      • 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:2612

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
      Filesize

      68KB

      MD5

      29f65ba8e88c063813cc50a4ea544e93

      SHA1

      05a7040d5c127e68c25d81cc51271ffb8bef3568

      SHA256

      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

      SHA512

      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

      2.5MB

      MD5

      e62fe2602b910ba75e8a0bf3ffa14d4b

      SHA1

      d18c6b08bcc55981441ffca4aaefc0d5d8bddf57

      SHA256

      b42707824307d505d61089fcb4927eed3fbfbbfc321816e441ba12149ec1f26d

      SHA512

      213f4f784350ca6eee21c1455bf8d59ac8fb1cb69535b8213f8ded62c08fa16ffcd82393d10553c439f21757eda0a9e02d5a4179a860355bbae366636b6ddc47

    • C:\Users\Admin\AppData\Local\Temp\Tar6.tmp
      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • \Users\Admin\AppData\Local\Temp\HD_79f8fa7843a3a7c0ab91155850adb89e9253b5f53619124b6e0f3795f3341a06.exe
      Filesize

      4.8MB

      MD5

      031e3bb497cea906430ff20b912c1a4d

      SHA1

      6c91cfd7e6f245366a06d2870d29eebafe2ac509

      SHA256

      ce71b7bafd8df522da79b03b52d35928242efd8ebec2717b30c706e83985dbb0

      SHA512

      2969399b1ddc56a90bf67541a7cd8b8f24df12d41d8c88b48f90659970248921b304c60d4db31157191b737c188f96e6130ea683ee60dc54c8bbdb41a6587b08

    • \Users\Admin\AppData\Local\Temp\HPSocket4C.dll
      Filesize

      1.8MB

      MD5

      71956d514f8b782022def394d4c88c8c

      SHA1

      81041f198a8bc592cb21eaadc1386a649247d6e9

      SHA256

      0ecb50c020c72ef081614975bc19dcefd1c906a822d7500270b022bc2d1f3d47

      SHA512

      36abc58bd7784bfeb867769100d19c557c1139eff839f650a848cc3c35c78a2f05366c96be46d1cf583158c6b9f85f9bf35b0f2e9a79687acb21b16af6d66514

    • \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\259393236.txt
      Filesize

      899KB

      MD5

      93e73942b2969dc07c939b71f6d2e50f

      SHA1

      cd95522c60c48372ead7e94f41b7af7859522396

      SHA256

      d2d6f84758cd85c2cb00ee9a0db104aa99cf0def849f700e437d8b10f2b69c39

      SHA512

      fc46cf1a68deb408b0095531f0ecc4f20b230e3f6afeef2669600e7010cb245580c765c24551a266969ae33c44620efb16c76642cb2b5c584817c00f5d28e937

    • \Windows\SysWOW64\Remote Data.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2336-94-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-86-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-57-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

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

      248KB

    • memory/2336-70-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-54-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-52-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-63-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-82-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-98-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-96-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-60-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-92-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-90-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-88-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-58-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

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

      248KB

    • memory/2336-81-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-78-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-76-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-74-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-72-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-68-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-66-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2336-64-0x0000000010000000-0x000000001003E000-memory.dmp
      Filesize

      248KB

    • memory/2612-51-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2612-50-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2612-40-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2932-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2932-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2932-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB