Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 14:20

General

  • Target

    klianghaxx.msi

  • Size

    35.7MB

  • MD5

    b50224d2998918a46f53631e95d0c82a

  • SHA1

    b87a7ac613227efff93e5ee806587bdff1407561

  • SHA256

    4f47635b4eaa1e3e8eddf090b25af99a07dafc7b71d876cf533e8cf8437d62cb

  • SHA512

    35ace3df1e35e5b633184d78df5c8aa56f180ff55cc3d90304fdb720d9908325af36fb82151b5a7bbf175d2afbb140a13e5c4f9fea46e12a5719c5a8e8fcf1c8

  • SSDEEP

    786432:qkhIiFQmQPoasemFaut9MNGXQAXPrWDP7THYKuPQplTiE7Fym:b0m8oasgutuN9AXPrWDPvHduGTifm

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 5 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.

  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 54 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\klianghaxx.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4040
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:872
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 59D63A899BBE1B1B86D7A5B291CFBBA4 E Global\MSI0000
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Program Files\UpgradeAdvisorSteadfast\RprxlqTjDBnm.exe
        "C:\Program Files\UpgradeAdvisorSteadfast\RprxlqTjDBnm.exe" x "C:\Program Files\UpgradeAdvisorSteadfast\WSycNbZGAgGoCikzCVpf" -o"C:\Program Files\UpgradeAdvisorSteadfast\" -pUdhsuLYAGzPmDseEvpqp -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3620
      • C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe
        "C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe" -number 175 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2552
      • C:\Program Files\UpgradeAdvisorSteadfast\letsvpn.exe
        "C:\Program Files\UpgradeAdvisorSteadfast\letsvpn.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2152
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -inputformat none -ExecutionPolicy Bypass -Command "If ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } Else { $env:PROCESSOR_ARCHITECTURE }"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:1880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4312
  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe
    "C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe" install
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    PID:2316
  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe
    "C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe" start
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    PID:1492
  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe
    "C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe"
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe
      "C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe" -number 297 -file file3 -mode mode3 -flag flag3
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe
        "C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe" -number 362 -file file3 -mode mode3 -flag flag3
        3⤵
        • Enumerates connected drives
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57cac3.rbs

    Filesize

    7KB

    MD5

    ce8db15eba2a25093b2fa6a75ffac1b6

    SHA1

    86badb06226ee5bd2812c0f070aadc202f8e0de3

    SHA256

    3ad9d7627775db01138b1f99757246aad2eab7a7058d11a5e2c1c0f24a220903

    SHA512

    4eaaa9566d5d52d95df904bb84116d0477e1312f149a29e82670a22d9851180b77662867de5c247d99b5e65d5bfd7625b27be49fcc817dc2c4120d39c66ad34f

  • C:\Program Files\UpgradeAdvisorSteadfast\RprxlqTjDBnm.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\UpgradeAdvisorSteadfast\WSycNbZGAgGoCikzCVpf

    Filesize

    1.7MB

    MD5

    8f3fb6888ea0fa0b469d24ba3c94c7a0

    SHA1

    07ce9c008e0696f7f199870abcf8f7fce2d44226

    SHA256

    2fb227f2e083aa82be21d4d1c9d7cdbf6fb0f56004652f836cf444f7e3f88fe5

    SHA512

    a3703356ed830834fc0e29fde22e2018a6c71e098a1c2aadfb7beab42e587dfe8db243848e7b8b2ff4f962d89e9de450a9b0505dd27bf19564b619af72ddbc96

  • C:\Program Files\UpgradeAdvisorSteadfast\eCIiCJQGvW16.exe

    Filesize

    2.9MB

    MD5

    0e9a77152636348ef1df5bc112457d62

    SHA1

    759eb71dfed78cb9718e1c8f3dc719f6d3d4b4bb

    SHA256

    a001a3b643a7d3aafe82ac9e1f49e576d408bad20993844b6051353456127b89

    SHA512

    ce439b31e4540bbad086ab9508a0817909a508ef8a7bdc27568c52758fd0a0f7465fb93850bd8238cb1d24fe9c38b76276454e093faa3671c574605aa97326e6

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.wrapper.log

    Filesize

    260B

    MD5

    cb6df9c4ac7e4ee23d8988f3b899120c

    SHA1

    91217d656c7415f31d2d4bf95d5f83725629c348

    SHA256

    7474237581ba7af6a0161a57e1525bf5c08d7fce6b1bae28e7fe4bebf07597a1

    SHA512

    7a89b2b786e5364c4460f043da5b3b50e8d3c60de3e14c99b5ecb246ea4046a1cc1f559b2f0f279f1abef7a3968366021789c88e427ac620565932b475587151

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.wrapper.log

    Filesize

    413B

    MD5

    59c8965392417e35ac4f3f4676791ef8

    SHA1

    49393a332cb428fa2567a225dd0ca7370e6c6a54

    SHA256

    e169aa4877ba66db15d4d9c8bed04c42874c41d4307344654a777851d5a8bae7

    SHA512

    37bf184409d08502706660babcf120b233de7b198936c5403c0c5331752abc658a4e1e47e1750d3eb728e6b25cf911752f15b7db5c47077aaaa97f5a37e5561a

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.wrapper.log

    Filesize

    576B

    MD5

    621ee060e21982c3062d4d1c52555548

    SHA1

    441b2e1cd213dbbd2465cedf5a373b6b0787d7d7

    SHA256

    17cc744167816a6cacd701bb34a0102dadca5d5dd7b74d87321cc4185902f3dd

    SHA512

    f5281ea52afcce8e135124eea3ea6c256d4ecf6cdd4ec864ca404c43dfe75f447fbc2e05f59a2d596c029c12e79715d857c4b2bdfbe07e9d648904931fc716e1

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.wrapper.log

    Filesize

    724B

    MD5

    adf7d0300ae241836ac608aad1eaeef4

    SHA1

    43b610267d37a3665e06cbef53a1264d9c979f24

    SHA256

    942decd7503c16d52405c071771b7f411c5d377239af625f78185dbdc64012e5

    SHA512

    9ddd5ebafaef347d570a51a15f7992288c374bb6a6c3ec39519cd41d4fbc29ed2510b3b6f66936ea4f2d10f77ad5acb2b3d42e148d02a937ecda48ab40b64296

  • C:\Program Files\UpgradeAdvisorSteadfast\gLvRGFqwFJmB.xml

    Filesize

    435B

    MD5

    8ac72a64aaff5fb5f8ab55bbc9cd9c27

    SHA1

    46f8ec71afc049929370966038949428f29a05d1

    SHA256

    511073d20638765d59fdb70fd2de9ae3a49528c06b91ffc1689a4a4e03e5dc22

    SHA512

    5d479a9d784c8d32709ac441774b9b45cd7e11570681fbf71a300bb3930430028eb2c2e84067d2bac545d3781550e71612ff98d924e06a9259419b92fa25f2d5

  • C:\Program Files\UpgradeAdvisorSteadfast\letsvpn.exe

    Filesize

    14.5MB

    MD5

    94f6bd702b7a2e17c45d16eaf7da0d64

    SHA1

    45f8c05851bcf16416e087253ce962b320e9db8a

    SHA256

    07f44325eab13b01d536a42e90a0247c6efecf23ccd4586309828aa814f5c776

    SHA512

    7ffc5183d3f1fb23e38c60d55724ab9e9e1e3832c9fb09296f0635f78d81477c6894c00a28e63096fa395e1c11cbeaa1f77f910f9ff9c1f1ecf0b857aa671b3d

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\gLvRGFqwFJmB.exe.log

    Filesize

    1KB

    MD5

    122cf3c4f3452a55a92edee78316e071

    SHA1

    f2caa36d483076c92d17224cf92e260516b3cbbf

    SHA256

    42f5774d1ee4cae5d7a4e83970da42bb17e61ae93c312247211b5ee3535662e0

    SHA512

    c98666fb86aaff6471c0a96f12f037b9a607579c5891c9d7ba8cd4e90506ca7aa5b5f6264081d25f703c88fb69d8e2cd87809d508e771770550d0c5d4d17d91c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qxehxwok.dtx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\nsrD746.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • C:\Users\Admin\AppData\Local\Temp\nsrD746.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    ca95c9da8cef7062813b989ab9486201

    SHA1

    c555af25df3de51aa18d487d47408d5245dba2d1

    SHA256

    feb6364375d0ab081e9cdf11271c40cb966af295c600903383b0730f0821c0be

    SHA512

    a30d94910204d1419c803dc12d90a9d22f63117e4709b1a131d8c4d5ead7e4121150e2c8b004a546b33c40c294df0a74567013001f55f37147d86bb847d7bbc9

  • C:\Users\Admin\AppData\Local\Temp\nsrD746.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    3d366250fcf8b755fce575c75f8c79e4

    SHA1

    2ebac7df78154738d41aac8e27d7a0e482845c57

    SHA256

    8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6

    SHA512

    67d2d88de625227ccd2cb406b4ac3a215d1770d385c985a44e2285490f49b45f23ce64745b24444e2a0f581335fda02e913b92781043e8dfd287844435ba9094

  • C:\Windows\Installer\e57cac2.msi

    Filesize

    35.7MB

    MD5

    b50224d2998918a46f53631e95d0c82a

    SHA1

    b87a7ac613227efff93e5ee806587bdff1407561

    SHA256

    4f47635b4eaa1e3e8eddf090b25af99a07dafc7b71d876cf533e8cf8437d62cb

    SHA512

    35ace3df1e35e5b633184d78df5c8aa56f180ff55cc3d90304fdb720d9908325af36fb82151b5a7bbf175d2afbb140a13e5c4f9fea46e12a5719c5a8e8fcf1c8

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    23.7MB

    MD5

    cb86611f2c33ab46b54168e1e9c4c916

    SHA1

    a179d0564de213a03b7de5b5e093411f9adba160

    SHA256

    feadf0009e8fd8b0366a81251053201562ec7f00629a10ae58dc504c62417c90

    SHA512

    44f2b1ad568cf27cad30dc65d280e8d74d189cab2b39eba5d406c70066ccbf03b017f29fc4dd3af5c431209f942604f6b5635d1309a6d641b962c9671b333bb9

  • \??\Volume{f3a72b53-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ef6c51b9-9590-4042-ac70-bece32a8078a}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    44b62e69200c09f3e6ef960c6162e923

    SHA1

    b71f74e71d9f8a157d3aec453afa1ddea279da9c

    SHA256

    6c91667f77e76673b6b37bde4ffc9990bb0a75b69006369e9fa7b1423f89ca5d

    SHA512

    bc354534c23e8c7bb7b6f74adba713aeee2acb01c76dcf108dedc3453a69920b2089cc469e0bbbab9bfccf8b3a057c4286cb8d11a970f67f4161e4aee470e883

  • memory/1880-52-0x00000000052A0000-0x00000000052C2000-memory.dmp

    Filesize

    136KB

  • memory/1880-51-0x0000000005300000-0x0000000005928000-memory.dmp

    Filesize

    6.2MB

  • memory/1880-66-0x00000000061E0000-0x00000000061FE000-memory.dmp

    Filesize

    120KB

  • memory/1880-50-0x0000000002830000-0x0000000002866000-memory.dmp

    Filesize

    216KB

  • memory/1880-60-0x0000000005C00000-0x0000000005F54000-memory.dmp

    Filesize

    3.3MB

  • memory/1880-59-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/1880-53-0x0000000005AA0000-0x0000000005B06000-memory.dmp

    Filesize

    408KB

  • memory/1880-67-0x0000000006210000-0x000000000625C000-memory.dmp

    Filesize

    304KB

  • memory/2316-65-0x00000000002F0000-0x00000000003C6000-memory.dmp

    Filesize

    856KB

  • memory/4372-104-0x000000002A100000-0x000000002A143000-memory.dmp

    Filesize

    268KB

  • memory/4372-105-0x000000002BE80000-0x000000002C03A000-memory.dmp

    Filesize

    1.7MB

  • memory/4372-107-0x000000002BE80000-0x000000002C03A000-memory.dmp

    Filesize

    1.7MB

  • memory/4372-108-0x000000002BE80000-0x000000002C03A000-memory.dmp

    Filesize

    1.7MB

  • memory/4372-110-0x000000002BE80000-0x000000002C03A000-memory.dmp

    Filesize

    1.7MB

  • memory/4372-112-0x000000002BE80000-0x000000002C03A000-memory.dmp

    Filesize

    1.7MB