Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 19:05

General

  • Target

    ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe

  • Size

    2.9MB

  • MD5

    f300d0c8fe176730aff3e68d9ecfe6d0

  • SHA1

    64b583a971a3242b249debab9213feff41b6cc35

  • SHA256

    ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f

  • SHA512

    47e4a0f3b0bf6af1aebc6b871001323b7ab6e5bcaeff8a24b7f9298f03983772c01376dad575f962a52e7bac563a2af29a87a3639fcc83cdf3155e7b0365d2e9

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+Wh+DBRLidVBY:Vws2ANnKXOaeOgmh+YVm

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 14 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files 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 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\ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe
    "C:\Users\Admin\AppData\Local\Temp\ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3584
    • 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:1588
    • 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:3556
      • 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:4332
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1120
    • C:\Users\Admin\AppData\Local\Temp\HD_ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe
      2⤵
      • Executes dropped EXE
      PID:4400
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1192
    • 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:3876
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240656156.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1556
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4080
      • 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:4372
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1404 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3580

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              961KB

              MD5

              5e5d4e9bc5069d8863e4aeaaa0f731a3

              SHA1

              3a35092008eb6d68ee87250b502cff3874f54654

              SHA256

              553c6b8b09d5b24d8bfa2f65209482b7bdf292bf1dca43747187bd74e376e068

              SHA512

              0f3a5b5ebd9111eb473f9c31abbb0f40bd71e9fe9a8d5066f9519e5b85f6dac19c35f8f98c95572eb8ae0e352d9777d9415ca1ea7bd557c34ab6308913c9797f

            • C:\Users\Admin\AppData\Local\Temp\HD_ac6b24cc6f0a66303168cc34dfb2337746f1780b4397aff01f69260e6631b12f.exe

              Filesize

              341KB

              MD5

              1802e5f9bc6c3d7ad503f021ebbdc38f

              SHA1

              1d3a4606619c38f7b8adc7b0ece00c5ddcb3ce6a

              SHA256

              e4f0b86b75edc250dadb588016d5d3b01db40acf2c11104e7ed1133581fca148

              SHA512

              453ab3246991ebb1ea74ab158ca53ea4bee06cc96f9c7236f5bee6120b176fca5ca588dfc79923e78ca11cafe37a9aebe2c2f8763a5d225fdad6cf254bebf75a

            • 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\RCXCFB1.tmp

              Filesize

              2.3MB

              MD5

              3eff21fe2904591ab01a9d79201f0c94

              SHA1

              33813af6dd355440d877453f6a9251a32476c1ac

              SHA256

              17434c4e5bfed7a6f4e421478ce631debff13d3dcce2ebb2c6ab18546ddde461

              SHA512

              13a0eeda745ad1e3f59f28fca8ed84d274593eead072d84baf5db2ffc5aeb5dd182917c3bdf2100435b88c14e5aee336d9286121ca33a7794d4c2668a79d26af

            • C:\Users\Admin\AppData\Local\Temp\X.ico

              Filesize

              69KB

              MD5

              e33fb6d686b1a8b171349572c5a33f67

              SHA1

              29f24fe536adf799b69b63c83efadc1bce457a54

              SHA256

              020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

              SHA512

              cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

            • C:\Windows\SysWOW64\240656156.txt

              Filesize

              899KB

              MD5

              0d1ed668d7e8032f4355c86d56e04e2a

              SHA1

              05a6226912ef80144b084a3ee4cef428623d714f

              SHA256

              00c1034009883c4cd9be71b8f50ab70b1d8c4cd7af65c41e646fb254068f2fe4

              SHA512

              9f5277f845e2c1ce766ec0949abaa031fc2f6dc64b53e604dd9c3289f32f0ab9a18d3373fb9a30028c6f9f497bc43f3630b9133af98d98d2e92454d1de83e622

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

              Filesize

              60KB

              MD5

              889b99c52a60dd49227c5e485a016679

              SHA1

              8fa889e456aa646a4d0a4349977430ce5fa5e2d7

              SHA256

              6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

              SHA512

              08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

            • memory/3556-12-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3556-16-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3556-14-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3556-31-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3556-15-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4080-30-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4080-36-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4080-29-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4080-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4080-26-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4372-40-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4372-44-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4372-47-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4372-49-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB