Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 08:44

General

  • Target

    79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

  • Size

    1.9MB

  • MD5

    4dc12e53360382583b27216e5741bcf7

  • SHA1

    1cee5ae3602d2143c30e85ed507b0e33176b2633

  • SHA256

    79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7

  • SHA512

    05568bca5aa4046bb8f825f210d2968f041ae144aa61cfa6ed69217f8626de4aab4d9d9d094ad6fd726e90b3a781b5bb8dbf13509e0fc538521bd4200e6ac3ba

  • SSDEEP

    49152:U09XJt4HIN2H2tFvduySJJDmn2VTjm21t:5ZJt4HINy2LkJJDmn2Vt

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:224
      • 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\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3328
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3708
    • C:\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
      C:\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe
      2⤵
      • Executes dropped EXE
      PID:3244
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:4160
  • 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 --field-trial-handle=3980,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8
    1⤵
      PID:4336

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_79613f1f4633991ff171b93d8cdea6b81d03ba7dc72b5a138bb66723c5b91cc7.exe

      Filesize

      441KB

      MD5

      3893aeb4428ba5c5aa57471add1a03b0

      SHA1

      d0b0f401366293a7b01e897f027fabbcd49d299f

      SHA256

      f18fcddf3a06cc817a94a5dd61d8f1ac7d2bbe1e04e42f6fd803d3b944e8757e

      SHA512

      81ad48194131863dd8740ab28795450fc00fb346e8048fb95326588394dd26eec5cf39601fef78b2e48ac2cbf38d60fbb110af96dbfa4ad0424fc0f1dd06a599

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

      Filesize

      1.5MB

      MD5

      8a89f5d239eeef2abb1008b687318ca3

      SHA1

      299495f4a4600c02c354a568998ab914772f1876

      SHA256

      c648f19e941be83d744fed44bf0be1d3c17b032469364d7fd1db154b750761c6

      SHA512

      b735a8cbd29a02c6fbdcccb9e7cc3e177a068d5be929fe20d0ca7b1905bb45cba56df19de9be11e2ec437373dfc6a7502d38537c4284ed69a0b071cca8dfe255

    • C:\Users\Admin\AppData\Local\Temp\RCX82DC.tmp

      Filesize

      1.5MB

      MD5

      55bc96269ae302b37a70bd057c6244ff

      SHA1

      18de2cc8009942cd74db625c36f15b84147677bb

      SHA256

      fa5270be9e04279588e6bfd8b74ecc90272b103e688e4b98e84cc1a80f51b68f

      SHA512

      3aeea46c442d3d680f1e399ab293d7d5fc35627b1053ed22d40aefd9e9a9c17ad085c6a7bb7d3ad9c4624f8aff771e8b356507293c169807ed7547118b19a943

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

      Filesize

      377KB

      MD5

      80ade1893dec9cab7f2e63538a464fcc

      SHA1

      c06614da33a65eddb506db00a124a3fc3f5be02e

      SHA256

      57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

      SHA512

      fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

      Filesize

      69KB

      MD5

      e33fb6d686b1a8b171349572c5a33f67

      SHA1

      29f24fe536adf799b69b63c83efadc1bce457a54

      SHA256

      020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

      SHA512

      cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

    • memory/224-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/224-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/224-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/224-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/452-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/452-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/452-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/452-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/452-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4160-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4160-24-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4160-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB