Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 03:33

General

  • Target

    156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe

  • Size

    2.7MB

  • MD5

    086396b5ec15c99e865357241c3dd444

  • SHA1

    7ed5dc030dccdd127f261827a242a99aba1f716d

  • SHA256

    156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad

  • SHA512

    71754dc05456abe8c375d23f7ef83ac6687fb98a82dc28176425f81a901521684504e89af099e2b7cc2c590fffa1e872df1115d94516ac863ae461c1ee59c7bb

  • SSDEEP

    49152:dQZAdVyVT9n/Gg0P+WhouLDmn29mDvkRAuFkuoJZEtMFniQX4O8b8ITDnlQV:GGdVyVT9nOgmhhLDmn294kRAuFkkmn

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 9 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
    "C:\Users\Admin\AppData\Local\Temp\156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2928
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1364
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1360
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1716
    • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
      C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2652
      • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
        "C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe" --channel=2652.1.1771719679 --type=renderer
        3⤵
        • Executes dropped EXE
        PID:2280
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2956
    • 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:2792
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2696
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2508
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259445574.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1528

    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

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
      Filesize

      1.3MB

      MD5

      ca0c67ba7aeba6aed5ddb852e6eea811

      SHA1

      8b8db3434cac650ba795ff9aa8f89a24e4b83410

      SHA256

      1c52b50019786ce77c3338f470a9193f90f71080196198357744cb065b7c6851

      SHA512

      014fc45aa3141e160d5e78b963f065b196c7243ef0e630954de255b787d788f43f443b7a9a69c3b8b6f9e93e3f6ef25fe8ccfc7101fb196358b3459d4d6ec016

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

      1.5MB

      MD5

      03020a3837bc0aa7ac17971b0120fe22

      SHA1

      ba38d2e3d45296498949a89978f1d952fb4bc2d6

      SHA256

      d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b

      SHA512

      4c7f3670c31e0d6429bc72ef055588c7912e1637148eb45a04bdd67ef8b93144eca2e0476aec2d7d157b44e6a66a11c6b871e23a171ba4adb6cb2be093755d4f

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

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259445574.txt
      Filesize

      50KB

      MD5

      d10a77cb218cb255cdc947c2fa310eea

      SHA1

      c2faa3efc10a39d781fda57b43a79a180e47d5b7

      SHA256

      3b049a07ce382c514f1be499ed33cffc64d4bcb8d290b418fde4b3b78895999a

      SHA512

      3241f01a1b75e8cc8ec0f262d541e33e134dd01618babf88ade848e9683b825f266aa7338b981a34e7ccfce704a04db2bedd424683cfdd9397f2fc59cc3913a5

    • \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2280-88-0x00000000002A0000-0x00000000002A2000-memory.dmp
      Filesize

      8KB

    • memory/2792-32-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2792-39-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2928-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2928-27-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2928-9-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2928-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2928-6-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2956-33-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2956-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB