Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 03:29

General

  • Target

    d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b.exe

  • Size

    1.5MB

  • MD5

    03020a3837bc0aa7ac17971b0120fe22

  • SHA1

    ba38d2e3d45296498949a89978f1d952fb4bc2d6

  • SHA256

    d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b

  • SHA512

    4c7f3670c31e0d6429bc72ef055588c7912e1637148eb45a04bdd67ef8b93144eca2e0476aec2d7d157b44e6a66a11c6b871e23a171ba4adb6cb2be093755d4f

  • SSDEEP

    24576:dQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVN4gV1Dfun2E:dQZAdVyVT9n/Gg0P+WhouLDmn2E

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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 4 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b.exe
    "C:\Users\Admin\AppData\Local\Temp\d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2852
    • 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:2256
      • 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:2548
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:804
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2528
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2544
    • 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:2744

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
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_X.dat
    Filesize

    1.5MB

    MD5

    03020a3837bc0aa7ac17971b0120fe22

    SHA1

    ba38d2e3d45296498949a89978f1d952fb4bc2d6

    SHA256

    d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b

    SHA512

    4c7f3670c31e0d6429bc72ef055588c7912e1637148eb45a04bdd67ef8b93144eca2e0476aec2d7d157b44e6a66a11c6b871e23a171ba4adb6cb2be093755d4f

  • C:\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\259401020.txt
    Filesize

    50KB

    MD5

    74e6405b88343baf3dd10ae782538da5

    SHA1

    24a8507cad2d0753c72bd71d4d98dce65f67554c

    SHA256

    7c17184748135204ec5e2991fefab3363dbfc8abde44eb5897f805ed294447b6

    SHA512

    8342f1557afcb471a6f2e40ecb35792b755ce8b3c65af99eddaa818bbb0db5112395d5756be7d839aff0cda7f401440ab599b833c589271e5dcd1879a72faae3

  • memory/2256-8-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2256-25-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2256-9-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2256-5-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2544-31-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2744-32-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2744-34-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2744-38-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2744-75-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB