Overview

overview

10

Static

static

3

737a77f2dc...47.exe

windows7-x64

10

737a77f2dc...47.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    21s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 05:16

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General

  • Target

    737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe

  • Size

    4.1MB

  • MD5

    8190c0a1b9ea731687aa40a8f7069096

  • SHA1

    5041fcc23bac4e89073ee12177cb3c3f04004829

  • SHA256

    737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747

  • SHA512

    d9e81e8c73f6a7dd5e7d710947bb79421c765bfc2739836f4e8a3569ee6f033881bf8def34be02061f65dd95d58b80760b49ccc26b41a308a0a45df31208491c

  • SSDEEP

    49152:fCwsbCANnKXferL7Vwe/Gg0P+Whjy1hXJEIptTc6IfAyL4UMYMZ2RtB:Kws2ANnKXOaeOgmhIX6IA9oycUMYM

Score
10/10
gh0stratpurplefoxpersistenceratrootkittrojanupx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

    rootkit
  • Gh0st RAT payload 11 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    rootkittrojanpurplefox
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 12 IoCs

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

    upx
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe
    "C:\Users\Admin\AppData\Local\Temp\737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 464
        3⤵
        • Program crash
        PID:2748
    • 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:2660
      • 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:740
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2212
    • C:\Users\Admin\AppData\Local\Temp\HD_737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe
      C:\Users\Admin\AppData\Local\Temp\HD_737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe
      2⤵
      • Executes dropped EXE
      PID:3172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
    1⤵
      PID:1436
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1516
      • 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:4248

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    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

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_737a77f2dcf031fa49b9985c58f7acb16663c19baf4c75f6ac998e49e9316747.exe
      Filesize

      1.3MB

      MD5

      1699af833adaf5e8cd81638418d1adba

      SHA1

      2618ce0d6d461c60ca4c71afdeaad7a4f64a3b5e

      SHA256

      b3e17c2cc44565d7db9b33edfa847caf8218da44afa8dbb74bcf848bf127c2bc

      SHA512

      5f2fe8677cbacf0a1c13c8f3d16a47af12f5b56bac6cc0823c2cf9fd24791b7104a98bf845ff4dcde6f82f02e53c225c46d443839e5552339df628c5a047aee0

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

      2.8MB

      MD5

      af3d4af0368b57484ecfd657b27d27f0

      SHA1

      c0711ee723b0d11a39f1faa8ad574de8ac763623

      SHA256

      26496bc50b0a030effdb6865d71e371c88564bc93599b3552f178fd9fe031e0a

      SHA512

      1dfd8adde5cbde08a32fac39cc05fddd81fe02b4d5276aa4f8185278ea83633ae79dc316392f7f33ee7f633fe6cbdc8e4ab2636695ec87132cef537761d866d8

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

      Download Submit
    • C:\Windows\SysWOW64\240613375.txt
      Filesize

      899KB

      MD5

      e0490eb8b7a0f934636c33f748d1b4fd

      SHA1

      1d220b1883c726612f78c61e73894232e6d0f71f

      SHA256

      9f5fcb30afcaf3dd74c717a1f9c3f0f55552a35e11494b3076dd4b479c47ee54

      SHA512

      42e60fb7a6aafd875205705c811ff28fbade09c66344b255517334b7a7a95673415bf17dd4d84ef7b336faa19d82216c7f9de1443c83ba5be36864af5117f608

      Download Submit
    • memory/1516-30-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/1516-25-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/1516-23-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/1516-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/1516-24-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/2660-12-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/2660-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/2660-14-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/2660-15-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/4248-42-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/4248-49-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download
    • memory/4248-53-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

      Download