Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 05:10

General

  • Target

    9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

  • Size

    1.6MB

  • MD5

    5aabfeefdf23733590038358aa785673

  • SHA1

    89dcbd01639466ea622067bdcd904fe990909928

  • SHA256

    9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd

  • SHA512

    c450ec2ee3d2eaea1f8e6936dee78c7aba44eb2ced71e1187d5365644805a1a2135403866125b2290ddf370280b804d56eb656271e5bcf19353c1fe61b984987

  • SSDEEP

    24576:M09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy++4s0M8u8:M09XJt4HIN2H2tFvduySo4r68

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
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
    "C:\Users\Admin\AppData\Local\Temp\9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3612
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3660
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3756
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2448
    • C:\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe
      2⤵
      • Executes dropped EXE
      PID:976
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1204
    • 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:1536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HD_9a1117c16236173877e269875fc86bde09731cad0b0513ba99da60a4e96fe3dd.exe

    Filesize

    128KB

    MD5

    9acb56cf4ad684e812d94d0ddc912857

    SHA1

    7b1caf8024458d5f6c120c3edf1369bf24fbfb36

    SHA256

    887aa44725a69296225d1feeff14a169f10e61fd5ad318a86dc6582a5d55edfb

    SHA512

    915bff42241851f9acc4c1c37630eefa0a1d65381a9d966913d535159444a60330d97cefc5d82251a9eb3ff2e842dcf201194d612fbeaad28c3c04f96dbbfcf0

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

    Filesize

    1.5MB

    MD5

    e6639196a1a65066a3eb9e66d0875b0b

    SHA1

    d18832595289e4a54b587d186eb2f3eaa48cf30a

    SHA256

    feb3240112951d9b7d72a1ed31196a00354020027e8bf7fba92c4f76acf4314e

    SHA512

    aead470f1c6a9d879cf22ccd7cda21a8b69f9a6a68d6f179a72aa0e2ee52166fe34c0cddf6c55f9234ec1437f793eba74448543d57df9da2b4044e85635fae8f

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/1204-65-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-13-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-16-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-17-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-15-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1536-74-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1536-72-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/1536-77-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3660-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3660-10-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3660-6-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3660-4-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB