Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2024 02:59

General

  • Target

    c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe

  • Size

    1.3MB

  • MD5

    026399c5f0583cd68335143d7c06ac23

  • SHA1

    8226c811633b4829edce5ba304f116c73d6d4f01

  • SHA256

    c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5

  • SHA512

    ad053d4abf1dddeedc1581e5e8006a92d9eed32a4e1473ed0cb12ff61bab3e6f373797c46fa392617e6aca8ecf1a1990b93265e87776a19a01138607e85fc89b

  • SSDEEP

    24576:G09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Xe3lkrhNaf9:G09XJt4HIN2H2tFvduySZe3lkVQf9

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 2 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: EnumeratesProcesses 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\c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe
    "C:\Users\Admin\AppData\Local\Temp\c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1484
    • 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:2076
      • 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:2616
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2732
    • C:\Users\Admin\AppData\Local\Temp\HD_c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe
      2⤵
      • Executes dropped EXE
      PID:2736
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2988
    • 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:2676

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

    1.1MB

    MD5

    42522f5f48c7e00e54b6e78b5a5b6811

    SHA1

    41c03cf41ead3323278bcfb65b1b72384ebe64b9

    SHA256

    b38d1bac331695f07a3d39c07e6f776ffaf108287939e977a11629087cfe87e9

    SHA512

    5dee1c68af42c9b584bf514ce987a8ee70accb7beb9b337814296956546b409657af6d41b3f1e528a57511bb089e11258983b9d726f762b1a3236c259a47dcfc

  • C:\Users\Admin\AppData\Local\Temp\HD_c6e00685b4b482aae079b37e105eba5b14072782f50f5a23c67e6259c45a3aa5.exe
    Filesize

    224KB

    MD5

    1506b0e81c53d7417d4eaed36e690a22

    SHA1

    801a10528addcd12452d30f238aeaa299465ae87

    SHA256

    8a66a31667ecadce03d88563c8a604383a798a9e73e221e80cd570fb5d68d9a2

    SHA512

    42817ab680dfd910dfcbfbd27dd36bbbfc211e559dec8261b415920e688c5d95456fd9c87c3b72cd703ee5a591d4d876ce0e38e73ba234fa0dfe264453a87401

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

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/2076-5-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2076-9-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2076-8-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2076-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2676-37-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2676-32-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2676-34-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2676-43-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2736-39-0x000000006F640000-0x000000006F650000-memory.dmp
    Filesize

    64KB

  • memory/2988-25-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/2988-18-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB