Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 05:06

General

  • Target

    bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe

  • Size

    3.0MB

  • MD5

    d6c82ea8e9d9c1e5051d507c21dac279

  • SHA1

    30d04657c6f57d0349cfa74a83bf87ea7de154fe

  • SHA256

    bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a

  • SHA512

    c9ebfac9800c3ce922503214896d6c239fb29636bbaabc0151312bbe4a2ea019bccd44acf4fe5648a4f5e75152014ac38ddb95f445d3cd28fdc5c68b4ba0694f

  • SSDEEP

    49152:C09XJt4HIN2H2tFvduySlgTfBk4tg8qaf2VH5u4RQw6ZVWZX1H7r:jZJt4HINy2LkeTfW4Jf255JQwjX1

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox 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.

  • 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
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
    "C:\Users\Admin\AppData\Local\Temp\bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3472
    • 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:4376
      • 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:4744
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3584
    • C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
      2⤵
      • Executes dropped EXE
      PID:3800
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4768
    • 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:5028

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

    1.3MB

    MD5

    e0ca0541c114267df157edb510868f62

    SHA1

    439cd664b1f43aa8ac1c8e39f004cdb2773fce95

    SHA256

    20d8a396cadfb0b2e7f7b82302cfdb105327766d280bf9dfe24aee2681507891

    SHA512

    9369114913774de9e81ab174fc044cbd7fb1b84c81f3dae28bc6f7cb779c5295b8eb999c6b5adcd55b505f96fcff0b146fb8d0c077678d6ace7182ff56024432

  • C:\Users\Admin\AppData\Local\Temp\HD_bf0e4042634518801d42a2a120f9b82547501b43fae0405e474c422ea5984b1a.exe
    Filesize

    1.7MB

    MD5

    50e99a105b7a70aaa39f972b61f336ac

    SHA1

    6881cd9ca0cc7cdd29a455a45832cbd552a8d12a

    SHA256

    fef9f61050e6ca77375b5391134a4ec3d0fe860d584a27fb7fd55e8b8735ccd3

    SHA512

    806335ac66891435c57f5543028e58b5f6508d64ff192ad6185e6c88e05850e35a717c307fcb86528c866af7b42ff3631032b61edb775e513cc3b491d9c973f5

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

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • memory/3800-35-0x0000000000400000-0x000000000097B000-memory.dmp
    Filesize

    5.5MB

  • memory/4376-6-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4376-10-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4376-7-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4376-4-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4768-15-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4768-14-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4768-20-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4768-29-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/4768-16-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5028-36-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5028-43-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5028-55-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB

  • memory/5028-79-0x0000000010000000-0x00000000101B6000-memory.dmp
    Filesize

    1.7MB