Analysis
- max time kernel
150s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/06/2024, 08:53
General
- Target b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe
- Size 15.8MB
- Sample240625-kth2mstall
- SHA256 b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60
Malware Config
Signatures
- Detect PurpleFox Rootkit 10 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 6 IoCs
- Loads dropped DLL 43 IoCs
- UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 3 IoCs
- Drops file in Program Files directory 1 IoCs
- Detects Pyinstaller 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe"C:\Users\Admin\AppData\Local\Temp\b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3244 -s 4483⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\N.exeC:\Users\Admin\AppData\Local\Temp\\N.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\HD_b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exeC:\Users\Admin\AppData\Local\Temp\HD_b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HD_b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exeC:\Users\Admin\AppData\Local\Temp\HD_b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3244 -ip 32441⤵
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x49c 0x46c1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
HD_X.dat
HD_b2eae29c4131bb5c4b9e8aa53d523c8aa8f7f8c154437e5c8438373aeb269e60.exe
R.exe
SDL2_image.dll
SDL2_mixer.dll
SDL2_ttf.dll
VCRUNTIME140.dll
_bz2.pyd
_ctypes.pyd
_hashlib.pyd
_lzma.pyd
_queue.pyd
_socket.pyd
_ssl.pyd
base_library.zip
freetype.dll
libcrypto-1_1.dll
libffi-7.dll
libjpeg-62.dll
libogg-0.dll
libopus-0.dll
libopusfile-0.dll
libpng16-16.dll
libssl-1_1.dll
libtiff-5.dll
libwavpack-1.dll
libwebp-7.dll
libwebpdemux-2.dll
libxmp.dll
portmidi.dll
pyexpat.pyd
SDL2.dll
base.cp38-win_amd64.pyd
constants.cp38-win_amd64.pyd
rect.cp38-win_amd64.pyd
rwobject.cp38-win_amd64.pyd
surflock.cp38-win_amd64.pyd
python38.dll
select.pyd
unicodedata.pyd
240599656.txt
TXPlatfor.exe
memory/452-184-0x00007FFF98C50000-0x00007FFF98E0D000-memory.dmp
memory/452-183-0x00007FFFA7050000-0x00007FFFA72BC000-memory.dmp
memory/2972-37-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2972-32-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2972-39-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3020-25-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3020-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3020-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3020-21-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4188-14-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4188-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4188-12-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4188-18-0x0000000010000000-0x00000000101B6000-memory.dmp