Analysis
- max time kernel
152s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/06/2024, 17:02
General
- Target d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.exe
- Size 7.7MB
- Sample240625-vkhdvsvdln
- SHA256 d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5
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.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- 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 6 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.exe"C:\Users\Admin\AppData\Local\Temp\d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.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\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.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\RVN.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_d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.exeC:\Users\Admin\AppData\Local\Temp\HD_d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.exe2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://dl.ludashi.com/ludashi/ludashisetup.exe3⤵
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3908 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4312 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4984 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5372 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5520 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
ComputerZ.set
HD_X.dat
HD_d593a9142de589bc8d4990ba88dbc3491976584290f871afdf95c4b8ed9bd2b5.exe
RCX9F5D.tmp
RVN.exe
X.ico
memory/1980-36-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1980-28-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/1980-27-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2000-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2000-8-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2000-6-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2000-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2000-4-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3968-16-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3968-24-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3968-15-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3968-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3968-13-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/5088-84-0x0000000002FF0000-0x0000000002FF1000-memory.dmp
memory/5088-83-0x0000000002FE0000-0x0000000002FE1000-memory.dmp
memory/5088-82-0x0000000002FD0000-0x0000000002FD1000-memory.dmp
memory/5088-81-0x0000000002FA0000-0x0000000002FA1000-memory.dmp
memory/5088-80-0x00000000014F0000-0x00000000014F1000-memory.dmp
memory/5088-79-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/5088-85-0x0000000000080000-0x0000000000E29000-memory.dmp