Analysis
- max time kernel
152s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
26/05/2024, 10:15
General
- Target 7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.exe
- Size 2.3MB
- Sample240526-maek8afe38
- SHA256 7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338
Malware Config
Signatures
- Detect PurpleFox Rootkit 12 IoCs
Detect PurpleFox Rootkit.
- Gh0st RAT payload 12 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 14 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 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.exe"C:\Users\Admin\AppData\Local\Temp\7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.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_7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.exeC:\Users\Admin\AppData\Local\Temp\HD_7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.exe2⤵
- Executes dropped EXE
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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=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
HD_7617256fd1902c5cc524ce3d4683b4b86ef5b68eb548cad61efd85a1ddf8b338.exe
HD_X.dat
RCXC91C.tmp
RVN.exe
X.ico
memory/2388-4-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2388-6-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2388-8-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2388-7-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/2388-34-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4008-32-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4008-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4008-28-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4008-36-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4476-17-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4476-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4476-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4476-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/4476-14-0x0000000010000000-0x00000000101B6000-memory.dmp