Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/06/2024, 08:50
General
- Target f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exe
- Size 2.7MB
- Sample240625-krpreashkm
- SHA256 f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851
Malware Config
Signatures
- Detect PurpleFox Rootkit 8 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
- Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
- Sets service image path in registry 2 TTPs 1 IoCs
- Executes dropped EXE 6 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 6 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 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exe"C:\Users\Admin\AppData\Local\Temp\f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
-
-
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
-
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
-
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\HD_f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exeC:\Users\Admin\AppData\Local\Temp\HD_f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exe2⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240641875.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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
-
-
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 --field-trial-handle=1036,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
HD_X.dat
HD_f217f370c509ff8268ffefb73d1178eb27fbfbecd7471599b6c6aeca6ad73851.exe
N.exe
R.exe
240641875.txt
Remote Data.exe
memory/324-35-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/324-46-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/324-40-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3036-19-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3036-23-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3036-20-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3036-18-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3712-26-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3712-29-0x0000000010000000-0x00000000101B6000-memory.dmp
memory/3712-28-0x0000000010000000-0x00000000101B6000-memory.dmp