Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
17/06/2024, 01:05
General
- Target 311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa.exe
- Size 375KB
- Sample240617-bfnkja1drm
- SHA256 311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa
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.
- UPX dump on OEP (original entry point) 15 IoCs
- Drops file in Drivers directory 1 IoCs
- Sets service image path in registry 2 TTPs 1 IoCs
- Executes dropped EXE 2 IoCs
- UPX packed file 15 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in System32 directory 2 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa.exe"C:\Users\Admin\AppData\Local\Temp\311198eeb76c5cb081151452a73159c194300121515e3fd875429152ae7761aa.exe"1⤵
- 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\311198~1.EXE > nul2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
-
-
-
C:\Windows\SysWOW64\Dumdu.exeC:\Windows\SysWOW64\Dumdu.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\Dumdu.exeC:\Windows\SysWOW64\Dumdu.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=4192,i,14221647728265121051,6840906015709541562,262144 --variations-seed-version --mojo-platform-channel-handle=3728 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Dumdu.exe
memory/1944-0-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1944-2-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1944-3-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/1944-6-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-16-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-18-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-19-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-20-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-21-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/2688-24-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3412-12-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3412-11-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3412-9-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3412-15-0x0000000010000000-0x00000000101A5000-memory.dmp
memory/3412-13-0x0000000010000000-0x00000000101A5000-memory.dmp