Analysis
- max time kernel
94s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
12/09/2024, 08:59
General
- Target 名单助手I.exe
- Size 6.1MB
- Sample240912-kxpnlazflh
- SHA256 fc1f2107672a4af330678c2dd2ca7a2701e8d79123c339292a72f0d31ce296a0
Malware Config
Signatures
- FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
- Gh0st RAT payload 3 IoCs
- Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Fatal Rat payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Drops file in System32 directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\名单助手I.exe"C:\Users\Admin\AppData\Local\Temp\名单助手I.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\ProgramData\VFYEYH\P8O8R8I.exeC:\ProgramData\VFYEYH\P8O8R8I.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c del /q C:\ProgramData\VFYEYH\P8O8R8I.exe2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
MSVCP100.dll
P8O8R8I.exe
longlq.cl
mfc100.dll
msvcr100.dll
UAUA.exe
website_secure_lnk.lnk
EYEXHX
memory/316-48-0x0000000003060000-0x0000000003649000-memory.dmp
memory/316-0-0x0000000003060000-0x0000000003649000-memory.dmp
memory/316-1-0x0000000180000000-0x00000001802CC000-memory.dmp
memory/316-6-0x00000000042B0000-0x0000000004571000-memory.dmp
memory/316-89-0x0000000003060000-0x0000000003649000-memory.dmp
memory/3192-82-0x00000000025F0000-0x0000000002622000-memory.dmp
memory/3192-77-0x0000000010000000-0x000000001002A000-memory.dmp
memory/3192-74-0x00000000025F0000-0x0000000002622000-memory.dmp
memory/3192-83-0x0000000002640000-0x000000000267B000-memory.dmp
memory/3192-75-0x0000000002640000-0x000000000267B000-memory.dmp
memory/3192-90-0x0000000003CB0000-0x0000000003DFD000-memory.dmp
memory/3192-93-0x0000000003CB0000-0x0000000003DFD000-memory.dmp
memory/3192-95-0x0000000003CB0000-0x0000000003DFD000-memory.dmp
memory/3192-96-0x0000000003CB0000-0x0000000003DFD000-memory.dmp
memory/3192-97-0x0000000002640000-0x000000000267B000-memory.dmp