Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 09:08
General
- Target BlandRootkit.exe
- Size 644KB
- Sample260809-k3z2hscl8t
- SHA256 231f3270204cd6c704df54ba2e5c12abff37bdaf6a59d90bf275086f787dea9c
Malware Config
Extracted
-
xworm
-
5.0
-
dfsffs-55102.portmap.host:55102
-
nr0xdSUhB5xDRwrb
-
install_file
USB.exe
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Detects DonutLoader 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Creates new service(s) 2 TTPs
- Executes dropped EXE 2 IoCs
- Stops running service(s) 4 TTPs
- Drops file in System32 directory 2 IoCs
- Launches sc.exe 6 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Disables Windows logging functionality 2 TTPs
Changes registry settings to disable Windows Event logging.
- Modifies data under HKEY_USERS 2 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BlandRootkit.exe"C:\Users\Admin\AppData\Local\Temp\BlandRootkit.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\BlandRootkit.exe"C:\Windows\System32\BlandRootkit.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\sc.exe"sc.exe" stop BlandRootkit3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\sc.exe"sc.exe" delete BlandRootkit3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\sc.exe"sc.exe" create BlandRootkit binPath= "C:\Windows\System32\BlandRootkit.exe /service" type= own start= auto3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
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C:\Windows\SysWOW64\sc.exe"sc.exe" description BlandRootkit "Windows Security Update Service"3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\sc.exe"sc.exe" failure BlandRootkit reset= 3600 actions= restart/100003⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\sc.exe"sc.exe" start BlandRootkit3⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
-
-
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C:\Windows\SysWOW64\BlandRootkit.exeC:\Windows\SysWOW64\BlandRootkit.exe /service1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
BlandRootkit.exe.log
BlandRootkit.exe
memory/3364-18-0x0000000003B40000-0x0000000003B62000-memory.dmp
memory/3364-19-0x0000000003B20000-0x0000000003B30000-memory.dmp
memory/3364-20-0x0000000004340000-0x000000000434E000-memory.dmp
memory/3364-21-0x0000000004400000-0x000000000449C000-memory.dmp
memory/3364-22-0x0000000004B80000-0x0000000004BE6000-memory.dmp
memory/3848-0-0x0000000000240000-0x00000000002E8000-memory.dmp
memory/3848-1-0x0000000004BF0000-0x0000000004C00000-memory.dmp
memory/4292-16-0x0000000005480000-0x0000000005490000-memory.dmp