Analysis
- max time kernel
149s - max time network
140s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
- submitted
08/04/2024, 04:10
General
- Target 0803c1aec008e75859877844cfa81492.exe
- Size 267KB
- Sample240408-erc5qagd2w
- SHA256 d5ab98bd209db0ed18272fe616ea4b8be34fd13d36116d25793fa7aa6f8b33e3
Malware Config
Extracted
-
xworm
-
94.156.8.213:58002
-
install_file
USB.exe
Signatures
- Detect Xworm Payload 1 IoCs
- Xworm
Xworm is a remote access trojan written in C#.
- Executes dropped EXE 1 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 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.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\0803c1aec008e75859877844cfa81492.exe"C:\Users\Admin\AppData\Local\Temp\0803c1aec008e75859877844cfa81492.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\svchost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\taskeng.exetaskeng.exe {ABB533C3-6C82-4893-BB39-DE02483C0A8C} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\svchost.exeC:\Windows\svchost.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
E4P5Y8RQWBOL2H9BDLFO.temp
svchost.exe
memory/1264-41-0x000000001AAE0000-0x000000001AB60000-memory.dmp
memory/1264-40-0x000007FEF4E00000-0x000007FEF57EC000-memory.dmp
memory/1264-39-0x00000000002F0000-0x0000000000308000-memory.dmp
memory/1264-37-0x000007FEF4E00000-0x000007FEF57EC000-memory.dmp
memory/1264-38-0x000000001AAE0000-0x000000001AB60000-memory.dmp
memory/1264-36-0x0000000001050000-0x000000000109A000-memory.dmp
memory/2092-1-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
memory/2092-32-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
memory/2092-31-0x000000001ABF0000-0x000000001AC70000-memory.dmp
memory/2092-0-0x00000000008D0000-0x000000000091A000-memory.dmp
memory/2292-22-0x000007FEEC950000-0x000007FEED2ED000-memory.dmp
memory/2292-21-0x0000000002890000-0x0000000002898000-memory.dmp
memory/2292-20-0x000000001B3F0000-0x000000001B6D2000-memory.dmp
memory/2292-23-0x0000000002CA0000-0x0000000002D20000-memory.dmp
memory/2292-24-0x000007FEEC950000-0x000007FEED2ED000-memory.dmp
memory/2292-27-0x0000000002CA0000-0x0000000002D20000-memory.dmp
memory/2292-26-0x0000000002CA0000-0x0000000002D20000-memory.dmp
memory/2292-25-0x0000000002CA0000-0x0000000002D20000-memory.dmp
memory/2292-28-0x000007FEEC950000-0x000007FEED2ED000-memory.dmp
memory/2784-14-0x000007FEED2F0000-0x000007FEEDC8D000-memory.dmp
memory/2784-13-0x0000000002C10000-0x0000000002C90000-memory.dmp
memory/2784-12-0x0000000002C10000-0x0000000002C90000-memory.dmp
memory/2784-11-0x000007FEED2F0000-0x000007FEEDC8D000-memory.dmp
memory/2784-7-0x00000000026D0000-0x00000000026D8000-memory.dmp
memory/2784-9-0x0000000002C10000-0x0000000002C90000-memory.dmp
memory/2784-10-0x0000000002C10000-0x0000000002C90000-memory.dmp
memory/2784-8-0x000007FEED2F0000-0x000007FEEDC8D000-memory.dmp
memory/2784-6-0x000000001B6A0000-0x000000001B982000-memory.dmp