Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 03:47
General
- Target SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe
- Size 1.0MB
- Sample260418-eb878aav2n
- SHA256 71298dc679ea1a7f863c3c645f008e5ffcf892510bafc1c1fd201fcbf5f41952
Malware Config
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 1 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe"C:\Users\Admin\AppData\Local\Temp\SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe"C:\Users\Admin\AppData\Local\Temp\SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe"2⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\VersionUpdate.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
SMT_20260417_Price Request DX FLO-VN.pdf(94KB).exe.log
VersionUpdate.exe
memory/1772-46-0x0000000001010000-0x000000000108B000-memory.dmp
memory/1772-36-0x0000000001010000-0x000000000108B000-memory.dmp
memory/1772-28-0x0000000002CA0000-0x0000000002CA1000-memory.dmp
memory/1772-29-0x0000000005430000-0x0000000005787000-memory.dmp
memory/1772-27-0x0000000005380000-0x0000000005390000-memory.dmp
memory/2348-31-0x00000000054B0000-0x000000000559A000-memory.dmp
memory/2348-34-0x00000000053E0000-0x00000000053EB000-memory.dmp
memory/2348-32-0x00000000055A0000-0x0000000005626000-memory.dmp
memory/2348-33-0x0000000005320000-0x0000000005340000-memory.dmp
memory/2348-35-0x0000000005350000-0x0000000005360000-memory.dmp
memory/2348-30-0x00000000012C0000-0x000000000133B000-memory.dmp
memory/2348-24-0x0000000005350000-0x0000000005360000-memory.dmp
memory/2348-15-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2348-18-0x0000000005370000-0x00000000053D6000-memory.dmp
memory/3352-0-0x0000000000750000-0x000000000085C000-memory.dmp
memory/3352-11-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/3352-14-0x00000000093A0000-0x0000000009468000-memory.dmp
memory/3352-6-0x00000000054D0000-0x00000000054F2000-memory.dmp
memory/3352-5-0x00000000055B0000-0x0000000005907000-memory.dmp
memory/3352-4-0x0000000005400000-0x0000000005492000-memory.dmp
memory/3352-19-0x0000000001330000-0x00000000013AB000-memory.dmp
memory/3352-3-0x0000000005B60000-0x0000000006106000-memory.dmp
memory/3352-7-0x0000000005550000-0x000000000555A000-memory.dmp
memory/3352-12-0x0000000001330000-0x00000000013AB000-memory.dmp
memory/3352-8-0x0000000006110000-0x00000000061AC000-memory.dmp
memory/3352-10-0x0000000008ED0000-0x0000000008EE2000-memory.dmp
memory/3352-9-0x0000000008AB0000-0x0000000008B8A000-memory.dmp
memory/3352-2-0x00000000052B0000-0x00000000052B1000-memory.dmp
memory/3352-1-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/4748-47-0x0000000001680000-0x00000000016FB000-memory.dmp