xworm | 324a08c32241c38030bd495b74411382b6694dcf74cf66caff1d15b6b2370c08

General

Target

WindowsHealthProtect.exe
Size

157KB
MD5

867bd1a3adb00960ae067e0a78eb8169
SHA1

7ab2c2bbdd6dc7c8ae9fbbaad09a323e28865371
SHA256

324a08c32241c38030bd495b74411382b6694dcf74cf66caff1d15b6b2370c08
SHA512

5937cd0f869da3f00095319ca53f15bc924f512895676b33f9085a0ef21b5f7e5d33acafc7e47b4039f543980f73dc5a92bee19556b14588e524b9137e4c3c19
SSDEEP

3072:MCaHVqFw9CwOCVJ4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvV:Hw9/gVqwlL

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:6004

is-eminem.gl.at.ply.gg:6004

88.168.211.65:6004

Mutex

bUdXY3BrQxasTJsJ

Attributes

Install_directory
%ProgramData%
install_file
WindowsHealthProtect.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/904-1-0x00000000001A0000-0x00000000001CE000-memory.dmp	family_xworm
behavioral1/files/0x000f00000001227f-34.dat	family_xworm
behavioral1/memory/1540-36-0x00000000008E0000-0x000000000090E000-memory.dmp	family_xworm
behavioral1/memory/2376-40-0x0000000000020000-0x000000000004E000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2348	powershell.exe
2756	powershell.exe
2872	powershell.exe
2780	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsHealthProtect.lnk	WindowsHealthProtect.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsHealthProtect.lnk	WindowsHealthProtect.exe

Executes dropped EXE 2 IoCs

pid	Process
1540	WindowsHealthProtect.exe
2376	WindowsHealthProtect.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsHealthProtect = "C:\\ProgramData\\WindowsHealthProtect.exe"	WindowsHealthProtect.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2348	powershell.exe
2756	powershell.exe
2872	powershell.exe
2780	powershell.exe
904	WindowsHealthProtect.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	WindowsHealthProtect.exe
Token: SeDebugPrivilege	2348	powershell.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeDebugPrivilege	2780	powershell.exe
Token: SeDebugPrivilege	904	WindowsHealthProtect.exe
Token: SeDebugPrivilege	1540	WindowsHealthProtect.exe
Token: SeDebugPrivilege	2376	WindowsHealthProtect.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
904	WindowsHealthProtect.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2348	904	WindowsHealthProtect.exe	30
PID 904 wrote to memory of 2348	904	WindowsHealthProtect.exe	30
PID 904 wrote to memory of 2348	904	WindowsHealthProtect.exe	30
PID 904 wrote to memory of 2756	904	WindowsHealthProtect.exe	32
PID 904 wrote to memory of 2756	904	WindowsHealthProtect.exe	32
PID 904 wrote to memory of 2756	904	WindowsHealthProtect.exe	32
PID 904 wrote to memory of 2872	904	WindowsHealthProtect.exe	34
PID 904 wrote to memory of 2872	904	WindowsHealthProtect.exe	34
PID 904 wrote to memory of 2872	904	WindowsHealthProtect.exe	34
PID 904 wrote to memory of 2780	904	WindowsHealthProtect.exe	36
PID 904 wrote to memory of 2780	904	WindowsHealthProtect.exe	36
PID 904 wrote to memory of 2780	904	WindowsHealthProtect.exe	36
PID 904 wrote to memory of 2112	904	WindowsHealthProtect.exe	38
PID 904 wrote to memory of 2112	904	WindowsHealthProtect.exe	38
PID 904 wrote to memory of 2112	904	WindowsHealthProtect.exe	38
PID 2396 wrote to memory of 1540	2396	taskeng.exe	43
PID 2396 wrote to memory of 1540	2396	taskeng.exe	43
PID 2396 wrote to memory of 1540	2396	taskeng.exe	43
PID 904 wrote to memory of 2892	904	WindowsHealthProtect.exe	44
PID 904 wrote to memory of 2892	904	WindowsHealthProtect.exe	44
PID 904 wrote to memory of 2892	904	WindowsHealthProtect.exe	44
PID 2396 wrote to memory of 2376	2396	taskeng.exe	46
PID 2396 wrote to memory of 2376	2396	taskeng.exe	46
PID 2396 wrote to memory of 2376	2396	taskeng.exe	46

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\WindowsHealthProtect.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsHealthProtect.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\WindowsHealthProtect.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsHealthProtect.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsHealthProtect.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsHealthProtect.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2780
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WindowsHealthProtect" /tr "C:\ProgramData\WindowsHealthProtect.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2112
- C:\Windows\system32\CMD.EXE
  "CMD.EXE"
  2⤵
  PID:2892

C:\Windows\system32\taskeng.exe
taskeng.exe {672DB3B9-F90F-4E5C-8CE2-BE671854D492} S-1-5-21-940600906-3464502421-4240639183-1000:MGWWAYYN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2396
- C:\ProgramData\WindowsHealthProtect.exe
  C:\ProgramData\WindowsHealthProtect.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1540
- C:\ProgramData\WindowsHealthProtect.exe
  C:\ProgramData\WindowsHealthProtect.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\WindowsHealthProtect.exe

Filesize
157KB

MD5
867bd1a3adb00960ae067e0a78eb8169

SHA1
7ab2c2bbdd6dc7c8ae9fbbaad09a323e28865371

SHA256
324a08c32241c38030bd495b74411382b6694dcf74cf66caff1d15b6b2370c08

SHA512
5937cd0f869da3f00095319ca53f15bc924f512895676b33f9085a0ef21b5f7e5d33acafc7e47b4039f543980f73dc5a92bee19556b14588e524b9137e4c3c19

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
9700600368351a70f775d06ec52f25df

SHA1
4ff9c13b1dc7fd67e3f4d24ed389999397c08a70

SHA256
4d5ed5801ea2cd54ca8bc181d124dc46e885c9b35148222a05859d53d2daf1c4

SHA512
6c83f12046130e60ac769e2ff4595769d7802e86719491774646d6f564b7bbd44de327258b1c23137c7165d41df898b27be5284b5fbbef3a750f71fc8bc4dc87

Download Submit
memory/904-31-0x0000000002150000-0x000000000215C000-memory.dmp

Filesize
48KB

Download
memory/904-1-0x00000000001A0000-0x00000000001CE000-memory.dmp

Filesize
184KB

Download
memory/904-37-0x000000001A6F0000-0x000000001A6FA000-memory.dmp

Filesize
40KB

Download
memory/904-0-0x000007FEF5793000-0x000007FEF5794000-memory.dmp

Filesize
4KB

Download
memory/904-32-0x000007FEF5793000-0x000007FEF5794000-memory.dmp

Filesize
4KB

Download
memory/904-30-0x000000001B250000-0x000000001B2D0000-memory.dmp

Filesize
512KB

Download
memory/1540-36-0x00000000008E0000-0x000000000090E000-memory.dmp

Filesize
184KB

Download
memory/2348-7-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/2348-8-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/2348-6-0x00000000028B0000-0x0000000002930000-memory.dmp

Filesize
512KB

Download
memory/2376-40-0x0000000000020000-0x000000000004E000-memory.dmp

Filesize
184KB

Download
memory/2756-15-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2756-14-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads