xworm | d87423760f97f5010d3589c0e7d5e704a698b4562b5d9de627b6d756a29cefe3

General

Target

Xeno.exe
Size

70KB
MD5

1edee495fc92dcfdbfb89c0202f87b29
SHA1

38d6c9154e066daa75d9a4f2346a1b7b7c84da2b
SHA256

d87423760f97f5010d3589c0e7d5e704a698b4562b5d9de627b6d756a29cefe3
SHA512

11709a00d0b5bb50b172344295c216f51a450d5e936fb15c5834a6a167d1ef75e1d510f94ff2105b87f41b1ff607843d4e365c056693e8b5a1d873bae013d1ac
SSDEEP

1536:mvdK/frfAdNtG6zJllzZ+bPsag6Ha3OqY7l:LEXQM+bPsWa3Oqul

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

20.ip.gl.ply.gg:53128

Attributes

Install_directory
%LocalAppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2076-1-0x0000000000180000-0x0000000000198000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
2720	powershell.exe
3020	powershell.exe
2952	powershell.exe
2840	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	Xeno.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	Xeno.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\svchost.exe"	Xeno.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2720	powershell.exe
3020	powershell.exe
2952	powershell.exe
2840	powershell.exe
2076	Xeno.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	Xeno.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2076	Xeno.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2076	Xeno.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2720	2076	Xeno.exe	30
PID 2076 wrote to memory of 2720	2076	Xeno.exe	30
PID 2076 wrote to memory of 2720	2076	Xeno.exe	30
PID 2076 wrote to memory of 3020	2076	Xeno.exe	32
PID 2076 wrote to memory of 3020	2076	Xeno.exe	32
PID 2076 wrote to memory of 3020	2076	Xeno.exe	32
PID 2076 wrote to memory of 2952	2076	Xeno.exe	34
PID 2076 wrote to memory of 2952	2076	Xeno.exe	34
PID 2076 wrote to memory of 2952	2076	Xeno.exe	34
PID 2076 wrote to memory of 2840	2076	Xeno.exe	36
PID 2076 wrote to memory of 2840	2076	Xeno.exe	36
PID 2076 wrote to memory of 2840	2076	Xeno.exe	36

C:\Users\Admin\AppData\Local\Temp\Xeno.exe
"C:\Users\Admin\AppData\Local\Temp\Xeno.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:2076
- 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\Xeno.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xeno.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3020
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
7KB

MD5
6f15a49919053ce8d4ef3d13bd4243ff

SHA1
1fb15c4eb08d62d1bab1976c0b482b7df1230d80

SHA256
b5db46d60d67d866c47eaf5ba2f7d2131fa1a24ff1fb2e5cf81a5873346b23db

SHA512
fbbf29e6c2b8b6767fef79a89ec483941ce6b1f49c56f8d301445ea1c8ccc2b37e73277b6112701b09929445a0d238b421c98d9230846f9a9f7576422f3cb6e2

Download Submit
memory/2076-0-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x0000000000180000-0x0000000000198000-memory.dmp

Filesize
96KB

Download
memory/2076-27-0x000007FEF5163000-0x000007FEF5164000-memory.dmp

Filesize
4KB

Download
memory/2076-33-0x000000001B030000-0x000000001B0B0000-memory.dmp

Filesize
512KB

Download
memory/2076-34-0x000000001B030000-0x000000001B0B0000-memory.dmp

Filesize
512KB

Download
memory/2720-6-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2720-7-0x000000001B270000-0x000000001B552000-memory.dmp

Filesize
2.9MB

Download
memory/2720-8-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/3020-14-0x000000001B1E0000-0x000000001B4C2000-memory.dmp

Filesize
2.9MB

Download
memory/3020-15-0x0000000002460000-0x0000000002468000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads