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/2452-1-0x0000000001210000-0x0000000001228000-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
2496	powershell.exe
3064	powershell.exe
2916	powershell.exe
596	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-1-5-21-1488793075-819845221-1497111674-1000\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
2496	powershell.exe
3064	powershell.exe
2916	powershell.exe
596	powershell.exe
2452	Xeno.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	Xeno.exe
Token: SeDebugPrivilege	2496	powershell.exe
Token: SeDebugPrivilege	3064	powershell.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	596	powershell.exe
Token: SeDebugPrivilege	2452	Xeno.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2452	Xeno.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2496	2452	Xeno.exe	31
PID 2452 wrote to memory of 2496	2452	Xeno.exe	31
PID 2452 wrote to memory of 2496	2452	Xeno.exe	31
PID 2452 wrote to memory of 3064	2452	Xeno.exe	33
PID 2452 wrote to memory of 3064	2452	Xeno.exe	33
PID 2452 wrote to memory of 3064	2452	Xeno.exe	33
PID 2452 wrote to memory of 2916	2452	Xeno.exe	35
PID 2452 wrote to memory of 2916	2452	Xeno.exe	35
PID 2452 wrote to memory of 2916	2452	Xeno.exe	35
PID 2452 wrote to memory of 596	2452	Xeno.exe	37
PID 2452 wrote to memory of 596	2452	Xeno.exe	37
PID 2452 wrote to memory of 596	2452	Xeno.exe	37

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:2452
- 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:2496
- 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:3064
- 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:2916
- 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:596

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
ba61dc4c5a8d395690a2c1965cf6ad13

SHA1
107432c53357c3e9e254cefd2bfcd37c03ebedf2

SHA256
9a508a9313f0442ffdaa0874a455449a57d16aae94e53c23edbf60910e39aeb2

SHA512
99f863473d2c3bd5975d8020f166e86d7f499a948160d7f756b27c98822ed311c82c4a269674772f7802bf94a00c2f7a3ea5feb810bbdfe4776a57cb2f3ef7a1

Download Submit
memory/2452-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2452-1-0x0000000001210000-0x0000000001228000-memory.dmp

Filesize
96KB

Download
memory/2452-32-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download
memory/2452-33-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2452-34-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download
memory/2496-6-0x0000000002DA0000-0x0000000002E20000-memory.dmp

Filesize
512KB

Download
memory/2496-7-0x000000001B700000-0x000000001B9E2000-memory.dmp

Filesize
2.9MB

Download
memory/2496-8-0x0000000002770000-0x0000000002778000-memory.dmp

Filesize
32KB

Download
memory/3064-14-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download
memory/3064-15-0x0000000002A60000-0x0000000002A68000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads