xworm | fd96a23ae800a272e8bdf46dba1c8a3ac285cf1c7f6c6f5ae4b473a00e3cf43d

General

Target

D73UC_2025-01-17-13-06-51.exe
Size

83KB
MD5

45b9c22e416482de6446d6422f37fd17
SHA1

7db3bdee144cb804d73ecb8fcafa4748024f67a2
SHA256

fd96a23ae800a272e8bdf46dba1c8a3ac285cf1c7f6c6f5ae4b473a00e3cf43d
SHA512

731ea90275dbc39ac0ad9c16afa9b61488d5a6ff5a1fbe5af7800a7a38b54b4623c26857b4caec2a5c15c4afee788bc98215ce22ce9764c44e8d90b698e5ae03
SSDEEP

1536:uaPkD+QdQoTFuUer5QhORVx/KzNHUSWUiuCLWm2XiZs8hfNG7xEa1af:uQ89lfo/eJWWCLWm1fNkGakf

Score

10^/10

xworm defense_evasion discovery execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

trip-thesaurus.gl.at.ply.gg:16715

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012245-2.dat	family_xworm
behavioral1/memory/2492-8-0x0000000000D60000-0x0000000000D7A000-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
2584	powershell.exe
2548	powershell.exe
2364	powershell.exe
1984	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk	2025-01-17-13-06-51.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk	2025-01-17-13-06-51.exe

Executes dropped EXE 1 IoCs

pid	Process
2492	2025-01-17-13-06-51.exe

Loads dropped DLL 1 IoCs

pid	Process
2996	D73UC_2025-01-17-13-06-51.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Users\\Admin\\AppData\\Roaming\\SecurityHealthSystray"	2025-01-17-13-06-51.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	D73UC_2025-01-17-13-06-51.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2488	powershell.exe
2584	powershell.exe
2548	powershell.exe
2364	powershell.exe
1984	powershell.exe
2492	2025-01-17-13-06-51.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	powershell.exe
Token: SeDebugPrivilege	2492	2025-01-17-13-06-51.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	2548	powershell.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	2492	2025-01-17-13-06-51.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2492	2025-01-17-13-06-51.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2488	2996	D73UC_2025-01-17-13-06-51.exe	30
PID 2996 wrote to memory of 2488	2996	D73UC_2025-01-17-13-06-51.exe	30
PID 2996 wrote to memory of 2488	2996	D73UC_2025-01-17-13-06-51.exe	30
PID 2996 wrote to memory of 2488	2996	D73UC_2025-01-17-13-06-51.exe	30
PID 2996 wrote to memory of 2492	2996	D73UC_2025-01-17-13-06-51.exe	32
PID 2996 wrote to memory of 2492	2996	D73UC_2025-01-17-13-06-51.exe	32
PID 2996 wrote to memory of 2492	2996	D73UC_2025-01-17-13-06-51.exe	32
PID 2996 wrote to memory of 2492	2996	D73UC_2025-01-17-13-06-51.exe	32
PID 2492 wrote to memory of 2584	2492	2025-01-17-13-06-51.exe	35
PID 2492 wrote to memory of 2584	2492	2025-01-17-13-06-51.exe	35
PID 2492 wrote to memory of 2584	2492	2025-01-17-13-06-51.exe	35
PID 2492 wrote to memory of 2548	2492	2025-01-17-13-06-51.exe	37
PID 2492 wrote to memory of 2548	2492	2025-01-17-13-06-51.exe	37
PID 2492 wrote to memory of 2548	2492	2025-01-17-13-06-51.exe	37
PID 2492 wrote to memory of 2364	2492	2025-01-17-13-06-51.exe	39
PID 2492 wrote to memory of 2364	2492	2025-01-17-13-06-51.exe	39
PID 2492 wrote to memory of 2364	2492	2025-01-17-13-06-51.exe	39
PID 2492 wrote to memory of 1984	2492	2025-01-17-13-06-51.exe	41
PID 2492 wrote to memory of 1984	2492	2025-01-17-13-06-51.exe	41
PID 2492 wrote to memory of 1984	2492	2025-01-17-13-06-51.exe	41

C:\Users\Admin\AppData\Local\Temp\D73UC_2025-01-17-13-06-51.exe
"C:\Users\Admin\AppData\Local\Temp\D73UC_2025-01-17-13-06-51.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHkAdABpACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAG0AdQB4ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHUAagBqACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGgAYQB5ACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2488
- C:\Users\Admin\AppData\Roaming\2025-01-17-13-06-51.exe
  "C:\Users\Admin\AppData\Roaming\2025-01-17-13-06-51.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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\Roaming\2025-01-17-13-06-51.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2584
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2025-01-17-13-06-51.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2548
- - 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\Roaming\SecurityHealthSystray'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2364
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1984

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

Obfuscated Files or Information

1

T1027

Command Obfuscation

1

T1027.010

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\TLA6PCSLRYABPWJL5GD1.temp

Filesize
7KB

MD5
f1d4e571a0c4d5fb7240282ab073085a

SHA1
d146ccfbcdc31d5bb6ab7d606e17e1d017e34e55

SHA256
47dd43c0bec90c42d57f640d6c0743c65b2579b4af2f4a16e2caf1e702215520

SHA512
74b7d39b606f0db7ac51f88f5a86c697ed338f9a07976693df7d71277c431efe68943ff8ae2bd4090fb401b2dd5a36548789ad036f1d8dfae4c2a3e119d5cad0

Download Submit
\Users\Admin\AppData\Roaming\2025-01-17-13-06-51.exe

Filesize
77KB

MD5
e2b82b4f39f2527e850756664e5462a1

SHA1
8de7c878e724e1667cc90f3fad7b109f5ed65927

SHA256
e41f276291b01717c78ffe3d6a288bf95b42da33445c0c8490e0b546fe380935

SHA512
5cb25a33e937febb5f8255e2a80eaa1fccc4b5f6442e831d47839ba896727b85e139af5195c46957187b422c7f010f2349320ef977d4598f4b26f8ca2d573a82

Download Submit
memory/2364-27-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2492-8-0x0000000000D60000-0x0000000000D7A000-memory.dmp

Filesize
104KB

Download
memory/2548-20-0x000000001B4E0000-0x000000001B7C2000-memory.dmp

Filesize
2.9MB

Download
memory/2548-21-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2584-13-0x000000001B4A0000-0x000000001B782000-memory.dmp

Filesize
2.9MB

Download
memory/2584-14-0x00000000028A0000-0x00000000028A8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads