xworm | 327e9385019706a31563b32a12a5cff31ca042078a0ccb8c9e668d1bd12a6497

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09/03/2025, 04:05

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General

Target

VelocitySupportTool.exe
Size

10.1MB
MD5

67462ee5d9b46994eeb4a4c17410a206
SHA1

208514cd39b81476b31edbf2d56f6ef8e9e6870f
SHA256

327e9385019706a31563b32a12a5cff31ca042078a0ccb8c9e668d1bd12a6497
SHA512

ef551052fa54fdc2b7818f3dc6e6163a1301b413762ba69916347e3a4acfd2d9c3e878e732b66c05283f6c922f49a96a00bcd1655d7c2ba2ac363802efa78f94
SSDEEP

196608:SgNsPPpW0RYeIeKkrAW4LQkhf+LYYlrlJQxSQcGKQ999uvqivV9CSxTcf7nL:RKhW0afk0ZLQkhfNYGdH999VivOYeLL

Score

10^/10

xworm execution persistence pyinstaller rat trojan

Malware Config

Extracted

Family

xworm

Attributes

Install_directory
%port%
install_file
USB.exe
pastebin_url
https://pastebin.com/raw/k7RJ4RZQ

Extracted

Family

xworm

Version

5.0

Mutex

0PPzuWGEdxzyPz40

Attributes

Install_directory
%AppData%
install_file
svchost.exe
pastebin_url
https://pastebin.com/raw/0AT3JnEx

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/files/0x00070000000186ca-15.dat	family_xworm
behavioral1/files/0x00060000000186d9-14.dat	family_xworm
behavioral1/memory/2812-21-0x00000000000C0000-0x00000000000D0000-memory.dmp	family_xworm
behavioral1/memory/1376-20-0x0000000000970000-0x0000000000990000-memory.dmp	family_xworm
behavioral1/memory/3240-1942-0x0000000000F80000-0x0000000000F90000-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
2784	powershell.exe
1272	powershell.exe
2808	powershell.exe
2636	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	VelocityFix.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	VelocityFix.exe

Executes dropped EXE 7 IoCs

pid	Process
1632	VelocitySupportTool.exe
2812	VelocityFix.exe
1376	VelocitySupportTools.exe
2828	VelocitySupport.exe
2308	VelocitySupport.exe
3240	svchost.exe
3640	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2340	VelocitySupportTool.exe
2308	VelocitySupport.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	VelocityFix.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
7	pastebin.com
8	pastebin.com

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

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x00060000000186dd-22.dat	pyinstaller

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
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2784	powershell.exe
1272	powershell.exe
2808	powershell.exe
2636	powershell.exe
2812	VelocityFix.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	VelocitySupportTools.exe
Token: SeDebugPrivilege	2812	VelocityFix.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	1272	powershell.exe
Token: SeDebugPrivilege	2808	powershell.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	2812	VelocityFix.exe
Token: SeDebugPrivilege	3240	svchost.exe
Token: SeDebugPrivilege	3640	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2812	VelocityFix.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1632	2340	VelocitySupportTool.exe	30
PID 2340 wrote to memory of 1632	2340	VelocitySupportTool.exe	30
PID 2340 wrote to memory of 1632	2340	VelocitySupportTool.exe	30
PID 1632 wrote to memory of 1376	1632	VelocitySupportTool.exe	31
PID 1632 wrote to memory of 1376	1632	VelocitySupportTool.exe	31
PID 1632 wrote to memory of 1376	1632	VelocitySupportTool.exe	31
PID 1632 wrote to memory of 2812	1632	VelocitySupportTool.exe	32
PID 1632 wrote to memory of 2812	1632	VelocitySupportTool.exe	32
PID 1632 wrote to memory of 2812	1632	VelocitySupportTool.exe	32
PID 2340 wrote to memory of 2828	2340	VelocitySupportTool.exe	33
PID 2340 wrote to memory of 2828	2340	VelocitySupportTool.exe	33
PID 2340 wrote to memory of 2828	2340	VelocitySupportTool.exe	33
PID 2828 wrote to memory of 2308	2828	VelocitySupport.exe	37
PID 2828 wrote to memory of 2308	2828	VelocitySupport.exe	37
PID 2828 wrote to memory of 2308	2828	VelocitySupport.exe	37
PID 2812 wrote to memory of 2784	2812	VelocityFix.exe	38
PID 2812 wrote to memory of 2784	2812	VelocityFix.exe	38
PID 2812 wrote to memory of 2784	2812	VelocityFix.exe	38
PID 2812 wrote to memory of 1272	2812	VelocityFix.exe	40
PID 2812 wrote to memory of 1272	2812	VelocityFix.exe	40
PID 2812 wrote to memory of 1272	2812	VelocityFix.exe	40
PID 2812 wrote to memory of 2808	2812	VelocityFix.exe	42
PID 2812 wrote to memory of 2808	2812	VelocityFix.exe	42
PID 2812 wrote to memory of 2808	2812	VelocityFix.exe	42
PID 2812 wrote to memory of 2636	2812	VelocityFix.exe	44
PID 2812 wrote to memory of 2636	2812	VelocityFix.exe	44
PID 2812 wrote to memory of 2636	2812	VelocityFix.exe	44
PID 2812 wrote to memory of 2916	2812	VelocityFix.exe	46
PID 2812 wrote to memory of 2916	2812	VelocityFix.exe	46
PID 2812 wrote to memory of 2916	2812	VelocityFix.exe	46
PID 3208 wrote to memory of 3240	3208	taskeng.exe	49
PID 3208 wrote to memory of 3240	3208	taskeng.exe	49
PID 3208 wrote to memory of 3240	3208	taskeng.exe	49
PID 3208 wrote to memory of 3640	3208	taskeng.exe	50
PID 3208 wrote to memory of 3640	3208	taskeng.exe	50
PID 3208 wrote to memory of 3640	3208	taskeng.exe	50

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\VelocitySupportTool.exe
"C:\Users\Admin\AppData\Local\Temp\VelocitySupportTool.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Roaming\VelocitySupportTool.exe
  "C:\Users\Admin\AppData\Roaming\VelocitySupportTool.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Users\Admin\AppData\Roaming\VelocitySupportTools.exe
    "C:\Users\Admin\AppData\Roaming\VelocitySupportTools.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1376
- - C:\Users\Admin\AppData\Roaming\VelocityFix.exe
    "C:\Users\Admin\AppData\Roaming\VelocityFix.exe"
    3⤵
    - 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:2812
  - - 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\VelocityFix.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2784
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'VelocityFix.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1272
  - - 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\svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2808
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2636
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2916
- C:\Users\Admin\AppData\Roaming\VelocitySupport.exe
  "C:\Users\Admin\AppData\Roaming\VelocitySupport.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Users\Admin\AppData\Roaming\VelocitySupport.exe
    "C:\Users\Admin\AppData\Roaming\VelocitySupport.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2308

C:\Windows\system32\taskeng.exe
taskeng.exe {341ED9A1-FCB8-4FAC-859E-E830B36CD62F} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3240
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI28282\python313.dll

Filesize
5.8MB

MD5
501080884bed38cb8801a307c9d7b7b4

SHA1
881b250cc8f4fa4f75111ac557a4fde8e1e217af

SHA256
bf68cf819a1e865170430c10e91c18b427aef88db1da1742020443864aa2b749

SHA512
63d74a4871d1c72c2a79ae8a5d380070f9d2128c16949c3ad36c9862fcc4dab738137ed3d51caf0bc46b36655f8bd8a2d425d68200123415ee8d4de0e1cbebc9

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

Filesize
7KB

MD5
a572e1de73460e3578a1aa4019663cc5

SHA1
3bd07dc8d51c0b110ac5f88d702593d880235aa0

SHA256
40160c26ff7aad6830d39337f7056298c0dd067d3e8ce71caa04f2b96060cd7c

SHA512
c88342bbb5d0f3b680bd09a8885417d4dcad181ade78747dff6575ba14ea3ee9ac5933ebff4a4fd996a55dc6f60b09b9676b0ef656bf8bddb2bfe8da647fe20d

Download Submit
C:\Users\Admin\AppData\Roaming\VelocityFix.exe

Filesize
39KB

MD5
53bfc0f8986b70724e4823f47241f6aa

SHA1
62e79122cea2f27e6f093fa484e5aa7795088ccc

SHA256
9286f18acfd1a8277f23da9a1079b571587c9bd5f28dbcff51845b933595426c

SHA512
5abbfbcc2e5cff491f4d213f4b83047f50e1de77d67631d510c7b540965c5f03a7611a0f1e79479d3a05a1e2f05fee6180b47ececc96c78f2e38ee5fa06430f2

Download Submit
C:\Users\Admin\AppData\Roaming\VelocitySupportTool.exe

Filesize
250KB

MD5
1904b43012a89c4ec5b3c82c7f7e313e

SHA1
3b0eedb1ba0bff205b9d099dd355091229007d04

SHA256
1446224da9810c06e7336730dab3811c39c8d1d4b200c4e7d568b1440b432f61

SHA512
c37e6bba9776516201c28367dcb541ac108a1def13d72eaf311800710c854a794835b7b92075e3b5d61ff3c500e1446004479065e418e3cb0dfb41963123a06e

Download Submit
C:\Users\Admin\AppData\Roaming\VelocitySupportTools.exe

Filesize
103KB

MD5
3d47fe184f91ceb1bd0d4c213da5ebfa

SHA1
05ca3411a2b89f0c7884024f48b51e7574862992

SHA256
f0879c8017351b9cebbb546ea14f323ddb777cd97e435bb2de904ac28aa8525f

SHA512
1975ed404e30d674806a8209982cf5c81ec7b057178e5597195ca89d79406ddc1edcd25a3e6098e74ac5ce220e9a9975cb2bcbff4d2de8abfa7952c1902ff256

Download Submit
\Users\Admin\AppData\Roaming\VelocitySupport.exe

Filesize
9.8MB

MD5
38c4223ac857cb56e3014d33c2062d05

SHA1
d32150012ab49dad1f1c7ad3b68b2e3c483f81f5

SHA256
cbcb51837d0ebd8fcae0dfa61ba516c103c34ca56a0aef400a2d14e9610cb43e

SHA512
f000154ce3e2fb06fc98d1cf8d867996c0fc2747aefc24a7d091a13443316396e24080aafffdb048de1b37ab360265afe7cee31ab07c7eb246e293b50c0edfa7

Download Submit
memory/1272-982-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/1272-983-0x0000000002000000-0x0000000002008000-memory.dmp

Filesize
32KB

Download
memory/1376-20-0x0000000000970000-0x0000000000990000-memory.dmp

Filesize
128KB

Download
memory/1632-23-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/1632-7-0x0000000000350000-0x0000000000394000-memory.dmp

Filesize
272KB

Download
memory/2340-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp

Filesize
4KB

Download
memory/2340-1-0x0000000000A90000-0x00000000014A4000-memory.dmp

Filesize
10.1MB

Download
memory/2784-975-0x000000001B500000-0x000000001B7E2000-memory.dmp

Filesize
2.9MB

Download
memory/2784-976-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2812-21-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download
memory/3240-1942-0x0000000000F80000-0x0000000000F90000-memory.dmp

Filesize
64KB

Download