xworm | 5307ce2390d7c4bfba56c3f519dfcf29d7a5e1752150847c43b6d94d5a9e0ffb

Analysis

max time kernel
142s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:14

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General

Target

916cd92d3ac28dded1335ac06764e138.exe
Size

39KB
MD5

916cd92d3ac28dded1335ac06764e138
SHA1

723a0815fe64380ccb2d5b3cc8dd4715cd0167cd
SHA256

328d960f3c75b7870f97ade069315809dd1649966cce248d85d64f191147da96
SHA512

349bee4b9192224122943633908dab1478ef8014202155b1be53115c291b480d3021af69f16623a8683b09bb3b680548b4ee751f90e90330b2baf8f9acd53195
SSDEEP

768:3F0D8dYqSKMY69IUGBhOq2MGoi4QX6U0XkdIyFZ89slrXJ6KOhhbu2:3Fw8dYqkY69IU4h4b8Q6U0XUFq9s5Z6D

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

design-shipped.gl.at.ply.gg:2938

Mutex

v6oCqftosMfufC9R

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral7/memory/1984-1-0x0000000001100000-0x0000000001110000-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
3052	powershell.exe
2708	powershell.exe
2768	powershell.exe
2896	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Calender.lnk	916cd92d3ac28dded1335ac06764e138.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Calender.lnk	916cd92d3ac28dded1335ac06764e138.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\Windows Calender = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Calender"	916cd92d3ac28dded1335ac06764e138.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
2616	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1984	916cd92d3ac28dded1335ac06764e138.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3052	powershell.exe
2708	powershell.exe
2768	powershell.exe
2896	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	916cd92d3ac28dded1335ac06764e138.exe
Token: SeDebugPrivilege	3052	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	1984	916cd92d3ac28dded1335ac06764e138.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3052	1984	916cd92d3ac28dded1335ac06764e138.exe	30
PID 1984 wrote to memory of 3052	1984	916cd92d3ac28dded1335ac06764e138.exe	30
PID 1984 wrote to memory of 3052	1984	916cd92d3ac28dded1335ac06764e138.exe	30
PID 1984 wrote to memory of 2708	1984	916cd92d3ac28dded1335ac06764e138.exe	32
PID 1984 wrote to memory of 2708	1984	916cd92d3ac28dded1335ac06764e138.exe	32
PID 1984 wrote to memory of 2708	1984	916cd92d3ac28dded1335ac06764e138.exe	32
PID 1984 wrote to memory of 2768	1984	916cd92d3ac28dded1335ac06764e138.exe	34
PID 1984 wrote to memory of 2768	1984	916cd92d3ac28dded1335ac06764e138.exe	34
PID 1984 wrote to memory of 2768	1984	916cd92d3ac28dded1335ac06764e138.exe	34
PID 1984 wrote to memory of 2896	1984	916cd92d3ac28dded1335ac06764e138.exe	36
PID 1984 wrote to memory of 2896	1984	916cd92d3ac28dded1335ac06764e138.exe	36
PID 1984 wrote to memory of 2896	1984	916cd92d3ac28dded1335ac06764e138.exe	36
PID 1984 wrote to memory of 2616	1984	916cd92d3ac28dded1335ac06764e138.exe	38
PID 1984 wrote to memory of 2616	1984	916cd92d3ac28dded1335ac06764e138.exe	38
PID 1984 wrote to memory of 2616	1984	916cd92d3ac28dded1335ac06764e138.exe	38

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\916cd92d3ac28dded1335ac06764e138.exe
"C:\Users\Admin\AppData\Local\Temp\916cd92d3ac28dded1335ac06764e138.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- 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\916cd92d3ac28dded1335ac06764e138.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '916cd92d3ac28dded1335ac06764e138.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- 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\Windows Calender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Calender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2896
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Calender" /tr "C:\Users\Admin\AppData\Roaming\Windows Calender"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2616

C:\Windows\system32\taskeng.exe
taskeng.exe {29F69948-7045-45DF-AC2B-7F119DDF509E} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
PID:2268

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

Exfiltration

Impact

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Downloads

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

Filesize
7KB

MD5
d5bea4b5f28f1897743a0f6333b926e5

SHA1
ea61cf88b541ab9d76f311e72f065074e77d88e8

SHA256
ea3183a21c6571cf083c149f59ca8aa7229dc3ea7353ff31067990fb17015645

SHA512
ba76133ca057d6a9ca463483b209e260433f6a96c0cd6e0352c155ab6857eaac3a07de15c032260fdade5626d9f5ca98f02141b7e3e580d5e9f7ce6cd5c6d95e

Download Submit
memory/1984-1-0x0000000001100000-0x0000000001110000-memory.dmp

Filesize
64KB

Download
memory/1984-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/1984-30-0x000000001B1E0000-0x000000001B260000-memory.dmp

Filesize
512KB

Download
memory/1984-31-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/1984-32-0x000000001B1E0000-0x000000001B260000-memory.dmp

Filesize
512KB

Download
memory/2708-15-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2708-14-0x000000001B7F0000-0x000000001BAD2000-memory.dmp

Filesize
2.9MB

Download
memory/3052-6-0x0000000002E40000-0x0000000002EC0000-memory.dmp

Filesize
512KB

Download
memory/3052-7-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/3052-8-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download