xworm | 1179583d5b06240bdfbd61745abeb7706e4b75d2d42a561b71f39d8e6edb9e7e

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 13:12

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General

Target

main.py.exe
Size

44KB
MD5

aacd79d677898cf5c143ee144aeacdba
SHA1

1f6bbacd1373226e2ef53cca19754be6b8d73619
SHA256

1179583d5b06240bdfbd61745abeb7706e4b75d2d42a561b71f39d8e6edb9e7e
SHA512

f3a144841980da5fb5105731033c596d2e96e68a663af4790fa0009b58e479d6dcf4a7f69aff2a4ae56f4e28ee86b00cce3dac24739826ec980ab699a338e46a
SSDEEP

768:/0yUbkms0JqxXAsvfgf3okU2jCp/J7X+F+R9pP46vOChQbWL6h:/0/bkt0JqhAmfU5U2jG/FOF09R46vOCK

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

coming-park.gl.at.ply.gg:2444

Mutex

RaGFrRd5XNdQrnY7

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/2468-391-0x000000001A760000-0x000000001A76E000-memory.dmp	disable_win_def

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2468-1-0x00000000000B0000-0x00000000000C2000-memory.dmp	family_xworm
behavioral1/files/0x000a000000017041-97.dat	family_xworm
behavioral1/memory/2224-99-0x00000000000F0000-0x0000000000102000-memory.dmp	family_xworm
behavioral1/memory/1536-294-0x0000000000A10000-0x0000000000A22000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
2892	powershell.exe
2856	powershell.exe
2600	powershell.exe
2568	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\main.lnk	main.py.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\main.lnk	main.py.exe

Executes dropped EXE 2 IoCs

pid	Process
2224	main.py
1536	main.py

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\main = "C:\\Users\\Admin\\AppData\\Roaming\\main.py"	main.py.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

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
3040	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2468	main.py.exe
1976	vlc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2892	powershell.exe
2856	powershell.exe
2600	powershell.exe
2568	powershell.exe
2468	main.py.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1976	vlc.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2468	main.py.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	2468	main.py.exe
Token: SeDebugPrivilege	2224	main.py
Token: SeDebugPrivilege	1536	main.py

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1976	vlc.exe
1976	vlc.exe
1976	vlc.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1976	vlc.exe
1976	vlc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2468	main.py.exe
1976	vlc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2892	2468	main.py.exe	32
PID 2468 wrote to memory of 2892	2468	main.py.exe	32
PID 2468 wrote to memory of 2892	2468	main.py.exe	32
PID 2468 wrote to memory of 2856	2468	main.py.exe	34
PID 2468 wrote to memory of 2856	2468	main.py.exe	34
PID 2468 wrote to memory of 2856	2468	main.py.exe	34
PID 2468 wrote to memory of 2600	2468	main.py.exe	36
PID 2468 wrote to memory of 2600	2468	main.py.exe	36
PID 2468 wrote to memory of 2600	2468	main.py.exe	36
PID 2468 wrote to memory of 2568	2468	main.py.exe	38
PID 2468 wrote to memory of 2568	2468	main.py.exe	38
PID 2468 wrote to memory of 2568	2468	main.py.exe	38
PID 2468 wrote to memory of 3040	2468	main.py.exe	40
PID 2468 wrote to memory of 3040	2468	main.py.exe	40
PID 2468 wrote to memory of 3040	2468	main.py.exe	40
PID 1500 wrote to memory of 2224	1500	taskeng.exe	44
PID 1500 wrote to memory of 2224	1500	taskeng.exe	44
PID 1500 wrote to memory of 2224	1500	taskeng.exe	44
PID 1500 wrote to memory of 1536	1500	taskeng.exe	45
PID 1500 wrote to memory of 1536	1500	taskeng.exe	45
PID 1500 wrote to memory of 1536	1500	taskeng.exe	45

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\main.py.exe
"C:\Users\Admin\AppData\Local\Temp\main.py.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468
- 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\main.py.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'main.py.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2856
- 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\main.py'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'main.py'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "main" /tr "C:\Users\Admin\AppData\Roaming\main.py"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3040

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SearchRestart.wmv"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1976

C:\Windows\system32\taskeng.exe
taskeng.exe {C547A936-9D3C-4627-A61B-8F49FC329899} S-1-5-21-3294248377-1418901787-4083263181-1000:FMEDFXFE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Roaming\main.py
  C:\Users\Admin\AppData\Roaming\main.py
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- C:\Users\Admin\AppData\Roaming\main.py
  C:\Users\Admin\AppData\Roaming\main.py
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1536

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
2df1fe9cd9026da636107f613189649a

SHA1
263c501fa94180a35afc04faf0789c5d45dc0f58

SHA256
672305692780cceda9d72c8d61afd6a6b661c9c3d686b606ab34f384172756d9

SHA512
96ce2d98a0405d61af6467b76cfb5fc4d2d9c975819f2e4746f8d3dd0cdf646943b11107fca845e8f90d97153057e1319cbd7cff03fc085509c1257f096ad33b

Download Submit
C:\Users\Admin\AppData\Roaming\main.py

Filesize
44KB

MD5
aacd79d677898cf5c143ee144aeacdba

SHA1
1f6bbacd1373226e2ef53cca19754be6b8d73619

SHA256
1179583d5b06240bdfbd61745abeb7706e4b75d2d42a561b71f39d8e6edb9e7e

SHA512
f3a144841980da5fb5105731033c596d2e96e68a663af4790fa0009b58e479d6dcf4a7f69aff2a4ae56f4e28ee86b00cce3dac24739826ec980ab699a338e46a

Download Submit
memory/1536-294-0x0000000000A10000-0x0000000000A22000-memory.dmp

Filesize
72KB

Download
memory/1976-46-0x000007FEEF7C0000-0x000007FEEF7D8000-memory.dmp

Filesize
96KB

Download
memory/1976-42-0x000007FEECA20000-0x000007FEEDAD0000-memory.dmp

Filesize
16.7MB

Download
memory/1976-48-0x000007FEEF780000-0x000007FEEF791000-memory.dmp

Filesize
68KB

Download
memory/1976-47-0x000007FEEF7A0000-0x000007FEEF7B1000-memory.dmp

Filesize
68KB

Download
memory/1976-74-0x000007FEECA20000-0x000007FEEDAD0000-memory.dmp

Filesize
16.7MB

Download
memory/1976-63-0x000007FEEECD0000-0x000007FEEECE2000-memory.dmp

Filesize
72KB

Download
memory/1976-62-0x000007FEEECF0000-0x000007FEEED01000-memory.dmp

Filesize
68KB

Download
memory/1976-61-0x000007FEEED10000-0x000007FEEED33000-memory.dmp

Filesize
140KB

Download
memory/1976-33-0x000007FEF1B60000-0x000007FEF1B94000-memory.dmp

Filesize
208KB

Download
memory/1976-32-0x000000013FBF0000-0x000000013FCE8000-memory.dmp

Filesize
992KB

Download
memory/1976-35-0x000007FEF68F0000-0x000007FEF6908000-memory.dmp

Filesize
96KB

Download
memory/1976-36-0x000007FEF6540000-0x000007FEF6557000-memory.dmp

Filesize
92KB

Download
memory/1976-34-0x000007FEEF080000-0x000007FEEF336000-memory.dmp

Filesize
2.7MB

Download
memory/1976-37-0x000007FEF1B40000-0x000007FEF1B51000-memory.dmp

Filesize
68KB

Download
memory/1976-38-0x000007FEEFB20000-0x000007FEEFB37000-memory.dmp

Filesize
92KB

Download
memory/1976-39-0x000007FEEFB00000-0x000007FEEFB11000-memory.dmp

Filesize
68KB

Download
memory/1976-40-0x000007FEEFAE0000-0x000007FEEFAFD000-memory.dmp

Filesize
116KB

Download
memory/1976-49-0x000007FEEF760000-0x000007FEEF771000-memory.dmp

Filesize
68KB

Download
memory/1976-43-0x000007FEEEE70000-0x000007FEEF07B000-memory.dmp

Filesize
2.0MB

Download
memory/1976-44-0x000007FEEFA70000-0x000007FEEFAB1000-memory.dmp

Filesize
260KB

Download
memory/1976-45-0x000007FEEFA40000-0x000007FEEFA61000-memory.dmp

Filesize
132KB

Download
memory/1976-60-0x000007FEEED40000-0x000007FEEED58000-memory.dmp

Filesize
96KB

Download
memory/1976-59-0x000007FEEED60000-0x000007FEEED84000-memory.dmp

Filesize
144KB

Download
memory/1976-58-0x000007FEEF390000-0x000007FEEF3B8000-memory.dmp

Filesize
160KB

Download
memory/1976-41-0x000007FEEFAC0000-0x000007FEEFAD1000-memory.dmp

Filesize
68KB

Download
memory/1976-50-0x000007FEEF740000-0x000007FEEF75B000-memory.dmp

Filesize
108KB

Download
memory/1976-51-0x000007FEEF720000-0x000007FEEF731000-memory.dmp

Filesize
68KB

Download
memory/1976-52-0x000007FEEF700000-0x000007FEEF718000-memory.dmp

Filesize
96KB

Download
memory/1976-53-0x000007FEEF450000-0x000007FEEF480000-memory.dmp

Filesize
192KB

Download
memory/1976-54-0x000007FEEF3E0000-0x000007FEEF447000-memory.dmp

Filesize
412KB

Download
memory/1976-55-0x000007FEEEDF0000-0x000007FEEEE6C000-memory.dmp

Filesize
496KB

Download
memory/1976-56-0x000007FEEF3C0000-0x000007FEEF3D1000-memory.dmp

Filesize
68KB

Download
memory/1976-57-0x000007FEEED90000-0x000007FEEEDE7000-memory.dmp

Filesize
348KB

Download
memory/2224-99-0x00000000000F0000-0x0000000000102000-memory.dmp

Filesize
72KB

Download
memory/2468-1-0x00000000000B0000-0x00000000000C2000-memory.dmp

Filesize
72KB

Download
memory/2468-0-0x000007FEF5903000-0x000007FEF5904000-memory.dmp

Filesize
4KB

Download
memory/2468-31-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

Filesize
9.9MB

Download
memory/2468-27-0x000007FEF5903000-0x000007FEF5904000-memory.dmp

Filesize
4KB

Download
memory/2468-2-0x000007FEF5900000-0x000007FEF62EC000-memory.dmp

Filesize
9.9MB

Download
memory/2468-391-0x000000001A760000-0x000000001A76E000-memory.dmp

Filesize
56KB

Download
memory/2856-16-0x00000000027F0000-0x00000000027F8000-memory.dmp

Filesize
32KB

Download
memory/2856-15-0x000000001B7D0000-0x000000001BAB2000-memory.dmp

Filesize
2.9MB

Download
memory/2892-8-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/2892-7-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2892-9-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download