xworm | fe285fb32d562e5603a6f9ae29924e3cc989b0b7c4437b173f0fcc809e1ae14e

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 01:39

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General

Target

310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
Size

337KB
MD5

a8bf7d1f42ce4fe13c76e01befe367fa
SHA1

add32173cf45061d651b75f8b7ab33f86fdfbee7
SHA256

310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8
SHA512

eba707226d114c4405b25b627ee38ba5b2c24cf353fdafd1d78dd90c0fed5de67a2c8c0846609ad7d554306191836667f00dd896d12215fd769c6f36f0f58e2d
SSDEEP

3072:rXjgxzi3Z80WaXjTa4X+oFM3bUiS75l/NTugUJV21KFpwqEBOrNoq98wSpvbUP:rzgxAZ82a4XrFXSlQqrR98XU

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

185.84.161.66:5000

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0002000000022af2-13.dat	family_xworm
behavioral2/memory/2504-23-0x0000000000390000-0x00000000003A8000-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
1612	powershell.exe
4528	powershell.exe
4284	powershell.exe
4656	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	BLACKSUPER X.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 5 IoCs

pid	Process
232	P00LCUE.exe
2504	BLACKSUPER X.exe
1216	XClient.exe
3496	XClient.exe
5056	XClient.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	BLACKSUPER X.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
16	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
2024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe
232	P00LCUE.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	BLACKSUPER X.exe
Token: SeDebugPrivilege	1612	powershell.exe
Token: SeDebugPrivilege	4528	powershell.exe
Token: SeDebugPrivilege	4284	powershell.exe
Token: SeDebugPrivilege	4656	powershell.exe
Token: SeDebugPrivilege	2504	BLACKSUPER X.exe
Token: SeDebugPrivilege	1216	XClient.exe
Token: SeDebugPrivilege	3496	XClient.exe
Token: SeDebugPrivilege	5056	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	BLACKSUPER X.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 232	1336	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	87
PID 1336 wrote to memory of 232	1336	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	87
PID 1336 wrote to memory of 2504	1336	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	89
PID 1336 wrote to memory of 2504	1336	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	89
PID 232 wrote to memory of 4408	232	P00LCUE.exe	90
PID 232 wrote to memory of 4408	232	P00LCUE.exe	90
PID 232 wrote to memory of 1136	232	P00LCUE.exe	91
PID 232 wrote to memory of 1136	232	P00LCUE.exe	91
PID 2504 wrote to memory of 1612	2504	BLACKSUPER X.exe	96
PID 2504 wrote to memory of 1612	2504	BLACKSUPER X.exe	96
PID 2504 wrote to memory of 4528	2504	BLACKSUPER X.exe	99
PID 2504 wrote to memory of 4528	2504	BLACKSUPER X.exe	99
PID 2504 wrote to memory of 4284	2504	BLACKSUPER X.exe	101
PID 2504 wrote to memory of 4284	2504	BLACKSUPER X.exe	101
PID 2504 wrote to memory of 4656	2504	BLACKSUPER X.exe	105
PID 2504 wrote to memory of 4656	2504	BLACKSUPER X.exe	105
PID 2504 wrote to memory of 2024	2504	BLACKSUPER X.exe	107
PID 2504 wrote to memory of 2024	2504	BLACKSUPER X.exe	107

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\310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
"C:\Users\Admin\AppData\Local\Temp\310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Users\Admin\AppData\Local\Temp\P00LCUE.exe
  "C:\Users\Admin\AppData\Local\Temp\P00LCUE.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:232
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:4408
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:1136
- C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe
  "C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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\BLACKSUPER X.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:1612
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'BLACKSUPER X.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:4528
- - 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\XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:4284
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious use of AdjustPrivilegeToken
    PID:4656
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2024

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1216

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3496

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5056

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\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
cae60f0ddddac635da71bba775a2c5b4

SHA1
386f1a036af61345a7d303d45f5230e2df817477

SHA256
b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

SHA512
28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
98baf5117c4fcec1692067d200c58ab3

SHA1
5b33a57b72141e7508b615e17fb621612cb8e390

SHA256
30bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51

SHA512
344a70bfc037d54176f12db91f05bf4295bb587a5062fd1febe6f52853571170bd8ef6042cb87b893185bbae1937cf77b679d7970f8cc1c2666b0b7c1b32987d

Download Submit
C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe

Filesize
69KB

MD5
2d58b179ec133f1016a2496a96c5da20

SHA1
f5b59d6c3c382295d5d5fed1aed04342a7ab7f2e

SHA256
ea9c924bd79e33535b8d6537da0a320ce89d6700697173397bb0a31341831a1b

SHA512
486e8248f14d721519bd3701d8dfaf6b8e5af2bce02825fac078402c5ac4a1ceff72af2c36eb3a5c3006aaef0eb00ae8b2289d5a2b8b149e50e7bc7e2bad5abc

Download Submit
C:\Users\Admin\AppData\Local\Temp\P00LCUE.exe

Filesize
49KB

MD5
82389acf1b04e8442fdafa7c49c29a97

SHA1
573bbc1861498616a8fe79762de0fe3441e0ab21

SHA256
70ef677a281065331f49877743d7674891ccb1e63023fbc17e4d6c2e9f28b27a

SHA512
4d87d48265510da16fd22920bbbc4476278e1991b62584c320b020d53dcd7ca9b718d9f10750f63b25df1a741ef10369da013e880a3d979ef3faff9332fd3eb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fzklnbrl.xhw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1336-22-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download
memory/1336-0-0x00007FFA8A943000-0x00007FFA8A945000-memory.dmp

Filesize
8KB

Download
memory/1336-20-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download
memory/1336-1-0x0000000000C90000-0x0000000000CEA000-memory.dmp

Filesize
360KB

Download
memory/1612-33-0x000001966D5A0000-0x000001966D5C2000-memory.dmp

Filesize
136KB

Download
memory/2504-25-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download
memory/2504-26-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download
memory/2504-23-0x0000000000390000-0x00000000003A8000-memory.dmp

Filesize
96KB

Download
memory/2504-62-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download
memory/2504-78-0x00007FFA8A940000-0x00007FFA8B401000-memory.dmp

Filesize
10.8MB

Download