xworm | 310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 18:21

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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 3 IoCs

resource	yara_rule
behavioral1/files/0x000700000001925b-11.dat	family_xworm
behavioral1/memory/1320-13-0x0000000000080000-0x0000000000098000-memory.dmp	family_xworm
behavioral1/memory/2100-48-0x0000000000D70000-0x0000000000D88000-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
2952	powershell.exe
2700	powershell.exe
2796	powershell.exe
3004	powershell.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
2420	P00LCUE.exe
1320	BLACKSUPER X.exe
1188	Process not Found
2100	XClient.exe
1624	XClient.exe

Loads dropped DLL 2 IoCs

pid	Process
1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
1932	Process not Found

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-1-5-21-2039016743-699959520-214465309-1000\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
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
848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe
2420	P00LCUE.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	BLACKSUPER X.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	1320	BLACKSUPER X.exe
Token: SeDebugPrivilege	2100	XClient.exe
Token: SeDebugPrivilege	1624	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1320	BLACKSUPER X.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2420	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 1796 wrote to memory of 2420	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 1796 wrote to memory of 2420	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	30
PID 1796 wrote to memory of 1320	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 1796 wrote to memory of 1320	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 1796 wrote to memory of 1320	1796	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	32
PID 2420 wrote to memory of 2332	2420	P00LCUE.exe	33
PID 2420 wrote to memory of 2332	2420	P00LCUE.exe	33
PID 2420 wrote to memory of 2332	2420	P00LCUE.exe	33
PID 2420 wrote to memory of 2288	2420	P00LCUE.exe	34
PID 2420 wrote to memory of 2288	2420	P00LCUE.exe	34
PID 2420 wrote to memory of 2288	2420	P00LCUE.exe	34
PID 1320 wrote to memory of 2700	1320	BLACKSUPER X.exe	37
PID 1320 wrote to memory of 2700	1320	BLACKSUPER X.exe	37
PID 1320 wrote to memory of 2700	1320	BLACKSUPER X.exe	37
PID 1320 wrote to memory of 2796	1320	BLACKSUPER X.exe	39
PID 1320 wrote to memory of 2796	1320	BLACKSUPER X.exe	39
PID 1320 wrote to memory of 2796	1320	BLACKSUPER X.exe	39
PID 1320 wrote to memory of 3004	1320	BLACKSUPER X.exe	41
PID 1320 wrote to memory of 3004	1320	BLACKSUPER X.exe	41
PID 1320 wrote to memory of 3004	1320	BLACKSUPER X.exe	41
PID 1320 wrote to memory of 2952	1320	BLACKSUPER X.exe	43
PID 1320 wrote to memory of 2952	1320	BLACKSUPER X.exe	43
PID 1320 wrote to memory of 2952	1320	BLACKSUPER X.exe	43
PID 1320 wrote to memory of 848	1320	BLACKSUPER X.exe	45
PID 1320 wrote to memory of 848	1320	BLACKSUPER X.exe	45
PID 1320 wrote to memory of 848	1320	BLACKSUPER X.exe	45
PID 1252 wrote to memory of 2100	1252	taskeng.exe	48
PID 1252 wrote to memory of 2100	1252	taskeng.exe	48
PID 1252 wrote to memory of 2100	1252	taskeng.exe	48
PID 1252 wrote to memory of 1624	1252	taskeng.exe	49
PID 1252 wrote to memory of 1624	1252	taskeng.exe	49
PID 1252 wrote to memory of 1624	1252	taskeng.exe	49

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796
- 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:2420
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2332
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2288
- C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe
  "C:\Users\Admin\AppData\Local\Temp\BLACKSUPER X.exe"
  2⤵
  - 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:1320
- - 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:2700
- - 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:2796
- - 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:3004
- - 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:2952
- - 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:848

C:\Windows\system32\taskeng.exe
taskeng.exe {6E38E0C1-DAC0-47B8-8A87-EE01FCDA33F9} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2100
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1624

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\Temp\BLACKSUPER X.exe

Filesize
69KB

MD5
2d58b179ec133f1016a2496a96c5da20

SHA1
f5b59d6c3c382295d5d5fed1aed04342a7ab7f2e

SHA256
ea9c924bd79e33535b8d6537da0a320ce89d6700697173397bb0a31341831a1b

SHA512
486e8248f14d721519bd3701d8dfaf6b8e5af2bce02825fac078402c5ac4a1ceff72af2c36eb3a5c3006aaef0eb00ae8b2289d5a2b8b149e50e7bc7e2bad5abc

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

Filesize
7KB

MD5
0caa4f8dac09eb13b3bfeb17d8bfa2a3

SHA1
24b678524922701e9e0e8d4e1d9b2639770ab421

SHA256
4da6409266c28b09d6d7ec8b5ba1a7d8a6abf307050cb17d4b0ce51054b9fd44

SHA512
dfe9a8e2e0131fb9543996213642e7df967991544e89e814401b55fc72ffb56e64805acbf730b4e3246eb6a50fb21528f546f6c7bb59c148d4f8d468278d2f69

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

Filesize
49KB

MD5
82389acf1b04e8442fdafa7c49c29a97

SHA1
573bbc1861498616a8fe79762de0fe3441e0ab21

SHA256
70ef677a281065331f49877743d7674891ccb1e63023fbc17e4d6c2e9f28b27a

SHA512
4d87d48265510da16fd22920bbbc4476278e1991b62584c320b020d53dcd7ca9b718d9f10750f63b25df1a741ef10369da013e880a3d979ef3faff9332fd3eb1

Download Submit
memory/1320-15-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/1320-13-0x0000000000080000-0x0000000000098000-memory.dmp

Filesize
96KB

Download
memory/1320-21-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/1796-14-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/1796-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/1796-1-0x0000000000CB0000-0x0000000000D0A000-memory.dmp

Filesize
360KB

Download
memory/2100-48-0x0000000000D70000-0x0000000000D88000-memory.dmp

Filesize
96KB

Download
memory/2700-22-0x000000001B610000-0x000000001B8F2000-memory.dmp

Filesize
2.9MB

Download
memory/2700-23-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2796-29-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2796-30-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download