xworm | 310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8

Analysis

max time kernel
121s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 15:31

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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 4 IoCs

resource	yara_rule
behavioral1/memory/1752-12-0x0000000000840000-0x0000000000858000-memory.dmp	family_xworm
behavioral1/files/0x0008000000018d68-11.dat	family_xworm
behavioral1/memory/328-53-0x00000000003E0000-0x00000000003F8000-memory.dmp	family_xworm
behavioral1/memory/2496-56-0x0000000000D40000-0x0000000000D58000-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
1632	powershell.exe
2708	powershell.exe
2648	powershell.exe
2904	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
2996	P00LCUE.exe
1752	BLACKSUPER X.exe
1256	Process not Found
328	XClient.exe
2496	XClient.exe

Loads dropped DLL 2 IoCs

pid	Process
2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe
2104	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-1-5-21-3533259084-2542256011-65585152-1000\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
2160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe
2996	P00LCUE.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	BLACKSUPER X.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	1632	powershell.exe
Token: SeDebugPrivilege	1752	BLACKSUPER X.exe
Token: SeDebugPrivilege	328	XClient.exe
Token: SeDebugPrivilege	2496	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1752	BLACKSUPER X.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2996	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	31
PID 2356 wrote to memory of 2996	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	31
PID 2356 wrote to memory of 2996	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	31
PID 2356 wrote to memory of 1752	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	33
PID 2356 wrote to memory of 1752	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	33
PID 2356 wrote to memory of 1752	2356	310c6e4649169990ced7e39f97fade780c725e8ecac3c7a6fe4a8e3d1b874bc8.exe	33
PID 2996 wrote to memory of 2712	2996	P00LCUE.exe	34
PID 2996 wrote to memory of 2712	2996	P00LCUE.exe	34
PID 2996 wrote to memory of 2712	2996	P00LCUE.exe	34
PID 2996 wrote to memory of 2776	2996	P00LCUE.exe	35
PID 2996 wrote to memory of 2776	2996	P00LCUE.exe	35
PID 2996 wrote to memory of 2776	2996	P00LCUE.exe	35
PID 1752 wrote to memory of 2708	1752	BLACKSUPER X.exe	37
PID 1752 wrote to memory of 2708	1752	BLACKSUPER X.exe	37
PID 1752 wrote to memory of 2708	1752	BLACKSUPER X.exe	37
PID 1752 wrote to memory of 2648	1752	BLACKSUPER X.exe	39
PID 1752 wrote to memory of 2648	1752	BLACKSUPER X.exe	39
PID 1752 wrote to memory of 2648	1752	BLACKSUPER X.exe	39
PID 1752 wrote to memory of 2904	1752	BLACKSUPER X.exe	41
PID 1752 wrote to memory of 2904	1752	BLACKSUPER X.exe	41
PID 1752 wrote to memory of 2904	1752	BLACKSUPER X.exe	41
PID 1752 wrote to memory of 1632	1752	BLACKSUPER X.exe	43
PID 1752 wrote to memory of 1632	1752	BLACKSUPER X.exe	43
PID 1752 wrote to memory of 1632	1752	BLACKSUPER X.exe	43
PID 1752 wrote to memory of 2160	1752	BLACKSUPER X.exe	45
PID 1752 wrote to memory of 2160	1752	BLACKSUPER X.exe	45
PID 1752 wrote to memory of 2160	1752	BLACKSUPER X.exe	45
PID 2224 wrote to memory of 328	2224	taskeng.exe	48
PID 2224 wrote to memory of 328	2224	taskeng.exe	48
PID 2224 wrote to memory of 328	2224	taskeng.exe	48
PID 2224 wrote to memory of 2496	2224	taskeng.exe	49
PID 2224 wrote to memory of 2496	2224	taskeng.exe	49
PID 2224 wrote to memory of 2496	2224	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:2356
- 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:2996
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2712
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    PID:2776
- 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:1752
- - 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:2708
- - 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:2648
- - 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:2904
- - 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:1632
- - 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:2160

C:\Windows\system32\taskeng.exe
taskeng.exe {0C6A6B2A-F84E-4FAE-AFB7-72E330EC4081} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:328
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2496

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\Local\Temp\P00LCUE.exe

Filesize
49KB

MD5
82389acf1b04e8442fdafa7c49c29a97

SHA1
573bbc1861498616a8fe79762de0fe3441e0ab21

SHA256
70ef677a281065331f49877743d7674891ccb1e63023fbc17e4d6c2e9f28b27a

SHA512
4d87d48265510da16fd22920bbbc4476278e1991b62584c320b020d53dcd7ca9b718d9f10750f63b25df1a741ef10369da013e880a3d979ef3faff9332fd3eb1

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

Filesize
7KB

MD5
a3cfcca2c730f0f2230b20f0e8370616

SHA1
bea434e16ca0024ead987b5d6d901f666a77875b

SHA256
f57e7abc81595fa4c590452bfa8a2351fb0f3e89c1367068f9cb3e781926d96a

SHA512
f1379faf844793d35169e4f0d9c85a809c0ec42be7d58eba3276c50108b96aa030a6b3c026c9e168cf9db7fa9d89db2061352c05b6d9306cf6baa8e8efc48518

Download Submit
memory/328-53-0x00000000003E0000-0x00000000003F8000-memory.dmp

Filesize
96KB

Download
memory/1752-12-0x0000000000840000-0x0000000000858000-memory.dmp

Filesize
96KB

Download
memory/1752-15-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/1752-49-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/1752-18-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/1752-19-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-0-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

Filesize
4KB

Download
memory/2356-14-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-16-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-1-0x0000000000230000-0x000000000028A000-memory.dmp

Filesize
360KB

Download
memory/2496-56-0x0000000000D40000-0x0000000000D58000-memory.dmp

Filesize
96KB

Download
memory/2648-31-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2648-32-0x00000000027F0000-0x00000000027F8000-memory.dmp

Filesize
32KB

Download
memory/2708-25-0x0000000002920000-0x0000000002928000-memory.dmp

Filesize
32KB

Download
memory/2708-24-0x000000001B4A0000-0x000000001B782000-memory.dmp

Filesize
2.9MB

Download