xworm | 6c38b37ea2e05082f0357c42d3e216d50ba4a50aaad9ca7a00a85402896e5f58

Analysis

max time kernel
32s
max time network
36s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
12-11-2024 10:47

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General

Target

JJsploit.exe
Size

328KB
MD5

7c85044f93d8185748d4519a3fa7a99c
SHA1

760353df28933f8c60f44dbc1f5592e47f5be99e
SHA256

6c38b37ea2e05082f0357c42d3e216d50ba4a50aaad9ca7a00a85402896e5f58
SHA512

d522d394751709904e7f44c5dfbef04814e6dc9bf0bb57716ca0058f6787c66d7be74e37c1232ac7fb165ca4e0a11861ca220cc0fef9903d411722fba19e5697
SSDEEP

3072:MrsAo+b1lo43OLx4RzsGmizgqDwyRFatcZqivp:Mrbbno48SaGRvDBTatcZv

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

23.ip.gl.ply.gg:54625

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3124-1-0x0000000000050000-0x00000000000A8000-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
4328	powershell.exe
892	powershell.exe
3612	powershell.exe
3200	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	JJsploit.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	JJsploit.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	JJsploit.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-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	JJsploit.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
924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3200	powershell.exe
3200	powershell.exe
4328	powershell.exe
4328	powershell.exe
892	powershell.exe
892	powershell.exe
3612	powershell.exe
3612	powershell.exe
3124	JJsploit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3124	JJsploit.exe
Token: SeDebugPrivilege	3200	powershell.exe
Token: SeIncreaseQuotaPrivilege	3200	powershell.exe
Token: SeSecurityPrivilege	3200	powershell.exe
Token: SeTakeOwnershipPrivilege	3200	powershell.exe
Token: SeLoadDriverPrivilege	3200	powershell.exe
Token: SeSystemProfilePrivilege	3200	powershell.exe
Token: SeSystemtimePrivilege	3200	powershell.exe
Token: SeProfSingleProcessPrivilege	3200	powershell.exe
Token: SeIncBasePriorityPrivilege	3200	powershell.exe
Token: SeCreatePagefilePrivilege	3200	powershell.exe
Token: SeBackupPrivilege	3200	powershell.exe
Token: SeRestorePrivilege	3200	powershell.exe
Token: SeShutdownPrivilege	3200	powershell.exe
Token: SeDebugPrivilege	3200	powershell.exe
Token: SeSystemEnvironmentPrivilege	3200	powershell.exe
Token: SeRemoteShutdownPrivilege	3200	powershell.exe
Token: SeUndockPrivilege	3200	powershell.exe
Token: SeManageVolumePrivilege	3200	powershell.exe
Token: 33	3200	powershell.exe
Token: 34	3200	powershell.exe
Token: 35	3200	powershell.exe
Token: 36	3200	powershell.exe
Token: SeDebugPrivilege	4328	powershell.exe
Token: SeIncreaseQuotaPrivilege	4328	powershell.exe
Token: SeSecurityPrivilege	4328	powershell.exe
Token: SeTakeOwnershipPrivilege	4328	powershell.exe
Token: SeLoadDriverPrivilege	4328	powershell.exe
Token: SeSystemProfilePrivilege	4328	powershell.exe
Token: SeSystemtimePrivilege	4328	powershell.exe
Token: SeProfSingleProcessPrivilege	4328	powershell.exe
Token: SeIncBasePriorityPrivilege	4328	powershell.exe
Token: SeCreatePagefilePrivilege	4328	powershell.exe
Token: SeBackupPrivilege	4328	powershell.exe
Token: SeRestorePrivilege	4328	powershell.exe
Token: SeShutdownPrivilege	4328	powershell.exe
Token: SeDebugPrivilege	4328	powershell.exe
Token: SeSystemEnvironmentPrivilege	4328	powershell.exe
Token: SeRemoteShutdownPrivilege	4328	powershell.exe
Token: SeUndockPrivilege	4328	powershell.exe
Token: SeManageVolumePrivilege	4328	powershell.exe
Token: 33	4328	powershell.exe
Token: 34	4328	powershell.exe
Token: 35	4328	powershell.exe
Token: 36	4328	powershell.exe
Token: SeDebugPrivilege	892	powershell.exe
Token: SeIncreaseQuotaPrivilege	892	powershell.exe
Token: SeSecurityPrivilege	892	powershell.exe
Token: SeTakeOwnershipPrivilege	892	powershell.exe
Token: SeLoadDriverPrivilege	892	powershell.exe
Token: SeSystemProfilePrivilege	892	powershell.exe
Token: SeSystemtimePrivilege	892	powershell.exe
Token: SeProfSingleProcessPrivilege	892	powershell.exe
Token: SeIncBasePriorityPrivilege	892	powershell.exe
Token: SeCreatePagefilePrivilege	892	powershell.exe
Token: SeBackupPrivilege	892	powershell.exe
Token: SeRestorePrivilege	892	powershell.exe
Token: SeShutdownPrivilege	892	powershell.exe
Token: SeDebugPrivilege	892	powershell.exe
Token: SeSystemEnvironmentPrivilege	892	powershell.exe
Token: SeRemoteShutdownPrivilege	892	powershell.exe
Token: SeUndockPrivilege	892	powershell.exe
Token: SeManageVolumePrivilege	892	powershell.exe
Token: 33	892	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3124	JJsploit.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3200	3124	JJsploit.exe	82
PID 3124 wrote to memory of 3200	3124	JJsploit.exe	82
PID 3124 wrote to memory of 4328	3124	JJsploit.exe	86
PID 3124 wrote to memory of 4328	3124	JJsploit.exe	86
PID 3124 wrote to memory of 892	3124	JJsploit.exe	89
PID 3124 wrote to memory of 892	3124	JJsploit.exe	89
PID 3124 wrote to memory of 3612	3124	JJsploit.exe	93
PID 3124 wrote to memory of 3612	3124	JJsploit.exe	93
PID 3124 wrote to memory of 924	3124	JJsploit.exe	95
PID 3124 wrote to memory of 924	3124	JJsploit.exe	95

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\JJsploit.exe
"C:\Users\Admin\AppData\Local\Temp\JJsploit.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3124
- 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\JJsploit.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3200
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'JJsploit.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4328
- 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'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:892
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3612
- 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"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:924

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\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
f0f59cccd39a3694e0e6dfd44d0fa76d

SHA1
fccd7911d463041e1168431df8823e4c4ea387c1

SHA256
70466c7f3a911368d653396fdd68f993322c69e1797b492ca00f8be34b7f3401

SHA512
5c726e1e28cb9c0c3ab963fbfbf471c6033839f3e535a3811581fdaa4da17175e5a8a8be84a4fccd99b81e048058e51d230ff3836e3ec920057a1b1676110bee

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

Filesize
1KB

MD5
c188107734dafda662fd6aaf094b33cd

SHA1
069dac49bc32356d81cd7b460b9f2095c6f25c3d

SHA256
98974b08ff2e46f7731f288f74517d990afb228eec16315923de34bc842ce613

SHA512
86405f0c955a8feda9bd3a3dbd88ea66f81fa0f343cb7df77d637c6b5d71ca311fd5f817fa5b37c61153a96f2682c3f603f70db21c97464ed6b3d76fb097115c

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

Filesize
1KB

MD5
03aa6911fecf3f0923ee454c47b948f7

SHA1
99205d2a61521238892647bbc232e0da4a1473a3

SHA256
39e73c21e8ef39e35252a5dc1f8ec0a0d646653cd285a3a97a09c2b8d54c38a1

SHA512
84190cfda72e45a1cf612a27de19421301b8c1777f065b305dbcef7359254820ed634e941f4fb4c865cc2f32773a11ad80123d27ad59876a2c051889d06c5b26

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s3n3gy2f.eyz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3124-1-0x0000000000050000-0x00000000000A8000-memory.dmp

Filesize
352KB

Download
memory/3124-60-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3124-0-0x00007FFE2E143000-0x00007FFE2E145000-memory.dmp

Filesize
8KB

Download
memory/3124-59-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3124-54-0x00007FFE2E143000-0x00007FFE2E145000-memory.dmp

Filesize
8KB

Download
memory/3200-12-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-19-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-16-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-15-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-14-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-13-0x00007FFE2E140000-0x00007FFE2EC02000-memory.dmp

Filesize
10.8MB

Download
memory/3200-7-0x000001E67F6B0000-0x000001E67F6D2000-memory.dmp

Filesize
136KB

Download