xworm | baa8ace81d5e51f20fea99bf6b8de26c594a2011b670883304e085e5a9847eb2

Analysis

max time kernel
31s
max time network
32s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01/08/2024, 20:40

Sharing

Copy URL

Twitter E-mail

Reason

Machine shutdown

Report Analysis Logs

General

Target

XClient.exe
Size

80KB
MD5

bfa950b37b6a4f8de71af861e677a8b4
SHA1

2ee40bfbf2964d92c82256e5924169295dfdd225
SHA256

07f94f8f6061ba95899914496edc5854aa810de56797d9004875276d60e21ade
SHA512

235b514fac01b24edaef3aeb4209676789b6ba9264a8798cb7ae48c26d2455cdd8f254e92bbba688535acb69fd77b3c0a0a549cf97ece84c235cc74f72234e1a
SSDEEP

1536:EI5NuEGJkEtydWqZQSp1eS+b59gxzhfxdl/5m6qeo//3Oy/4IK4Dax5:Eg1GhtktQGAS+b59cJ4eA/OlINDab

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

full-self.gl.at.ply.gg:45212

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral3/memory/908-1-0x0000000000230000-0x000000000024A000-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
1588	powershell.exe
1020	powershell.exe
4296	powershell.exe
3492	powershell.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-1-5-21-4106386276-4127174233-3637007343-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	XClient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1588	powershell.exe
1588	powershell.exe
1588	powershell.exe
1020	powershell.exe
1020	powershell.exe
1020	powershell.exe
4296	powershell.exe
4296	powershell.exe
4296	powershell.exe
3492	powershell.exe
3492	powershell.exe
3492	powershell.exe
908	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	XClient.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeIncreaseQuotaPrivilege	1588	powershell.exe
Token: SeSecurityPrivilege	1588	powershell.exe
Token: SeTakeOwnershipPrivilege	1588	powershell.exe
Token: SeLoadDriverPrivilege	1588	powershell.exe
Token: SeSystemProfilePrivilege	1588	powershell.exe
Token: SeSystemtimePrivilege	1588	powershell.exe
Token: SeProfSingleProcessPrivilege	1588	powershell.exe
Token: SeIncBasePriorityPrivilege	1588	powershell.exe
Token: SeCreatePagefilePrivilege	1588	powershell.exe
Token: SeBackupPrivilege	1588	powershell.exe
Token: SeRestorePrivilege	1588	powershell.exe
Token: SeShutdownPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeSystemEnvironmentPrivilege	1588	powershell.exe
Token: SeRemoteShutdownPrivilege	1588	powershell.exe
Token: SeUndockPrivilege	1588	powershell.exe
Token: SeManageVolumePrivilege	1588	powershell.exe
Token: 33	1588	powershell.exe
Token: 34	1588	powershell.exe
Token: 35	1588	powershell.exe
Token: 36	1588	powershell.exe
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeIncreaseQuotaPrivilege	1020	powershell.exe
Token: SeSecurityPrivilege	1020	powershell.exe
Token: SeTakeOwnershipPrivilege	1020	powershell.exe
Token: SeLoadDriverPrivilege	1020	powershell.exe
Token: SeSystemProfilePrivilege	1020	powershell.exe
Token: SeSystemtimePrivilege	1020	powershell.exe
Token: SeProfSingleProcessPrivilege	1020	powershell.exe
Token: SeIncBasePriorityPrivilege	1020	powershell.exe
Token: SeCreatePagefilePrivilege	1020	powershell.exe
Token: SeBackupPrivilege	1020	powershell.exe
Token: SeRestorePrivilege	1020	powershell.exe
Token: SeShutdownPrivilege	1020	powershell.exe
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeSystemEnvironmentPrivilege	1020	powershell.exe
Token: SeRemoteShutdownPrivilege	1020	powershell.exe
Token: SeUndockPrivilege	1020	powershell.exe
Token: SeManageVolumePrivilege	1020	powershell.exe
Token: 33	1020	powershell.exe
Token: 34	1020	powershell.exe
Token: 35	1020	powershell.exe
Token: 36	1020	powershell.exe
Token: SeDebugPrivilege	4296	powershell.exe
Token: SeIncreaseQuotaPrivilege	4296	powershell.exe
Token: SeSecurityPrivilege	4296	powershell.exe
Token: SeTakeOwnershipPrivilege	4296	powershell.exe
Token: SeLoadDriverPrivilege	4296	powershell.exe
Token: SeSystemProfilePrivilege	4296	powershell.exe
Token: SeSystemtimePrivilege	4296	powershell.exe
Token: SeProfSingleProcessPrivilege	4296	powershell.exe
Token: SeIncBasePriorityPrivilege	4296	powershell.exe
Token: SeCreatePagefilePrivilege	4296	powershell.exe
Token: SeBackupPrivilege	4296	powershell.exe
Token: SeRestorePrivilege	4296	powershell.exe
Token: SeShutdownPrivilege	4296	powershell.exe
Token: SeDebugPrivilege	4296	powershell.exe
Token: SeSystemEnvironmentPrivilege	4296	powershell.exe
Token: SeRemoteShutdownPrivilege	4296	powershell.exe
Token: SeUndockPrivilege	4296	powershell.exe
Token: SeManageVolumePrivilege	4296	powershell.exe
Token: 33	4296	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
908	XClient.exe
700	LogonUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 1588	908	XClient.exe	72
PID 908 wrote to memory of 1588	908	XClient.exe	72
PID 908 wrote to memory of 1020	908	XClient.exe	75
PID 908 wrote to memory of 1020	908	XClient.exe	75
PID 908 wrote to memory of 4296	908	XClient.exe	77
PID 908 wrote to memory of 4296	908	XClient.exe	77
PID 908 wrote to memory of 3492	908	XClient.exe	79
PID 908 wrote to memory of 3492	908	XClient.exe	79
PID 908 wrote to memory of 4140	908	XClient.exe	82
PID 908 wrote to memory of 4140	908	XClient.exe	82

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:908
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1588
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:1020
- 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:4296
- 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:3492
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  PID:4140

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3aee055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
8592ba100a78835a6b94d5949e13dfc1

SHA1
63e901200ab9a57c7dd4c078d7f75dcd3b357020

SHA256
fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c

SHA512
87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3

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

Filesize
1KB

MD5
de53b4ac0cfdd71568aa63df48cf3be6

SHA1
685c8a396ff2e1c62dc134190536a3d738200ae7

SHA256
1517f2d73a4d09821409ba4a3b51a1d96506039028db4c871e4795b57dfc0cac

SHA512
dbad0cfde69f0796a4dbdfd026971efc8ebd3189c32eb40294364285417a8632d9da01fceb4fc4ece30e22714002fb1daf3f3f3f8bcd5c6755f3a103e8b1d6ae

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

Filesize
1KB

MD5
faa21d72b439ecb4fe7b8acb2af8474b

SHA1
9a201c045a7ec2df06f1386b081e3871df2eef56

SHA256
2021b841de397f3a689dfab1ac6e7c10d4e015043bb715200414feb9bd323fb3

SHA512
6c309dc4defe55582c3fd51b65a4b0deed0fe94fb7a70fb969a9179fb036284aff133a28e1d3c2519f208de1f333197e856aab0802686ce6e061472e03e2ebbb

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

Filesize
1KB

MD5
c4e4aa463e374d2e64f4f87380f27576

SHA1
424726631656054768f0670928e4cbe2e4be2505

SHA256
b4e0d3b6bce93242d1fdc5883d0fd35c278c0b46eba1120628e2c558d438b954

SHA512
e218cca407fc10240ee316f7e85d00d2556bed906f76ab95309d4b3a2f2fbda0ce15737bc4c5feb19c7f0379e3fd82aebda6176bfcef1c3193604adc4ff6e0cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3m554blf.cgw.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/908-1-0x0000000000230000-0x000000000024A000-memory.dmp

Filesize
104KB

Download
memory/908-185-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/908-184-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/908-0-0x00007FF98AAA3000-0x00007FF98AAA4000-memory.dmp

Filesize
4KB

Download
memory/1588-10-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-52-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-48-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-41-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-11-0x000001B5F5C50000-0x000001B5F5CC6000-memory.dmp

Filesize
472KB

Download
memory/1588-12-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-9-0x00007FF98AAA0000-0x00007FF98B48C000-memory.dmp

Filesize
9.9MB

Download
memory/1588-6-0x000001B5F5990000-0x000001B5F59B2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads