xworm | 07f94f8f6061ba95899914496edc5854aa810de56797d9004875276d60e21ade

Analysis

max time kernel
29s
max time network
35s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
01-08-2024 20:52

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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/1724-0-0x0000000000E70000-0x0000000000E8A000-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
4304	powershell.exe
4868	powershell.exe
4712	powershell.exe
3736	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-1-5-21-1453213197-474736321-1741884505-1000\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 (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\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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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\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\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4304	powershell.exe
4304	powershell.exe
4304	powershell.exe
4868	powershell.exe
4868	powershell.exe
4868	powershell.exe
4712	powershell.exe
4712	powershell.exe
4712	powershell.exe
3736	powershell.exe
3736	powershell.exe
3736	powershell.exe
1724	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	XClient.exe
Token: SeDebugPrivilege	4304	powershell.exe
Token: SeIncreaseQuotaPrivilege	4304	powershell.exe
Token: SeSecurityPrivilege	4304	powershell.exe
Token: SeTakeOwnershipPrivilege	4304	powershell.exe
Token: SeLoadDriverPrivilege	4304	powershell.exe
Token: SeSystemProfilePrivilege	4304	powershell.exe
Token: SeSystemtimePrivilege	4304	powershell.exe
Token: SeProfSingleProcessPrivilege	4304	powershell.exe
Token: SeIncBasePriorityPrivilege	4304	powershell.exe
Token: SeCreatePagefilePrivilege	4304	powershell.exe
Token: SeBackupPrivilege	4304	powershell.exe
Token: SeRestorePrivilege	4304	powershell.exe
Token: SeShutdownPrivilege	4304	powershell.exe
Token: SeDebugPrivilege	4304	powershell.exe
Token: SeSystemEnvironmentPrivilege	4304	powershell.exe
Token: SeRemoteShutdownPrivilege	4304	powershell.exe
Token: SeUndockPrivilege	4304	powershell.exe
Token: SeManageVolumePrivilege	4304	powershell.exe
Token: 33	4304	powershell.exe
Token: 34	4304	powershell.exe
Token: 35	4304	powershell.exe
Token: 36	4304	powershell.exe
Token: SeDebugPrivilege	4868	powershell.exe
Token: SeIncreaseQuotaPrivilege	4868	powershell.exe
Token: SeSecurityPrivilege	4868	powershell.exe
Token: SeTakeOwnershipPrivilege	4868	powershell.exe
Token: SeLoadDriverPrivilege	4868	powershell.exe
Token: SeSystemProfilePrivilege	4868	powershell.exe
Token: SeSystemtimePrivilege	4868	powershell.exe
Token: SeProfSingleProcessPrivilege	4868	powershell.exe
Token: SeIncBasePriorityPrivilege	4868	powershell.exe
Token: SeCreatePagefilePrivilege	4868	powershell.exe
Token: SeBackupPrivilege	4868	powershell.exe
Token: SeRestorePrivilege	4868	powershell.exe
Token: SeShutdownPrivilege	4868	powershell.exe
Token: SeDebugPrivilege	4868	powershell.exe
Token: SeSystemEnvironmentPrivilege	4868	powershell.exe
Token: SeRemoteShutdownPrivilege	4868	powershell.exe
Token: SeUndockPrivilege	4868	powershell.exe
Token: SeManageVolumePrivilege	4868	powershell.exe
Token: 33	4868	powershell.exe
Token: 34	4868	powershell.exe
Token: 35	4868	powershell.exe
Token: 36	4868	powershell.exe
Token: SeDebugPrivilege	4712	powershell.exe
Token: SeIncreaseQuotaPrivilege	4712	powershell.exe
Token: SeSecurityPrivilege	4712	powershell.exe
Token: SeTakeOwnershipPrivilege	4712	powershell.exe
Token: SeLoadDriverPrivilege	4712	powershell.exe
Token: SeSystemProfilePrivilege	4712	powershell.exe
Token: SeSystemtimePrivilege	4712	powershell.exe
Token: SeProfSingleProcessPrivilege	4712	powershell.exe
Token: SeIncBasePriorityPrivilege	4712	powershell.exe
Token: SeCreatePagefilePrivilege	4712	powershell.exe
Token: SeBackupPrivilege	4712	powershell.exe
Token: SeRestorePrivilege	4712	powershell.exe
Token: SeShutdownPrivilege	4712	powershell.exe
Token: SeDebugPrivilege	4712	powershell.exe
Token: SeSystemEnvironmentPrivilege	4712	powershell.exe
Token: SeRemoteShutdownPrivilege	4712	powershell.exe
Token: SeUndockPrivilege	4712	powershell.exe
Token: SeManageVolumePrivilege	4712	powershell.exe
Token: 33	4712	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1724	XClient.exe
4588	LogonUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 4304	1724	XClient.exe	70
PID 1724 wrote to memory of 4304	1724	XClient.exe	70
PID 1724 wrote to memory of 4868	1724	XClient.exe	73
PID 1724 wrote to memory of 4868	1724	XClient.exe	73
PID 1724 wrote to memory of 4712	1724	XClient.exe	75
PID 1724 wrote to memory of 4712	1724	XClient.exe	75
PID 1724 wrote to memory of 3736	1724	XClient.exe	77
PID 1724 wrote to memory of 3736	1724	XClient.exe	77
PID 1724 wrote to memory of 4556	1724	XClient.exe	80
PID 1724 wrote to memory of 4556	1724	XClient.exe	80

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:1724
- 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:4304
- 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:4868
- 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:4712
- 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:3736
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  PID:4556

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ae2855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4588

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

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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
33ff56b0fe5a9315711ff3b03bb7bc6d

SHA1
538a80ed152d179ae89821955979be348165bdc3

SHA256
69a2bb7490878a7f9a7120ef92b615471b0a94d168cba8d0fbef4936a561843c

SHA512
239395c7a04db8f89969f74fa76c9f720d5b50a7e634b6401e6a9472126d00fca7cf58be1c59b1b1b345adba0bb40cd761fa5b66c6eef267aa321dace7f755d5

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

Filesize
1KB

MD5
e1745232a78fcf3d8c92cc4952f69de2

SHA1
b4f332dfd3dbf9edbb8104be5dfde21191cf2fe0

SHA256
13318ab6e977671d888192919f1bbbc752638c20bf20e8941f206f4f8d3e5d37

SHA512
40f309a56fbfe16fdca88d7b83bd8679933a4d6d46a8746d4372ca439a299497c8374fbb943217e2cdb385d15a2bb079d3e68ac1421af3c401ffd3cb5bae2d50

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

Filesize
1KB

MD5
56d7a8d2001c824086e779da310eff32

SHA1
96541096c61daf4f2e9f09d32071908ca6dc4939

SHA256
1e579921a0276e4d3128c55967137ab44b6a9ee9c757d268d199414cff600d9d

SHA512
38e2b57efa6d82afd263b4fa233254849cd4367727967fafa4c60f59021b91ed545d3adc0035b7dd7831fa6de465a7bf8a5cfa545f62d4f539370517d260f606

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ik4iqfq1.eb2.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/1724-1-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/1724-184-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/1724-183-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/1724-0-0x0000000000E70000-0x0000000000E8A000-memory.dmp

Filesize
104KB

Download
memory/4304-7-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/4304-51-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/4304-48-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/4304-25-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/4304-12-0x000001DB77E50000-0x000001DB77EC6000-memory.dmp

Filesize
472KB

Download
memory/4304-9-0x000001DB77D20000-0x000001DB77D42000-memory.dmp

Filesize
136KB

Download
memory/4304-8-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download
memory/4304-6-0x00007FFCBD2C0000-0x00007FFCBD49B000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads