xworm | baa8ace81d5e51f20fea99bf6b8de26c594a2011b670883304e085e5a9847eb2

Analysis

max time kernel
44s
max time network
44s
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 20:43

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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/204-0-0x0000000000CB0000-0x0000000000CCA000-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
2108	powershell.exe
4508	powershell.exe
3884	powershell.exe
292	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-1-5-21-3699363923-1875576828-3287151903-1000\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\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	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\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\ColorizationColorBalance = "89"	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\Themes\History	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\AccentColorMenu = "4292311040"	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\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
292	powershell.exe
292	powershell.exe
292	powershell.exe
2108	powershell.exe
2108	powershell.exe
2108	powershell.exe
4508	powershell.exe
4508	powershell.exe
4508	powershell.exe
3884	powershell.exe
3884	powershell.exe
3884	powershell.exe
204	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	204	XClient.exe
Token: SeDebugPrivilege	292	powershell.exe
Token: SeIncreaseQuotaPrivilege	292	powershell.exe
Token: SeSecurityPrivilege	292	powershell.exe
Token: SeTakeOwnershipPrivilege	292	powershell.exe
Token: SeLoadDriverPrivilege	292	powershell.exe
Token: SeSystemProfilePrivilege	292	powershell.exe
Token: SeSystemtimePrivilege	292	powershell.exe
Token: SeProfSingleProcessPrivilege	292	powershell.exe
Token: SeIncBasePriorityPrivilege	292	powershell.exe
Token: SeCreatePagefilePrivilege	292	powershell.exe
Token: SeBackupPrivilege	292	powershell.exe
Token: SeRestorePrivilege	292	powershell.exe
Token: SeShutdownPrivilege	292	powershell.exe
Token: SeDebugPrivilege	292	powershell.exe
Token: SeSystemEnvironmentPrivilege	292	powershell.exe
Token: SeRemoteShutdownPrivilege	292	powershell.exe
Token: SeUndockPrivilege	292	powershell.exe
Token: SeManageVolumePrivilege	292	powershell.exe
Token: 33	292	powershell.exe
Token: 34	292	powershell.exe
Token: 35	292	powershell.exe
Token: 36	292	powershell.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeIncreaseQuotaPrivilege	2108	powershell.exe
Token: SeSecurityPrivilege	2108	powershell.exe
Token: SeTakeOwnershipPrivilege	2108	powershell.exe
Token: SeLoadDriverPrivilege	2108	powershell.exe
Token: SeSystemProfilePrivilege	2108	powershell.exe
Token: SeSystemtimePrivilege	2108	powershell.exe
Token: SeProfSingleProcessPrivilege	2108	powershell.exe
Token: SeIncBasePriorityPrivilege	2108	powershell.exe
Token: SeCreatePagefilePrivilege	2108	powershell.exe
Token: SeBackupPrivilege	2108	powershell.exe
Token: SeRestorePrivilege	2108	powershell.exe
Token: SeShutdownPrivilege	2108	powershell.exe
Token: SeDebugPrivilege	2108	powershell.exe
Token: SeSystemEnvironmentPrivilege	2108	powershell.exe
Token: SeRemoteShutdownPrivilege	2108	powershell.exe
Token: SeUndockPrivilege	2108	powershell.exe
Token: SeManageVolumePrivilege	2108	powershell.exe
Token: 33	2108	powershell.exe
Token: 34	2108	powershell.exe
Token: 35	2108	powershell.exe
Token: 36	2108	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeIncreaseQuotaPrivilege	4508	powershell.exe
Token: SeSecurityPrivilege	4508	powershell.exe
Token: SeTakeOwnershipPrivilege	4508	powershell.exe
Token: SeLoadDriverPrivilege	4508	powershell.exe
Token: SeSystemProfilePrivilege	4508	powershell.exe
Token: SeSystemtimePrivilege	4508	powershell.exe
Token: SeProfSingleProcessPrivilege	4508	powershell.exe
Token: SeIncBasePriorityPrivilege	4508	powershell.exe
Token: SeCreatePagefilePrivilege	4508	powershell.exe
Token: SeBackupPrivilege	4508	powershell.exe
Token: SeRestorePrivilege	4508	powershell.exe
Token: SeShutdownPrivilege	4508	powershell.exe
Token: SeDebugPrivilege	4508	powershell.exe
Token: SeSystemEnvironmentPrivilege	4508	powershell.exe
Token: SeRemoteShutdownPrivilege	4508	powershell.exe
Token: SeUndockPrivilege	4508	powershell.exe
Token: SeManageVolumePrivilege	4508	powershell.exe
Token: 33	4508	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
204	XClient.exe
808	LogonUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 204 wrote to memory of 292	204	XClient.exe	74
PID 204 wrote to memory of 292	204	XClient.exe	74
PID 204 wrote to memory of 2108	204	XClient.exe	77
PID 204 wrote to memory of 2108	204	XClient.exe	77
PID 204 wrote to memory of 4508	204	XClient.exe	79
PID 204 wrote to memory of 4508	204	XClient.exe	79
PID 204 wrote to memory of 3884	204	XClient.exe	81
PID 204 wrote to memory of 3884	204	XClient.exe	81
PID 204 wrote to memory of 4332	204	XClient.exe	84
PID 204 wrote to memory of 4332	204	XClient.exe	84

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:204
- 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:292
- 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:2108
- 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:4508
- 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:3884
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  PID:4332

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3aed855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:808

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
ad5cd538ca58cb28ede39c108acb5785

SHA1
1ae910026f3dbe90ed025e9e96ead2b5399be877

SHA256
c9e6cb04d6c893458d5a7e12eb575cf97c3172f5e312b1f63a667cbbc5f0c033

SHA512
c066c5d9b276a68fa636647bb29aea05bfa2292217bc77f5324d9c1d93117772ee8277e1f7cff91ec8d6b7c05ca078f929cecfdbb09582522a9067f54740af13

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

Filesize
1KB

MD5
73ac9e9d58b39619721c1763f79a1b88

SHA1
782566f99e16f0edc96744e4a73697b902f6a97b

SHA256
d5ca73f227564f3a330f790bb90258649e40cc953ddda24669b33db2577e62a6

SHA512
013d922b6b7a6a0c85e5fd0826b760b3d4378df64f3b5d4bbdc30bbadc7a6c3b443ece2b1b431a3e9dfcd02a171ef5ad1f330f2595b04689e7a9e41ad0ed7852

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

Filesize
1KB

MD5
574e34a3765d79145b32308b4a71d3ec

SHA1
2affb5a821c825d7c59817aee68d6239181401c1

SHA256
d2a14d029b05ebaf0d56b6414e503776683c8a0a9af9e5ebb547d907267e1aa0

SHA512
01929d25e6073ffdb28d2b90d13cb98162f76cce198fc554b30f20c0e16798271912fa51eb575c87224abea8178d39fec5f4db37398c0ddf9bd0a7a7f1390514

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

Filesize
1KB

MD5
a945d6da7cbaefcf388ff92cfae25ab0

SHA1
098793ada86ff245c6b3eaa334c19a2b49263501

SHA256
5aa65645113d851884650ec895d22a72829d8716e96fb89604c9930d4f50f34e

SHA512
47a030e94681347053e57da967e93d37c1bba599d901a2c88402957b04dce751a9b698153cfe44fdb2870cbbc6474ae990307f9ce55eba27b561f6a4d4c36c91

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kzpkcdhr.dgd.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/204-1-0x00007FFA9F7A3000-0x00007FFA9F7A4000-memory.dmp

Filesize
4KB

Download
memory/204-185-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/204-184-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/204-0-0x0000000000CB0000-0x0000000000CCA000-memory.dmp

Filesize
104KB

Download
memory/204-183-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-9-0x000001D837AC0000-0x000001D837B36000-memory.dmp

Filesize
472KB

Download
memory/292-52-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-51-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-41-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-20-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-11-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-10-0x00007FFA9F7A0000-0x00007FFAA018C000-memory.dmp

Filesize
9.9MB

Download
memory/292-6-0x000001D837910000-0x000001D837932000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads