xworm | baa8ace81d5e51f20fea99bf6b8de26c594a2011b670883304e085e5a9847eb2

Analysis

max time kernel
57s
max time network
58s
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 20:38

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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/3508-1-0x0000000000390000-0x00000000003AA000-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
3528	powershell.exe
3380	powershell.exe
420	powershell.exe
680	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-1-5-21-160447019-1232603106-4168707212-1000\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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	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\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\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	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
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
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\ColorizationAfterglow = "3288365271"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3528	powershell.exe
3528	powershell.exe
3528	powershell.exe
3380	powershell.exe
3380	powershell.exe
3380	powershell.exe
420	powershell.exe
420	powershell.exe
420	powershell.exe
680	powershell.exe
680	powershell.exe
680	powershell.exe
3508	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	XClient.exe
Token: SeDebugPrivilege	3528	powershell.exe
Token: SeIncreaseQuotaPrivilege	3528	powershell.exe
Token: SeSecurityPrivilege	3528	powershell.exe
Token: SeTakeOwnershipPrivilege	3528	powershell.exe
Token: SeLoadDriverPrivilege	3528	powershell.exe
Token: SeSystemProfilePrivilege	3528	powershell.exe
Token: SeSystemtimePrivilege	3528	powershell.exe
Token: SeProfSingleProcessPrivilege	3528	powershell.exe
Token: SeIncBasePriorityPrivilege	3528	powershell.exe
Token: SeCreatePagefilePrivilege	3528	powershell.exe
Token: SeBackupPrivilege	3528	powershell.exe
Token: SeRestorePrivilege	3528	powershell.exe
Token: SeShutdownPrivilege	3528	powershell.exe
Token: SeDebugPrivilege	3528	powershell.exe
Token: SeSystemEnvironmentPrivilege	3528	powershell.exe
Token: SeRemoteShutdownPrivilege	3528	powershell.exe
Token: SeUndockPrivilege	3528	powershell.exe
Token: SeManageVolumePrivilege	3528	powershell.exe
Token: 33	3528	powershell.exe
Token: 34	3528	powershell.exe
Token: 35	3528	powershell.exe
Token: 36	3528	powershell.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeIncreaseQuotaPrivilege	3380	powershell.exe
Token: SeSecurityPrivilege	3380	powershell.exe
Token: SeTakeOwnershipPrivilege	3380	powershell.exe
Token: SeLoadDriverPrivilege	3380	powershell.exe
Token: SeSystemProfilePrivilege	3380	powershell.exe
Token: SeSystemtimePrivilege	3380	powershell.exe
Token: SeProfSingleProcessPrivilege	3380	powershell.exe
Token: SeIncBasePriorityPrivilege	3380	powershell.exe
Token: SeCreatePagefilePrivilege	3380	powershell.exe
Token: SeBackupPrivilege	3380	powershell.exe
Token: SeRestorePrivilege	3380	powershell.exe
Token: SeShutdownPrivilege	3380	powershell.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeSystemEnvironmentPrivilege	3380	powershell.exe
Token: SeRemoteShutdownPrivilege	3380	powershell.exe
Token: SeUndockPrivilege	3380	powershell.exe
Token: SeManageVolumePrivilege	3380	powershell.exe
Token: 33	3380	powershell.exe
Token: 34	3380	powershell.exe
Token: 35	3380	powershell.exe
Token: 36	3380	powershell.exe
Token: SeDebugPrivilege	420	powershell.exe
Token: SeIncreaseQuotaPrivilege	420	powershell.exe
Token: SeSecurityPrivilege	420	powershell.exe
Token: SeTakeOwnershipPrivilege	420	powershell.exe
Token: SeLoadDriverPrivilege	420	powershell.exe
Token: SeSystemProfilePrivilege	420	powershell.exe
Token: SeSystemtimePrivilege	420	powershell.exe
Token: SeProfSingleProcessPrivilege	420	powershell.exe
Token: SeIncBasePriorityPrivilege	420	powershell.exe
Token: SeCreatePagefilePrivilege	420	powershell.exe
Token: SeBackupPrivilege	420	powershell.exe
Token: SeRestorePrivilege	420	powershell.exe
Token: SeShutdownPrivilege	420	powershell.exe
Token: SeDebugPrivilege	420	powershell.exe
Token: SeSystemEnvironmentPrivilege	420	powershell.exe
Token: SeRemoteShutdownPrivilege	420	powershell.exe
Token: SeUndockPrivilege	420	powershell.exe
Token: SeManageVolumePrivilege	420	powershell.exe
Token: 33	420	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3508	XClient.exe
1928	LogonUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3528	3508	XClient.exe	73
PID 3508 wrote to memory of 3528	3508	XClient.exe	73
PID 3508 wrote to memory of 3380	3508	XClient.exe	76
PID 3508 wrote to memory of 3380	3508	XClient.exe	76
PID 3508 wrote to memory of 420	3508	XClient.exe	78
PID 3508 wrote to memory of 420	3508	XClient.exe	78
PID 3508 wrote to memory of 680	3508	XClient.exe	80
PID 3508 wrote to memory of 680	3508	XClient.exe	80
PID 3508 wrote to memory of 2116	3508	XClient.exe	83
PID 3508 wrote to memory of 2116	3508	XClient.exe	83

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:3508
- 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:3528
- 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:3380
- 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:420
- 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:680
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  PID:2116

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ae6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1928

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
e1f9a8569295479153f68057f01303b6

SHA1
8e86dc051047fcf2c07c2290a6fccff2d01eb0de

SHA256
cef4f31ae3757144d7be298ff51b62391e27d6818ab9e4052114b6d83ffbe7ce

SHA512
5e3545c21757ba47007e56bd9060abb91041d43f82fb67d71f19c2a1b870a73dd66bd3cb80b51dc5e500000ee48ff5ce5d5f7ff331fb7787b05866c8211754ea

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

Filesize
1KB

MD5
1f4b0e4f2095c2e18d1c5e30f920c71c

SHA1
28c20ecc3e4659bcdfc7c74274345d08d0772c45

SHA256
c661d192e0dbf12ab419f66cb84cdfd43f5bee41c61d97b3b57be6c9fe7f89ba

SHA512
79ed011cb4aab052b19bc564e365700dcb4820f9861ac69a8449fcd2de05599c61bd5912359f22b2be30966489633f61a70dca31e2be1159cd832b4ed8e6e022

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

Filesize
1KB

MD5
2c2b940988d1b52ea721fe23d4219f59

SHA1
6cecbe6cf36fde2729c81903ff92b8bd46f5c50d

SHA256
74056737a14b44ae138b3f13fcc45f86b311bf47f6bbe8486a4185c4b720c450

SHA512
31ba2532317473b532711ebb04ec7b6bb067fe8fc99dcd2dc9cc500068c169bfc59e605aa71922aef345c17805cba536434e2e525f2727da85b1fcaff085a3a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cxovtjch.e41.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/3508-1-0x0000000000390000-0x00000000003AA000-memory.dmp

Filesize
104KB

Download
memory/3508-186-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3508-185-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3508-0-0x00007FFAEF893000-0x00007FFAEF894000-memory.dmp

Filesize
4KB

Download
memory/3508-184-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-11-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-52-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-51-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-41-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-10-0x000001DF7B220000-0x000001DF7B296000-memory.dmp

Filesize
472KB

Download
memory/3528-12-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-9-0x00007FFAEF890000-0x00007FFAF027C000-memory.dmp

Filesize
9.9MB

Download
memory/3528-6-0x000001DF7B070000-0x000001DF7B092000-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