xworm | baa8ace81d5e51f20fea99bf6b8de26c594a2011b670883304e085e5a9847eb2

Analysis

max time kernel
28s
max time network
34s
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, 20:40

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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
behavioral1/memory/4472-0-0x0000000000B50000-0x0000000000B6A000-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
2236	powershell.exe
4708	powershell.exe
1456	powershell.exe
1364	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	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\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\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1456	powershell.exe
1456	powershell.exe
1456	powershell.exe
1364	powershell.exe
1364	powershell.exe
1364	powershell.exe
2236	powershell.exe
2236	powershell.exe
2236	powershell.exe
4708	powershell.exe
4708	powershell.exe
4708	powershell.exe
4472	XClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4472	XClient.exe
Token: SeDebugPrivilege	1456	powershell.exe
Token: SeIncreaseQuotaPrivilege	1456	powershell.exe
Token: SeSecurityPrivilege	1456	powershell.exe
Token: SeTakeOwnershipPrivilege	1456	powershell.exe
Token: SeLoadDriverPrivilege	1456	powershell.exe
Token: SeSystemProfilePrivilege	1456	powershell.exe
Token: SeSystemtimePrivilege	1456	powershell.exe
Token: SeProfSingleProcessPrivilege	1456	powershell.exe
Token: SeIncBasePriorityPrivilege	1456	powershell.exe
Token: SeCreatePagefilePrivilege	1456	powershell.exe
Token: SeBackupPrivilege	1456	powershell.exe
Token: SeRestorePrivilege	1456	powershell.exe
Token: SeShutdownPrivilege	1456	powershell.exe
Token: SeDebugPrivilege	1456	powershell.exe
Token: SeSystemEnvironmentPrivilege	1456	powershell.exe
Token: SeRemoteShutdownPrivilege	1456	powershell.exe
Token: SeUndockPrivilege	1456	powershell.exe
Token: SeManageVolumePrivilege	1456	powershell.exe
Token: 33	1456	powershell.exe
Token: 34	1456	powershell.exe
Token: 35	1456	powershell.exe
Token: 36	1456	powershell.exe
Token: SeDebugPrivilege	1364	powershell.exe
Token: SeIncreaseQuotaPrivilege	1364	powershell.exe
Token: SeSecurityPrivilege	1364	powershell.exe
Token: SeTakeOwnershipPrivilege	1364	powershell.exe
Token: SeLoadDriverPrivilege	1364	powershell.exe
Token: SeSystemProfilePrivilege	1364	powershell.exe
Token: SeSystemtimePrivilege	1364	powershell.exe
Token: SeProfSingleProcessPrivilege	1364	powershell.exe
Token: SeIncBasePriorityPrivilege	1364	powershell.exe
Token: SeCreatePagefilePrivilege	1364	powershell.exe
Token: SeBackupPrivilege	1364	powershell.exe
Token: SeRestorePrivilege	1364	powershell.exe
Token: SeShutdownPrivilege	1364	powershell.exe
Token: SeDebugPrivilege	1364	powershell.exe
Token: SeSystemEnvironmentPrivilege	1364	powershell.exe
Token: SeRemoteShutdownPrivilege	1364	powershell.exe
Token: SeUndockPrivilege	1364	powershell.exe
Token: SeManageVolumePrivilege	1364	powershell.exe
Token: 33	1364	powershell.exe
Token: 34	1364	powershell.exe
Token: 35	1364	powershell.exe
Token: 36	1364	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeIncreaseQuotaPrivilege	2236	powershell.exe
Token: SeSecurityPrivilege	2236	powershell.exe
Token: SeTakeOwnershipPrivilege	2236	powershell.exe
Token: SeLoadDriverPrivilege	2236	powershell.exe
Token: SeSystemProfilePrivilege	2236	powershell.exe
Token: SeSystemtimePrivilege	2236	powershell.exe
Token: SeProfSingleProcessPrivilege	2236	powershell.exe
Token: SeIncBasePriorityPrivilege	2236	powershell.exe
Token: SeCreatePagefilePrivilege	2236	powershell.exe
Token: SeBackupPrivilege	2236	powershell.exe
Token: SeRestorePrivilege	2236	powershell.exe
Token: SeShutdownPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeSystemEnvironmentPrivilege	2236	powershell.exe
Token: SeRemoteShutdownPrivilege	2236	powershell.exe
Token: SeUndockPrivilege	2236	powershell.exe
Token: SeManageVolumePrivilege	2236	powershell.exe
Token: 33	2236	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4472	XClient.exe
2160	LogonUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 1456	4472	XClient.exe	70
PID 4472 wrote to memory of 1456	4472	XClient.exe	70
PID 4472 wrote to memory of 1364	4472	XClient.exe	73
PID 4472 wrote to memory of 1364	4472	XClient.exe	73
PID 4472 wrote to memory of 2236	4472	XClient.exe	75
PID 4472 wrote to memory of 2236	4472	XClient.exe	75
PID 4472 wrote to memory of 4708	4472	XClient.exe	77
PID 4472 wrote to memory of 4708	4472	XClient.exe	77
PID 4472 wrote to memory of 820	4472	XClient.exe	80
PID 4472 wrote to memory of 820	4472	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:4472
- 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:1456
- 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:1364
- 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:2236
- 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:4708
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  PID:820

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ae6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2160

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
37e1b5fe30d9e82110b59d8186e4dd9c

SHA1
b8ec75d1a47e2c0a0663b1b097f92bd61092d7b5

SHA256
1dc6afd03daf10d2a110a91ba6a9a4986857447b9063c545fd67348123caec7c

SHA512
e7b801883a44babf571f17fbf3c488b1962b1fe7f6217b685c528d7f593e7a32126cd17470bcb7b54e72fa2b8857555b1d5ca9b0d843bc8436b822a3ad12ab10

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

Filesize
1KB

MD5
55ea413650c0ab1cb71517ea143e86b4

SHA1
e38c305de6f97308210add35a21c68457893f66a

SHA256
ac446ac1620def0b1c914e496dad8e8e5bbef77a9a56476a27d2c380b5af2729

SHA512
81c3872a1f32eda8c88fecf97e81e07c531d8fa521563cec198bc21444ddc4fd17639aec606735ec631ccdb0342e38d05aad97aaed4ba397e610d587d61e9312

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

Filesize
1KB

MD5
cd7cd823b019e2dee91c8beec4f1ac08

SHA1
7dd2f4285c6679d7e329b2323b780dc9c4509fba

SHA256
32f3c33fff3b6a07a7a6df5dab5eaa51a3b3f07657d1dcf7558f79152775c9ee

SHA512
98423442f63f403de63f724d23b822339eebdc57f77dfbf5635e6bb0ed4470fe8fb96f9f131b01c251f6db96288f61e24157226f38c4dd64e1113702d92cb0bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1irau0wv.ggk.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/1456-8-0x000001CE75030000-0x000001CE75052000-memory.dmp

Filesize
136KB

Download
memory/1456-11-0x000001CE75760000-0x000001CE757D6000-memory.dmp

Filesize
472KB

Download
memory/1456-24-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/1456-50-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/1456-51-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/1456-7-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/1456-6-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/4472-0-0x0000000000B50000-0x0000000000B6A000-memory.dmp

Filesize
104KB

Download
memory/4472-1-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/4472-183-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/4472-184-0x00007FF90A5B0000-0x00007FF90A78B000-memory.dmp

Filesize
1.9MB

Download
memory/4472-185-0x00007FF90A5B0000-0x00007FF90A78B000-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