xworm | aee4ca6b2f3b07e85920f81b32acc5350d198439b181e997cd6a8e3ecbe9c939

Resubmissions

21-01-2025 19:47

250121-yh2aqsyka1 10

21-01-2025 18:24

250121-w14gpswnbt 10

Analysis

max time kernel
28s
max time network
29s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 18:24

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Reason

Machine shutdown

Report Analysis Logs

General

Target

popi.exe
Size

79KB
MD5

810d912112f579781879ada392b70a53
SHA1

247bc212d2d44184bae484049765240ac9fa5c32
SHA256

aee4ca6b2f3b07e85920f81b32acc5350d198439b181e997cd6a8e3ecbe9c939
SHA512

30fb6d77563a3a0d6b94a9ea9fc2f67c6dda3dc3ac2afd4e968ec998f2eabd1797d751fdac491a979e68301efc633c47fb2668a8abd0c5f0dcff6d12ed8ead0e
SSDEEP

1536:N/SpZjwaZD0YqEnwqaDrMk+bXxNEPZSBVGGmMRZOf4miljMt8xwR2:CEYqEwjrv+bB8DMRZOf4m8M+a2

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

daily-sexually.gl.at.ply.gg:25670

Attributes

Install_directory
%AppData%
install_file
Update.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4956-1-0x0000000000110000-0x000000000012A000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk	popi.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk	popi.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\Update.exe"	popi.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\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\ColorizationBlurBalance = "1"	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\DWM\AccentColor = "4292311040"	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\Explorer\Accent	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\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 = "218"	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\ColorizationColor = "3288365271"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4956	popi.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	popi.exe
Token: SeDebugPrivilege	4956	popi.exe
Token: SeShutdownPrivilege	3592	shutdown.exe
Token: SeRemoteShutdownPrivilege	3592	shutdown.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4956	popi.exe
4044	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 3592	4956	popi.exe	90
PID 4956 wrote to memory of 3592	4956	popi.exe	90

C:\Users\Admin\AppData\Local\Temp\popi.exe
"C:\Users\Admin\AppData\Local\Temp\popi.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3592

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39a7855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

memory/4956-0-0x00007FFD31403000-0x00007FFD31405000-memory.dmp

Filesize
8KB

Download
memory/4956-1-0x0000000000110000-0x000000000012A000-memory.dmp

Filesize
104KB

Download
memory/4956-6-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4956-7-0x00007FFD31403000-0x00007FFD31405000-memory.dmp

Filesize
8KB

Download
memory/4956-8-0x0000000002390000-0x000000000239C000-memory.dmp

Filesize
48KB

Download
memory/4956-9-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download
memory/4956-10-0x00007FFD31400000-0x00007FFD31EC1000-memory.dmp

Filesize
10.8MB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads