xworm | b0270e43b5e8a68a3ff7accd412e3d6ce7e14a2eed5026bdc8a890071e88852f

Analysis

max time kernel
73s
max time network
76s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 12:30

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Solarabootstrapper.exe
Size

34KB
MD5

43bdc46bece931871532bc6799ffa84f
SHA1

4c9a011282e52e8805f5ee23decbbea6f769c9cd
SHA256

b0270e43b5e8a68a3ff7accd412e3d6ce7e14a2eed5026bdc8a890071e88852f
SHA512

825042f237fbf834a11d7af3fc28cc0a5288e420664371b1834501a4f25ffd113d465d212ed95c82ab70022348a32768832764f3f2bf9d1d67fb1532b84a8363
SSDEEP

384:QxxaXVqG28uymzhzUuHnOmYxLm9qCwvHixdTD2VR8pkFTBLTIZwYGDcvw9Ikuis:yaXUzPi9wqC4CaV9FZ9jz/2OjhE/4D

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

terms-lands.gl.at.ply.gg:1770

Mutex

IEDKlCyhDzrgbOXA

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4856-0-0x00000000001A0000-0x00000000001AE000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedge.lnk	Solarabootstrapper.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msedge.lnk	Solarabootstrapper.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\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	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\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\DWM\EnableWindowColorization = "212"	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\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	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\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	Solarabootstrapper.exe
Token: SeShutdownPrivilege	2944	shutdown.exe
Token: SeRemoteShutdownPrivilege	2944	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5008	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 2944	4856	Solarabootstrapper.exe	87
PID 4856 wrote to memory of 2944	4856	Solarabootstrapper.exe	87

C:\Users\Admin\AppData\Local\Temp\Solarabootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Solarabootstrapper.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3966855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4856-0-0x00000000001A0000-0x00000000001AE000-memory.dmp

Filesize
56KB

Download
memory/4856-1-0x00007FFAA0093000-0x00007FFAA0095000-memory.dmp

Filesize
8KB

Download
memory/4856-5-0x00007FFAA0090000-0x00007FFAA0B51000-memory.dmp

Filesize
10.8MB

Download
memory/4856-6-0x000000001AEF0000-0x000000001AEFC000-memory.dmp

Filesize
48KB

Download
memory/4856-7-0x00007FFAA0090000-0x00007FFAA0B51000-memory.dmp

Filesize
10.8MB

Download
memory/4856-9-0x00007FFAA0090000-0x00007FFAA0B51000-memory.dmp

Filesize
10.8MB

Download