xworm | 87691704b786ec42143c6794d5e93d54281eee53f1bc2afef2ee7c3dd519e7e7

Analysis

max time kernel
43s
max time network
48s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
12-11-2024 16:41

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General

Target

NLHybridFix.exe
Size

58KB
MD5

c3b1e239158216c0e53e010cd11b585e
SHA1

09ce0344271fb567156c980aa35eb4c49e3abe94
SHA256

87691704b786ec42143c6794d5e93d54281eee53f1bc2afef2ee7c3dd519e7e7
SHA512

1076a3b7d4c755542f3694a7dd526ad00ad7a45c19e3af0b3538f9a9407846b3ed4f0d97f901f6517b12c6a6c98815c86eb513a378ca7dd98ee02d2086c46458
SSDEEP

1536:wW77QtaV/VdNCpnD1LibPqlD3oSIWOkHIHP:wpCdbCpMbPGfpOkHqP

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:25385

bill-johnson.gl.at.ply.gg:25385

Attributes

Install_directory
%Public%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1832-1-0x0000000000040000-0x0000000000054000-memory.dmp	family_xworm

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018527317-446799424-2810249686-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	NLHybridFix.exe

C:\Users\Admin\AppData\Local\Temp\NLHybridFix.exe
"C:\Users\Admin\AppData\Local\Temp\NLHybridFix.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1832

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:2688

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:3760

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1832-0-0x00007FFCA7333000-0x00007FFCA7335000-memory.dmp

Filesize
8KB

Download
memory/1832-1-0x0000000000040000-0x0000000000054000-memory.dmp

Filesize
80KB

Download
memory/1832-2-0x00007FFCA7330000-0x00007FFCA7DF2000-memory.dmp

Filesize
10.8MB

Download
memory/1832-3-0x00007FFCA7330000-0x00007FFCA7DF2000-memory.dmp

Filesize
10.8MB

Download