xworm | bf49f61f7454f0c50a28c8856c4dfeb2c6884b9fe5ff9335a28725b530f9a9a3

Analysis

max time kernel
148s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
08-06-2024 21:41

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General

Target

Spoofer.exe
Size

36KB
MD5

9e5098fe32abdb06e3245f4ac8de9c9f
SHA1

f0dc06a99f7c40fef4f104494a5c70d4142676cf
SHA256

bf49f61f7454f0c50a28c8856c4dfeb2c6884b9fe5ff9335a28725b530f9a9a3
SHA512

6323f16ffcfc1e7ec6a799d6d0e642183d48376cc1a48757ac11f2918cccba39bc3094c4103f2bcce357e909fcb4c6a8e7ccd19341188f429fed6dc0dc736568
SSDEEP

768:sv+GfhaA5B55q7TN+q46dSytcoiPizFs98T/WOjh0E/tc:svfhaA5B55q7BrdLviPYFs98rWOjj1c

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

147.185.221.20:15984

chinese-lens.gl.at.ply.gg:15984

Mutex

tvYpp7NasWPrWmlc

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4928-1-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

Processes:

Spoofer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Spoofer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Spoofer.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Spoofer.exe

description pid process

Token: SeDebugPrivilege 4928 Spoofer.exe

flow	ioc
1	ip-api.com

description	pid	process
Token: SeDebugPrivilege	4928	Spoofer.exe

C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:4928

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4928-0-0x00007FFE59E73000-0x00007FFE59E75000-memory.dmp

Filesize
8KB

Download
memory/4928-1-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4928-2-0x00007FFE59E70000-0x00007FFE5A932000-memory.dmp

Filesize
10.8MB

Download
memory/4928-7-0x00007FFE59E73000-0x00007FFE59E75000-memory.dmp

Filesize
8KB

Download
memory/4928-8-0x00007FFE59E70000-0x00007FFE5A932000-memory.dmp

Filesize
10.8MB

Download