xworm | 5e83ca98a0a7200952afb3609975d0764d183090da422774f969e1b109b9b904

Analysis

max time kernel
148s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 09:38

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General

Target

XClient.exe
Size

329KB
MD5

51d7beb4236e50e6238389f7ede77227
SHA1

2cd6ef65f2af0d15764a94717af83d36512f3b2a
SHA256

5e83ca98a0a7200952afb3609975d0764d183090da422774f969e1b109b9b904
SHA512

2f060324a26dbabb37b9132defe703c65b00e4fc780844e58e1eff146971d09cfe8455479edd8e27c1f4bfb0ce8b0be6ffbc6042b6b5215970865b6269f15483
SSDEEP

6144:Yki6z0brsdgF+GIIIIIIIhIIIIIIIIIIIIIIIU:Y8z0si+

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:1604

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2156-1-0x0000000000480000-0x00000000004D8000-memory.dmp family_xworm
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

resource	yara_rule
behavioral1/memory/2156-1-0x0000000000480000-0x00000000004D8000-memory.dmp	family_xworm

Drops startup file 2 IoCs

Processes:

XClient.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.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 behavior: EnumeratesProcesses 1 IoCs

Processes:

XClient.exe

pid process

2156 XClient.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

XClient.exe

description pid process

Token: SeDebugPrivilege 2156 XClient.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

XClient.exe

pid process

2156 XClient.exe

flow	ioc
1	ip-api.com

pid	process
2156	XClient.exe

description	pid	process
Token: SeDebugPrivilege	2156	XClient.exe

pid	process
2156	XClient.exe

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2156

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/2156-0-0x00007FFF3C063000-0x00007FFF3C065000-memory.dmp

Filesize
8KB

Download
memory/2156-1-0x0000000000480000-0x00000000004D8000-memory.dmp

Filesize
352KB

Download
memory/2156-2-0x00007FFF3C060000-0x00007FFF3CB22000-memory.dmp

Filesize
10.8MB

Download
memory/2156-7-0x00007FFF3C060000-0x00007FFF3CB22000-memory.dmp

Filesize
10.8MB

Download