xworm | 4b2490fd2dd85344efb6f8ea04e713a243a846e616a6004c86b7ad13643df893

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 00:39

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General

Target
XClient.exe
Size 38KB
Sample240410-azvyaabb27
SHA256 4b2490fd2dd85344efb6f8ea04e713a243a846e616a6004c86b7ad13643df893
MD5 1450da83cde0b3f8e6f42839f162a7c8
SHA1 be79534c5845c0a3d7baa6bf11e770f7fd4f5f93
SHA512 7ed9ca246eded019693220e37a2a489401617ef102e6ba1dcc081b34f92113a19d9e15cafa7a54a30c54ab270f2dc6e6ee5a6f3f73fce6d3696230eb4b4bb69b
SSDEEP 768:4TpYyBckaQ67hbtKAnTHd3gb77FWPx9Wv6OMh9jAz5E:8p9iPK4HBQF+9Wv6OMTEE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

127.0.0.1:23638
209.25.140.1:5525:23638
bring-recorder.gl.at.ply.gg:23638
action-yesterday.gl.at.ply.gg:23638
147.185.221.19:23638
then-wheel.gl.at.ply.gg::23638
then-wheel.gl.at.ply.gg:23638
teen-modes.gl.at.ply.gg:23638

Mutex

crGLGnAuOHwBfUue

Attributes

Install_directory
%AppData%
install_file
uwumonster.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000A50000-0x0000000000A60000-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\uwumonster.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uwumonster.lnk	XClient.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	XClient.exe
4544	XClient.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	XClient.exe
Token: SeDebugPrivilege	4544	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4544	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:4544

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2272,i,1589057049575649654,2929151440327217574,262144 --variations-seed-version /prefetch:8
1⤵
PID:3556

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/4544-0-0x0000000000A50000-0x0000000000A60000-memory.dmp

Download

memory/4544-1-0x00007FFB76D20000-0x00007FFB777E1000-memory.dmp

Download

memory/4544-6-0x0000000001880000-0x0000000001890000-memory.dmp

Download

memory/4544-7-0x00000000016D0000-0x00000000016F9000-memory.dmp

Download

memory/4544-8-0x0000000001830000-0x000000000186B000-memory.dmp

Download

memory/4544-11-0x00007FFB76D20000-0x00007FFB777E1000-memory.dmp

Download

memory/4544-12-0x0000000001880000-0x0000000001890000-memory.dmp

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