xworm | 4badc43e761b7a46c9aed5a91a47605ce590b21f2a2126203cd1f264ea6eb81f

Analysis

max time kernel
30s
max time network
27s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
10-11-2024 14:16

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General

Target

Dearquiz.exe
Size

2.7MB
MD5

ecd6e35111d8553e8c8b9a6d49120642
SHA1

f9e19739a6ec2be180eb56c95fc422d49d0d36de
SHA256

4badc43e761b7a46c9aed5a91a47605ce590b21f2a2126203cd1f264ea6eb81f
SHA512

50662478344f2079ee343499b69ba18062ba56816715baefc9f3f6a4976b26c32ea142b6b17657b03fc4b91babafa5f55fa0768309d5f8db350fca125bee3473
SSDEEP

49152:GjwzUTCh+Ha4I0ld3Ivjs+8I2m4V6PSBM3tmnWFUy1oGQhsKtAHkew6aO68:JlSaB0levem4EaBqYWfQzake

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

85.203.4.77:7000

Attributes

Install_directory
%ProgramData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000600000004475c-6.dat	family_xworm
behavioral1/memory/4796-34-0x0000000000070000-0x0000000000088000-memory.dmp	family_xworm

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	Dearquiz.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
4796	svchost.exe
3520	Dearquiz.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4796	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	svchost.exe
Token: SeDebugPrivilege	4796	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4796	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 4796	2060	Dearquiz.exe	81
PID 2060 wrote to memory of 4796	2060	Dearquiz.exe	81
PID 2060 wrote to memory of 3520	2060	Dearquiz.exe	82
PID 2060 wrote to memory of 3520	2060	Dearquiz.exe	82

C:\Users\Admin\AppData\Local\Temp\Dearquiz.exe
"C:\Users\Admin\AppData\Local\Temp\Dearquiz.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\svchost.exe
  "C:\Users\Admin\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4796
- C:\Users\Admin\Dearquiz.exe
  "C:\Users\Admin\Dearquiz.exe"
  2⤵
  - Executes dropped EXE
  PID:3520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Dearquiz.exe

Filesize
2.5MB

MD5
68268f230cf98d8c9494a955384e9448

SHA1
3c4c1dd67819c62f81aff206ff080084cc086196

SHA256
bbc1310c8b98f4b052e78f695abdf15113911d10d8e1db4a7a351b2957d8570e

SHA512
cf4508b363a6f3ed4caeea0a3af2719f997aab765d17389103315cdba842d852f93f6bef18bb6c9a6d15675fc2c54d485bfa6007170c5d5fff6bd9705688db41

Download Submit
C:\Users\Admin\svchost.exe

Filesize
69KB

MD5
5b77ac5d1b88f4e69b3485b65048810c

SHA1
5159298eba8bb888806d43381c2afe91574a13ff

SHA256
031264d45baafa3302be48ffcecc8c27261f1f34b21556889d76dbb34c1f7f78

SHA512
1bc510af0b94557e9b7e217178d4028320a2cf793bc61d643410572875a4d604268fd24937a5e04399b58430de3078d014ecd9acdd4aee48a27a0476cafdb024

Download Submit
memory/2060-0-0x00007FF818C43000-0x00007FF818C45000-memory.dmp

Filesize
8KB

Download
memory/2060-1-0x0000000000820000-0x0000000000AD0000-memory.dmp

Filesize
2.7MB

Download
memory/4796-34-0x0000000000070000-0x0000000000088000-memory.dmp

Filesize
96KB

Download
memory/4796-56-0x00007FF818C40000-0x00007FF819702000-memory.dmp

Filesize
10.8MB

Download
memory/4796-61-0x00007FF818C40000-0x00007FF819702000-memory.dmp

Filesize
10.8MB

Download