xworm | fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192

Analysis

max time kernel
141s
max time network
147s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-04-2023 09:57

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General

Target

XWorm.exe
Size

40KB
MD5

c972d891311369e3c9c563a0aea3397c
SHA1

3d7359a43a29373950efa72720014a7ce2e5a484
SHA256

fd8591b5b854c15fbdd4206aa8d7d6fab8082db2cd2d2e9fd983c1bd7e642192
SHA512

c712e7fefdb2c9bf618177a836f8a2abd8b72e40feb47abad6fb403e56cf363d222f34aed6a18f2409661e579b733204fef0c40ffa99663208a520d53127cced
SSDEEP

768:+e5ebFbV9gZtYqK0PAucy97KdV2ULT0RS6:+e5I39gZtYxyhOZsk6

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

212.154.51.245:90

Mutex

1LUc76wvVlPiBinl

Attributes

install_file
USB.exe

aes.plain

Signatures

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\XWorm.exe	XWorm.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm.exe	XWorm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\XWorm = "C:\\Users\\Admin\\AppData\\Roaming\\XWorm.exe"	XWorm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	668	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	668	AUDIODG.EXE
Token: 33	668	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	668	AUDIODG.EXE

C:\Users\Admin\AppData\Local\Temp\XWorm.exe
"C:\Users\Admin\AppData\Local\Temp\XWorm.exe"
1⤵
- Drops startup file
- Adds Run key to start application
PID:1328

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1984

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x54c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1328-54-0x0000000000190000-0x00000000001A0000-memory.dmp

Filesize
64KB

Download
memory/1328-58-0x000000001AD20000-0x000000001ADA0000-memory.dmp

Filesize
512KB

Download
memory/1328-59-0x000000001AD20000-0x000000001ADA0000-memory.dmp

Filesize
512KB

Download