xworm | 49ea02a2e7f76432f2b474d07bbdd250543671e084e5e8c99a096b46af30d95d

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 13:54

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General

Target

tmp.exe
Size

38KB
MD5

c07bd6f1db41c8a777f7315b254e9c42
SHA1

6151b17545888c1304e8b6b28a2071fe94c9e79f
SHA256

49ea02a2e7f76432f2b474d07bbdd250543671e084e5e8c99a096b46af30d95d
SHA512

83979cc3f66d72931815be5a283b754c7a972fd1dbcf0df500f93e3c4d221407a26b047e8c6ec9f65113f2846db0aad46d88bf3cf8a3b8c47d26a0485155f8dd
SSDEEP

384:uRpzjSrmqWzFVTD+i8cEv2uBLYRVAGpK94rFo1c0/pkFMAzNLTOZwg3OcvK9IbjD:iFuCzADYRy94Bo1cTFh9P8OMhS4j

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

79.133.57.122:7000

Mutex

pvC9E3QrtLsVzQQr

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3784-0-0x00000000009F0000-0x0000000000A00000-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\XClient.lnk	tmp.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	tmp.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
3784	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3784	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3784-0-0x00000000009F0000-0x0000000000A00000-memory.dmp

Filesize
64KB

Download
memory/3784-1-0x00007FFBCA4F0000-0x00007FFBCAFB1000-memory.dmp

Filesize
10.8MB

Download
memory/3784-6-0x0000000001220000-0x0000000001230000-memory.dmp

Filesize
64KB

Download
memory/3784-7-0x00007FFBCA4F0000-0x00007FFBCAFB1000-memory.dmp

Filesize
10.8MB

Download
memory/3784-8-0x0000000001220000-0x0000000001230000-memory.dmp

Filesize
64KB

Download