xworm | 3a8ee51971cbd794a3e87c71e628108de2d87a750668b70c4baae3c0f8eda65a

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 14:50

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General

Target

Spoofer.exe
Size

68KB
MD5

0a1f42ae1cba0eca4a9f30a1e8afaa9e
SHA1

5fe21210113286d6e01669d36e6c767e8a0acfbc
SHA256

3a8ee51971cbd794a3e87c71e628108de2d87a750668b70c4baae3c0f8eda65a
SHA512

b41f50e5506725a1edbf0852ea96636717c016746fed23082c72510eb7f5cfaebe03e2d7a64b7b59921e72e2115dc8cd060457bbb3fe11d787c8dc01d1fd9f4d
SSDEEP

1536:V0FP7mVlUrMcNjDeReRqwFiMIbMGFuwjnTt1OWkXuhWN95Q:V0F8UwcNXAsnpIbMGFtHOWid5Q

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

kind-sofa.gl.at.ply.gg:31503

Attributes

Install_directory
%ProgramData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1692-1-0x0000000000010000-0x0000000000028000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

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

flow	ioc
11	ip-api.com

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\Recovery	ReAgentc.exe
File opened for modification	C:\Windows\system32\Recovery\ReAgent.xml	ReAgentc.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Logs\ReAgent\ReAgent.log	ReAgentc.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	ReAgentc.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	ReAgentc.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	ReAgentc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	Spoofer.exe
Token: SeDebugPrivilege	1692	Spoofer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 3080	1692	Spoofer.exe	96
PID 1692 wrote to memory of 3080	1692	Spoofer.exe	96
PID 1692 wrote to memory of 3304	1692	Spoofer.exe	101
PID 1692 wrote to memory of 3304	1692	Spoofer.exe	101
PID 3304 wrote to memory of 5040	3304	CMD.EXE	103
PID 3304 wrote to memory of 5040	3304	CMD.EXE	103

C:\Users\Admin\AppData\Local\Temp\Spoofer.exe
"C:\Users\Admin\AppData\Local\Temp\Spoofer.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\SYSTEM32\CMD.EXE
  "CMD.EXE"
  2⤵
  PID:3080
- C:\Windows\SYSTEM32\CMD.EXE
  "CMD.EXE"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3304
- - C:\Windows\system32\ReAgentc.exe
    reagentc /disable
    3⤵
    - Drops file in System32 directory
    - Drops file in Windows directory
    PID:5040

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/1692-0-0x00007FFF4B9E3000-0x00007FFF4B9E5000-memory.dmp

Filesize
8KB

Download
memory/1692-1-0x0000000000010000-0x0000000000028000-memory.dmp

Filesize
96KB

Download
memory/1692-2-0x00007FFF4B9E0000-0x00007FFF4C4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1692-7-0x00007FFF4B9E0000-0x00007FFF4C4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1692-8-0x000000001BCA0000-0x000000001BCAA000-memory.dmp

Filesize
40KB

Download