xworm | dcdd4e4fe6d9753c3a126b7a6e5580f842f64a6ff9cbddc0b4d108fb50cb02b6

Analysis

max time kernel
136s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 04:58

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General

Target

dcdd4e4fe6d9753c3a126b7a6e5580f842f64a6ff9cbddc0b4d108fb50cb02b6.ps1
Size

195KB
MD5

b8fd1dea2f1bb4cee3fa500d489124e3
SHA1

60f95b4a76ca8e8168df95545c196761d809d0ae
SHA256

dcdd4e4fe6d9753c3a126b7a6e5580f842f64a6ff9cbddc0b4d108fb50cb02b6
SHA512

f0a622b5e8147880a44fda150a1bcbaff7b5a3256b72ee4b0e342ffbf845cc1e206c51253d9d6f3cc8b9f667c3f9a733ac15ae231896fe85ff36432d9b57ebde
SSDEEP

6144:T3NC3EKsyh4ciFTdTM2JiW0tDCfQHsQIOGL81wk5q+l5QhYUSX1AcbdxXSFciQUH:TLKOSs

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

176.113.115.170:4413

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2044-15-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1176 set thread context of 2044	1176	powershell.exe	85

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1176	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1176	powershell.exe
1176	powershell.exe
1176	powershell.exe
1176	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	powershell.exe
Token: SeDebugPrivilege	2044	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4140	1176	powershell.exe	84
PID 1176 wrote to memory of 4140	1176	powershell.exe	84
PID 1176 wrote to memory of 4140	1176	powershell.exe	84
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85
PID 1176 wrote to memory of 2044	1176	powershell.exe	85

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\dcdd4e4fe6d9753c3a126b7a6e5580f842f64a6ff9cbddc0b4d108fb50cb02b6.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0y1muszz.yda.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1176-14-0x000002119A890000-0x000002119A896000-memory.dmp

Filesize
24KB

Download
memory/1176-16-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

Filesize
10.8MB

Download
memory/1176-11-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

Filesize
10.8MB

Download
memory/1176-12-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

Filesize
10.8MB

Download
memory/1176-13-0x000002119AA50000-0x000002119AA6C000-memory.dmp

Filesize
112KB

Download
memory/1176-0-0x00007FFE55323000-0x00007FFE55325000-memory.dmp

Filesize
8KB

Download
memory/1176-19-0x00007FFE55320000-0x00007FFE55DE1000-memory.dmp

Filesize
10.8MB

Download
memory/1176-10-0x00000211B3160000-0x00000211B3182000-memory.dmp

Filesize
136KB

Download
memory/2044-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2044-20-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/2044-21-0x0000000005980000-0x0000000005A1C000-memory.dmp

Filesize
624KB

Download
memory/2044-22-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2044-23-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/2044-24-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download