xworm | bf9aa92f6d38bac626f8063ea8842431ca0c920b919a37e7cac502a86b16b0b9

Analysis

max time kernel
148s
max time network
151s
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 03:52

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General

Target

bf9aa92f6d38bac626f8063ea8842431ca0c920b919a37e7cac502a86b16b0b9.ps1
Size

197KB
MD5

e124157225a59d8e04e4599a5c85b189
SHA1

cded47561dfb19922075c42db778ab9a7c0b0ed4
SHA256

bf9aa92f6d38bac626f8063ea8842431ca0c920b919a37e7cac502a86b16b0b9
SHA512

9d50cb8d58d36d772344902649dbbe39540116111e000c0b58e529756bd1bb85e38c1254cc090b41a7d02bd7cb7bfb54e34d0c295c586993c83b2186f997e73e
SSDEEP

6144:T3NC3EKsyh4ciFTdTM2JiW0tDCfQHsQIOGL81wk5q+l5QhYUSX1AcbdxXSFcmfy:TLK0y

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

85.209.11.15:4404

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5036-15-0x0000000000400000-0x0000000000416000-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 960 set thread context of 5036	960	powershell.exe	89

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
960	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
960	powershell.exe
960	powershell.exe
960	powershell.exe
960	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	960	powershell.exe
Token: SeDebugPrivilege	5036	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 2984	960	powershell.exe	88
PID 960 wrote to memory of 2984	960	powershell.exe	88
PID 960 wrote to memory of 2984	960	powershell.exe	88
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89
PID 960 wrote to memory of 5036	960	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\bf9aa92f6d38bac626f8063ea8842431ca0c920b919a37e7cac502a86b16b0b9.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2984
- 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:5036

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zrkbpr0e.3ux.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/960-14-0x000001DB34200000-0x000001DB34206000-memory.dmp

Filesize
24KB

Download
memory/960-16-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

Filesize
10.8MB

Download
memory/960-11-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

Filesize
10.8MB

Download
memory/960-12-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

Filesize
10.8MB

Download
memory/960-13-0x000001DB341E0000-0x000001DB341FC000-memory.dmp

Filesize
112KB

Download
memory/960-0-0x00007FFD64AA3000-0x00007FFD64AA5000-memory.dmp

Filesize
8KB

Download
memory/960-21-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

Filesize
10.8MB

Download
memory/960-10-0x000001DB31E30000-0x000001DB31E52000-memory.dmp

Filesize
136KB

Download
memory/960-19-0x00007FFD64AA0000-0x00007FFD65561000-memory.dmp

Filesize
10.8MB

Download
memory/5036-20-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/5036-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5036-22-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/5036-23-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/5036-24-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download