xworm | e17cee2ea6241540d5587ba18bc37d66bd7098b348f7e4e652ba614550520ef2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 09:25

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General

Target

92.255.57.155.ps1
Size

151KB
MD5

783f7905ed7e683c128c1e484cffbf63
SHA1

9d01f9ebfab037db4357d077b7284cf1edbce853
SHA256

e17cee2ea6241540d5587ba18bc37d66bd7098b348f7e4e652ba614550520ef2
SHA512

e5840308d51d162b0f1ae3e59d013d55e0aaf2381911ae5ee6246641a5f157e13f07eb87e52d2e327ac590f532fb32584e64ba82cabd3645c36debd5c4b0e55c
SSDEEP

3072:SB7VzghaUYePuBkEx9W2a4OlnlMDFQ9vBzAqx9aKVo6sQ4aR6H:SB5VePtS9W2a4OlnlMp4PVsQ4i6H

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

92.255.57.155:4411

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3424-15-0x0000000000400000-0x0000000000412000-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 4444 set thread context of 3424	4444	powershell.exe	84

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4444	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 2 IoCs

pid	Process
4444	powershell.exe
4444	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	powershell.exe
Token: SeDebugPrivilege	3424	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84
PID 4444 wrote to memory of 3424	4444	powershell.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\92.255.57.155.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444
- 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:3424

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_3m3kptfu.v35.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3424-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3424-23-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3424-22-0x00000000052A0000-0x00000000052B0000-memory.dmp

Filesize
64KB

Download
memory/3424-21-0x0000000005080000-0x000000000511C000-memory.dmp

Filesize
624KB

Download
memory/3424-16-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/4444-14-0x0000020673420000-0x0000020673426000-memory.dmp

Filesize
24KB

Download
memory/4444-0-0x00007FFCD9873000-0x00007FFCD9875000-memory.dmp

Filesize
8KB

Download
memory/4444-13-0x0000020673410000-0x000002067342A000-memory.dmp

Filesize
104KB

Download
memory/4444-17-0x00000206727E0000-0x00000206727F0000-memory.dmp

Filesize
64KB

Download
memory/4444-20-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/4444-12-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/4444-11-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

Filesize
10.8MB

Download
memory/4444-6-0x00000206732E0000-0x0000020673302000-memory.dmp

Filesize
136KB

Download