xworm | d99f3b5b99dd6857fd12974b2f292ba7c59d0b99858ed0d1d2d20aeb9b63419c

Analysis

max time kernel
92s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 16:46

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General

Target

No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe
Size

925KB
MD5

995d3084d0fd6ccc4e85d09b6ca30c12
SHA1

847e8e0116cf85d2a11febab9d0d4c565730aa41
SHA256

cdeab2d0f4995ca3c36fbf98045f7c0ea46f85f47e51b05b14dec1919eaccb81
SHA512

6ce973bb3a6c703763136c4a68bc42724a9caf555115f9810de50edaca1bc7681767b9ceee8cd3cad6720720ad27506f21ad87a98d9f020ce3272ae41e327404
SSDEEP

12288:SY1xBOrpw3Wf+6vk7A5oItYHvmpMxmtPWAl2Rbf+/Zc+hJeg5RrMlT5jwM/FOXJT:SPVqWZvkWoImvOVPWAARbfmZcEAjZ/y

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

87.120.116.179:1300

Mutex

aMI0xjUDQCeZl19j

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral2/memory/3316-7-0x0000000000400000-0x00000000004EC000-memory.dmp	family_xworm
behavioral2/memory/3316-9-0x0000000000400000-0x00000000004EC000-memory.dmp	family_xworm
behavioral2/memory/2676-8-0x0000000000950000-0x0000000000960000-memory.dmp	family_xworm
behavioral2/memory/3316-11-0x0000000000400000-0x00000000004EC000-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 3316 set thread context of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 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	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2676	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	csc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2676	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94
PID 3316 wrote to memory of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94
PID 3316 wrote to memory of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94
PID 3316 wrote to memory of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94
PID 3316 wrote to memory of 2676	3316	No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe	94

C:\Users\Admin\AppData\Local\Temp\No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe
"C:\Users\Admin\AppData\Local\Temp\No 00014052024 3 DE DICIEMBRE DE 2024 COBRO JURÍDICO VIGENTE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

memory/2676-14-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/2676-21-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-20-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/2676-19-0x0000000006950000-0x00000000069B6000-memory.dmp

Filesize
408KB

Download
memory/2676-18-0x0000000006080000-0x000000000608A000-memory.dmp

Filesize
40KB

Download
memory/2676-17-0x00000000067B0000-0x0000000006842000-memory.dmp

Filesize
584KB

Download
memory/2676-16-0x0000000074D00000-0x00000000754B0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-8-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/2676-15-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/2676-13-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/3316-7-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-11-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-12-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/3316-9-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-6-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-1-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/3316-4-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-2-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3316-0-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download