xworm | 0c793df0a3d05aad1338739d5322ea6ff303fa00788593ba232845aeb4aab998

Analysis

max time kernel
149s
max time network
181s
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, 15:23

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General

Target

TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.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/5088-6-0x0000000000400000-0x00000000004EC000-memory.dmp	family_xworm
behavioral2/memory/768-7-0x0000000001260000-0x0000000001270000-memory.dmp	family_xworm
behavioral2/memory/5088-8-0x0000000000400000-0x00000000004EC000-memory.dmp	family_xworm
behavioral2/memory/5088-9-0x0000000000400000-0x00000000004EC000-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 5088 set thread context of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91

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	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
768	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	csc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
768	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91
PID 5088 wrote to memory of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91
PID 5088 wrote to memory of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91
PID 5088 wrote to memory of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91
PID 5088 wrote to memory of 768	5088	TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe	91

C:\Users\Admin\AppData\Local\Temp\TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe
"C:\Users\Admin\AppData\Local\Temp\TRANSACCION EXITOSA DICIEMBRE 3 DE 2024 VERIFICAR.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- 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:768

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/768-11-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/768-19-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/768-18-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/768-17-0x0000000007000000-0x0000000007066000-memory.dmp

Filesize
408KB

Download
memory/768-16-0x00000000064D0000-0x00000000064DA000-memory.dmp

Filesize
40KB

Download
memory/768-15-0x0000000006E50000-0x0000000006EE2000-memory.dmp

Filesize
584KB

Download
memory/768-7-0x0000000001260000-0x0000000001270000-memory.dmp

Filesize
64KB

Download
memory/768-14-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/768-13-0x0000000006500000-0x0000000006AA4000-memory.dmp

Filesize
5.6MB

Download
memory/768-12-0x0000000005A30000-0x0000000005ACC000-memory.dmp

Filesize
624KB

Download
memory/5088-4-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-10-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/5088-9-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-8-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-3-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-1-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/5088-5-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-6-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/5088-0-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download