xworm | a54cb8311fd3f4351fb57dc572fef380be6dc0edc36b74cff6101753a1c08b3f

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 13:31

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General

Target

Ref_2107630.exe
Size

550KB
MD5

f13cce7934eb3007591103fede08e301
SHA1

ffbfac23978a9debdf8fab4e2d70799b81d1a067
SHA256

a54cb8311fd3f4351fb57dc572fef380be6dc0edc36b74cff6101753a1c08b3f
SHA512

a8b192a457965fc5329b698142e0f25dec61bcec4074715fdcc420622da9f6ed6ba55a672b9cb1bda905b5b5d549451b4db7534a91be449fa63d220a0ff0393c
SSDEEP

6144:LtRRUEOmuauSSLuaF26J+oProeiM3acmBJhVFFpaA2ZIr1:BYElucSKaFRJmBlFFr2Z4

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

194.59.31.174:5151

Mutex

4qOnj8VqoV2MS71I

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2332-1348-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3716 created 3512	3716	Ref_2107630.exe	56

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gtent.vbs	Ref_2107630.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3716 set thread context of 2332	3716	Ref_2107630.exe	92

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	Ref_2107630.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3716	Ref_2107630.exe
3716	Ref_2107630.exe
3716	Ref_2107630.exe
2332	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3716	Ref_2107630.exe
Token: SeDebugPrivilege	3716	Ref_2107630.exe
Token: SeDebugPrivilege	2332	InstallUtil.exe
Token: SeDebugPrivilege	2332	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2332	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92
PID 3716 wrote to memory of 2332	3716	Ref_2107630.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512
- C:\Users\Admin\AppData\Local\Temp\Ref_2107630.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_2107630.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2332

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/2332-1348-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2332-1347-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/2332-1349-0x00000000058B0000-0x000000000594C000-memory.dmp

Filesize
624KB

Download
memory/2332-1350-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/2332-1351-0x0000000006070000-0x000000000607A000-memory.dmp

Filesize
40KB

Download
memory/2332-1354-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/2332-1353-0x00000000068F0000-0x0000000006956000-memory.dmp

Filesize
408KB

Download
memory/2332-1352-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-29-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-17-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-5-0x0000000006C40000-0x00000000071E4000-memory.dmp

Filesize
5.6MB

Download
memory/3716-6-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-7-0x0000000006770000-0x0000000006802000-memory.dmp

Filesize
584KB

Download
memory/3716-8-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-9-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-57-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-55-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-53-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-51-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-50-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-47-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-45-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-43-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-41-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-39-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-37-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-35-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-33-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-3-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3716-27-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-23-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-21-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-19-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-4-0x0000000006590000-0x0000000006692000-memory.dmp

Filesize
1.0MB

Download
memory/3716-15-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-13-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-11-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-31-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-25-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-71-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-69-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-67-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-65-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-63-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-61-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-59-0x0000000006590000-0x000000000668C000-memory.dmp

Filesize
1008KB

Download
memory/3716-1330-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1331-0x0000000006870000-0x00000000068CC000-memory.dmp

Filesize
368KB

Download
memory/3716-1332-0x0000000006930000-0x0000000006988000-memory.dmp

Filesize
352KB

Download
memory/3716-1333-0x00000000068D0000-0x000000000691C000-memory.dmp

Filesize
304KB

Download
memory/3716-1334-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1335-0x0000000005AE0000-0x0000000005B34000-memory.dmp

Filesize
336KB

Download
memory/3716-2-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1-0x00000000009E0000-0x0000000000A6C000-memory.dmp

Filesize
560KB

Download
memory/3716-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3716-1341-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1345-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1346-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3716-1343-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download