xworm | e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 06:12

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General

Target

e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe
Size

94KB
MD5

15f590d01e895b97bc3717009af7c3a5
SHA1

14208862a69608a228becbfd2b97f4b1dc4a8e59
SHA256

e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4
SHA512

d1786b5771b182f06fa1ed17f79f40e8f7497457305d63c029b2321ee0108836b60470ca535f85e0c5a5c5dc059c288adbc3f20267ff38ec0210223aec6f6e70
SSDEEP

1536:nUhTw+85Q73zx+aEV9TWGjJPxbileYbvlD++kam:nsjeQ3x+zIYJJbsbvlDF4

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

127.0.0.1:7000

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225f-3.dat	family_xworm
behavioral1/memory/2024-8-0x0000000000C20000-0x0000000000C34000-memory.dmp	family_xworm

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

Executes dropped EXE 1 IoCs

pid	Process
2024	0.dll

Loads dropped DLL 1 IoCs

pid	Process
2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.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	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	0.dll

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2024	2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe	30
PID 2384 wrote to memory of 2024	2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe	30
PID 2384 wrote to memory of 2024	2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe	30
PID 2384 wrote to memory of 2024	2384	e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe	30

C:\Users\Admin\AppData\Local\Temp\e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe
"C:\Users\Admin\AppData\Local\Temp\e9fb65bb3d8aef622fe674d24bae8e4dcfc688f82d95c1eeb1be778e7bfb08b4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\0.dll
  C:\Users\Admin\AppData\Local\Temp\0.dll
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2024

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

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Downloads

\Users\Admin\AppData\Local\Temp\0.dll

Filesize
54KB

MD5
b7fd5ed6cad1d30f3f85ccca261c8881

SHA1
a53a7eb56898a4d7bddbb67e0e98395ec4e3a4cd

SHA256
651c210acb91494cf0998e7d80c4208f990bec4749af2fb0a3898021db650935

SHA512
983b8b50501ab58a79a927e41aaa5298e42e5564eafafb36fb701a735c818df5b79fd16b3345791abd399cfbc1185d80ebc663bf8e34b05f9a87240506cdcd89

Download Submit
memory/2024-7-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/2024-8-0x0000000000C20000-0x0000000000C34000-memory.dmp

Filesize
80KB

Download
memory/2024-9-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/2024-10-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/2024-11-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download