xworm | fd198cf3ef764ffa17e7bd465d666057804a25ed5c6061074c0de7b6df43a667

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:09

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General

Target

2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
Size

42KB
MD5

2fde7f3ffb6b753f4f38d56d9b5a7cc6
SHA1

d1db9a01cda04ba123dd98fd84675bcec94bdad4
SHA256

6c97ecc2c61d32ed69642e73d95768d47cff87f2e6f71d3561ed5b23ffede4e5
SHA512

0dd9a010aade521d8450e30fc9f465498a977ae26e74e3725f00540e276387ee979d6e8608d9faca124521413a55ac45836a0ee05fff8f225bba198b14099799
SSDEEP

384:Tn07iHzfrw+BNPMRTPfckQn2ki/ftcRg2/+QNa95V4doERUrT0h+glcoCL78LY09:TciQqPGkke21/fm7xJRUrOw78LvaD8

Score

10^/10

xworm discovery rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

178.173.236.10:7000

Mutex

IQ0PdUIpTkHdHJyj

Attributes

Install_directory
%Temp%
install_file
X1Client.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral25/memory/2732-7-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral25/memory/2732-11-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral25/memory/2732-8-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral25/memory/2732-15-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral25/memory/2732-13-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
5	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\X1Client.lnk	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\X1Client.lnk	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Loads dropped DLL 1 IoCs

pid	Process
2732	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2732	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2732	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
Token: SeDebugPrivilege	2732	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31
PID 1336 wrote to memory of 2732	1336	2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe	31

C:\Users\Admin\AppData\Local\Temp\2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
"C:\Users\Admin\AppData\Local\Temp\2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe"
1⤵
- Downloads MZ/PE file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Users\Admin\AppData\Local\Temp\2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe
  "C:\Users\Admin\AppData\Local\Temp\2fde7f3ffb6b753f4f38d56d9b5a7cc6.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\X1Client.exe

Filesize
42KB

MD5
2fde7f3ffb6b753f4f38d56d9b5a7cc6

SHA1
d1db9a01cda04ba123dd98fd84675bcec94bdad4

SHA256
6c97ecc2c61d32ed69642e73d95768d47cff87f2e6f71d3561ed5b23ffede4e5

SHA512
0dd9a010aade521d8450e30fc9f465498a977ae26e74e3725f00540e276387ee979d6e8608d9faca124521413a55ac45836a0ee05fff8f225bba198b14099799

Download Submit
memory/1336-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/1336-1-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/1336-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1336-3-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/1336-4-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1336-16-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-15-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-13-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-17-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2732-23-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-24-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-25-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download