xworm | 22c94e6a30f18896211c0a3d41722392c059b788f52822b71231b6a951054a0a

Analysis

max time kernel
150s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 22:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

china.exe
Size

34KB
MD5

61ffe280e65651237b433ca13be44753
SHA1

db6f9ecf0224254425cfc89b8c50c7672f92d70e
SHA256

22c94e6a30f18896211c0a3d41722392c059b788f52822b71231b6a951054a0a
SHA512

0047d9cb2db3d37b45d7870033ec330f4f01e69da4f2392a5aa887acf61bf22bd7621570289eea24fd24425b1e7dde6d1a1c893d4477267783b40f8844860767
SSDEEP

768:DOMm6sgb2F9hqVRlsQkjm6ZaF9Fk9kpccO/hs/fx5:DMP/mbUxojFk9kpccO/O3j

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

address-northwest.gl.at.ply.gg:8888

Mutex

Hi99saipGmhYmM2G

Attributes

Install_directory
%Userprofile%
install_file
runtime.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1692-1-0x00000000003B0000-0x00000000003BE000-memory.dmp	family_xworm
behavioral2/files/0x0010000000023b3c-8.dat	family_xworm

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	china.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2364	runtime.exe
672	runtime.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3784	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	china.exe
Token: SeDebugPrivilege	2364	runtime.exe
Token: SeDebugPrivilege	672	runtime.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 3784	1692	china.exe	90
PID 1692 wrote to memory of 3784	1692	china.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\china.exe
"C:\Users\Admin\AppData\Local\Temp\china.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "runtime" /tr "C:\Users\Admin\runtime.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3784

C:\Users\Admin\runtime.exe
C:\Users\Admin\runtime.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Users\Admin\runtime.exe
C:\Users\Admin\runtime.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\runtime.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\runtime.exe

Filesize
34KB

MD5
61ffe280e65651237b433ca13be44753

SHA1
db6f9ecf0224254425cfc89b8c50c7672f92d70e

SHA256
22c94e6a30f18896211c0a3d41722392c059b788f52822b71231b6a951054a0a

SHA512
0047d9cb2db3d37b45d7870033ec330f4f01e69da4f2392a5aa887acf61bf22bd7621570289eea24fd24425b1e7dde6d1a1c893d4477267783b40f8844860767

Download Submit
memory/1692-0-0x00007FFF45D93000-0x00007FFF45D95000-memory.dmp

Filesize
8KB

Download
memory/1692-1-0x00000000003B0000-0x00000000003BE000-memory.dmp

Filesize
56KB

Download
memory/1692-6-0x00007FFF45D90000-0x00007FFF46851000-memory.dmp

Filesize
10.8MB

Download
memory/1692-7-0x00007FFF45D90000-0x00007FFF46851000-memory.dmp

Filesize
10.8MB

Download
memory/2364-10-0x00007FFF45D90000-0x00007FFF46851000-memory.dmp

Filesize
10.8MB

Download
memory/2364-12-0x00007FFF45D90000-0x00007FFF46851000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads