xworm | e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 20:18

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General

Target

ashbeel.exe
Size

57KB
MD5

6ab5859e0e8bb45cd9209171ec4bfae0
SHA1

4de391a13bbbf565f349e76fde8a27bc625dff1c
SHA256

e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538
SHA512

1a28f7a24a4a92c5fae8d30f4d4e0786dcf6c59c30c04fdb968661c08ccdbff32b218870d69f22644e548524744036eab9d033f3ddfd5fbcc0eba338e579d554
SSDEEP

1536:MpNiPkCqOYlw3zdZHjsHOB+bQKB0m9Oiklm:ASZ3BZDsS+bQq9Oik4

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

poker-dosage.gl.at.ply.gg:10021

Attributes

Install_directory
%AppData%
install_file
RealtekUService86.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4684-1-0x0000000000790000-0x00000000007A4000-memory.dmp	family_xworm
behavioral1/files/0x0008000000023ca8-6.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	ashbeel.exe

Executes dropped EXE 2 IoCs

pid	Process
704	RealtekUService86.exe
1432	RealtekUService86.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
3464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4684	ashbeel.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4684	ashbeel.exe
Token: SeDebugPrivilege	4684	ashbeel.exe
Token: SeDebugPrivilege	704	RealtekUService86.exe
Token: SeDebugPrivilege	1432	RealtekUService86.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4684	ashbeel.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4684 wrote to memory of 3464	4684	ashbeel.exe	83
PID 4684 wrote to memory of 3464	4684	ashbeel.exe	83

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\ashbeel.exe
"C:\Users\Admin\AppData\Local\Temp\ashbeel.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4684
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RealtekUService86" /tr "C:\Users\Admin\AppData\Roaming\RealtekUService86.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3464

C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:704

C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1432

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RealtekUService86.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Roaming\RealtekUService86.exe

Filesize
57KB

MD5
6ab5859e0e8bb45cd9209171ec4bfae0

SHA1
4de391a13bbbf565f349e76fde8a27bc625dff1c

SHA256
e30b339b0089711199dd9462636626bc764fdc2df349bf1b89edb74cf24c7538

SHA512
1a28f7a24a4a92c5fae8d30f4d4e0786dcf6c59c30c04fdb968661c08ccdbff32b218870d69f22644e548524744036eab9d033f3ddfd5fbcc0eba338e579d554

Download Submit
memory/704-8-0x00007FF816960000-0x00007FF817421000-memory.dmp

Filesize
10.8MB

Download
memory/704-10-0x00007FF816960000-0x00007FF817421000-memory.dmp

Filesize
10.8MB

Download
memory/4684-0-0x00007FF816963000-0x00007FF816965000-memory.dmp

Filesize
8KB

Download
memory/4684-1-0x0000000000790000-0x00000000007A4000-memory.dmp

Filesize
80KB

Download
memory/4684-3-0x00007FF816960000-0x00007FF817421000-memory.dmp

Filesize
10.8MB

Download
memory/4684-4-0x00007FF816963000-0x00007FF816965000-memory.dmp

Filesize
8KB

Download
memory/4684-5-0x00007FF816960000-0x00007FF817421000-memory.dmp

Filesize
10.8MB

Download