xworm | 1bbea249ee7ccb1b3f4fc8e0186db46b2510587c926fd9df614b83599a761df0

Analysis

user interaction
yes
max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/11/2026, 22:30

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General

Target
876N.exe
Size 40KB
Sample261104-2e3aeady5s
SHA256 1bbea249ee7ccb1b3f4fc8e0186db46b2510587c926fd9df614b83599a761df0
MD5 da415c15f0867c0bf9c1e98f36a87fc1
SHA1 af61982c5fa42b55cc8e9ec816fededd3b03abb6
SHA512 b3606061d38927cdf71fe6a9f117eee919e1efef54a82336a8c1cc8cc1b6e4bb6feca7c0e6e24822f75d8b4281f8e64ef8fd8a105730400c0648f2a13a756b89
SSDEEP 768:DtVrGYIEiVMsHSNqp2MoSRx0RpNR6sQhLO8OekL:WOUs8ONRy1O/ekL
TLSH
T1FD13E79937A40216C7FDAAF16DF3960202F0D5A75F27E70F48C885CB2BA7B9095806D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

27.tcp.cpolar.top:10825

Mutex

a5veBPwGqOcCBcI6

Attributes

install_file
USB.exe

aes.plain

Signatures

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

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/5012-0-0x0000000000580000-0x0000000000590000-memory.dmp	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-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\International\Geo\Nation	876N.exe

Enumerates video capture drivers 2 TTPs 1 IoCs

Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

discovery defense_evasion

Peripheral Device Discovery

T1120

Video Capture

T1125

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9	876N.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3436	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	876N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	876N.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4336	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	876N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1744	5012	876N.exe	93
PID 5012 wrote to memory of 3436	5012	876N.exe	95
PID 3436 wrote to memory of 4336	3436	cmd.exe	97

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\876N.exe
"C:\Users\Admin\AppData\Local\Temp\876N.exe"
1⤵
- Checks computer location settings
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "876N"
  2⤵
  PID:1744
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9A3E.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3436
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4336

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Video Capture

T1125

Command and Control

Exfiltration

Impact

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Downloads

tmp9A3E.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp9A3E.tmp.bat
Size 156B
SHA256 3092b5f69f42235fc15f8d57d0fe190527383bf6f344e22a1f52f4d72d90d5e1
MD5 418082ba5dff0b52d86820c5a15ede62
SHA1 9d090bccfe7e2715fefab8d922096f6861938837
SHA512 e8aedbc6ea04daea2b7a2b804e14e13730c92f4cebe89f58c1af8c86b7ce7a430d986fcb2da14c9bfa2a7f8060f173ec09094977c5b8dbeb7985037caac0a619
TLSH
T125C08C0114CAFA2B1A0A642702B6C08DD0675C0A3E856F9093988808288045CE4BC305
MD5 SHA1 SHA512 TLSH

Submit Download

memory/5012-0-0x0000000000580000-0x0000000000590000-memory.dmp

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memory/5012-1-0x000000001B2A0000-0x000000001B2B0000-memory.dmp

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memory/5012-2-0x000000001B2A0000-0x000000001B2B0000-memory.dmp

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memory/5012-3-0x0000000000D60000-0x0000000000D6A000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads