xworm | ef5217e1b0ebd6fc1a8a75de80230998c30f810be4b594ddc711a587c34e12f7

Analysis

max time kernel
1036s
max time network
1044s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2025, 22:25

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General

Target

Output.exe
Size

76KB
MD5

3609d5f3be639dfe2c7f3f0e7401b388
SHA1

f6720729a2af46c119922183b1932cff8cb2ff49
SHA256

ef5217e1b0ebd6fc1a8a75de80230998c30f810be4b594ddc711a587c34e12f7
SHA512

0aeb9abec472926d57e2441885cb88344ab5ff479149695ffc2ff394321b2b35301dd2b786d191fe9b8c67046a63baff46aa5c9a08c8934c0132483f46f99bca
SSDEEP

1536:71DLyqLA3qC85n5kuObTDLyqIA3qC85n5kuZb72:71DLvLA385n5zO/DLvIA385n5zZe

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

192.168.1.3:9999

Mutex

0x6vtRiVIhgdKOaX

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral2/files/0x0005000000022b29-5.dat	family_xworm
behavioral2/files/0x0011000000023c26-17.dat	family_xworm
behavioral2/memory/1036-25-0x0000000000EF0000-0x0000000000EFE000-memory.dmp	family_xworm
behavioral2/memory/4888-26-0x00000000000C0000-0x00000000000CE000-memory.dmp	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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	Output.exe

Executes dropped EXE 2 IoCs

pid	Process
1036	XClie2nt.exe
4888	XClient.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	XClient.exe
Token: SeDebugPrivilege	1036	XClie2nt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1036	1936	Output.exe	89
PID 1936 wrote to memory of 1036	1936	Output.exe	89
PID 1936 wrote to memory of 4888	1936	Output.exe	90
PID 1936 wrote to memory of 4888	1936	Output.exe	90

C:\Users\Admin\AppData\Local\Temp\Output.exe
"C:\Users\Admin\AppData\Local\Temp\Output.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Roaming\XClie2nt.exe
  "C:\Users\Admin\AppData\Roaming\XClie2nt.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1036
- C:\Users\Admin\AppData\Roaming\XClient.exe
  "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\XClie2nt.exe

Filesize
33KB

MD5
3e9272dbd6c68f0e34c615cc4c6ff14a

SHA1
adce5d14cf7d799fd1b21bb51fa6ba45bb9cb706

SHA256
933f628c9feaaa7264b39ac4b46b7451045840f3b5a0cf1bf5ab7a01cc7cab6d

SHA512
624220b3a924d5256f7b9e9f5d4816684d61fd570f78735f6e3702db5d82c9b51a8d1df2d50fb9f9c196b7244ff7da135adfb957c71aee4e257d732a8b0fa909

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

Filesize
33KB

MD5
72e79fbac6daff0e93f1dc928f0c7a5b

SHA1
e9955d767ba0d559ac4eda0f4008731db8d31d34

SHA256
d30ef103972d2ad8920d95b16c406af4cdfb6cfd26a920bede3a7563c5d062b7

SHA512
0959fd5f602f5ff62b500730193cf130ffa388271d3135a6730554bba446619c38a7764b0d1618f1346ee70c3e903a984b06ee115453e8d05d46439e18f90189

Download Submit
memory/1036-27-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/1036-25-0x0000000000EF0000-0x0000000000EFE000-memory.dmp

Filesize
56KB

Download
memory/1036-30-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/1036-31-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/1036-33-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/1936-1-0x00000000009E0000-0x00000000009FA000-memory.dmp

Filesize
104KB

Download
memory/1936-0-0x00007FFB007B3000-0x00007FFB007B5000-memory.dmp

Filesize
8KB

Download
memory/4888-26-0x00000000000C0000-0x00000000000CE000-memory.dmp

Filesize
56KB

Download
memory/4888-28-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/4888-29-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download
memory/4888-32-0x00007FFB007B0000-0x00007FFB01271000-memory.dmp

Filesize
10.8MB

Download