xworm | d6a8076c0859b43193eba0b71d1da545c16c64c735138d8ddeadaedfe90136fc

Analysis

max time kernel
14s
max time network
16s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
08-11-2024 18:19

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General

Target

XClient.exe
Size

293KB
MD5

a9e2c7349ceae0894c2636ac7c91d99a
SHA1

de535327d9486760e1bb42b48f84d677ae8a186d
SHA256

d6a8076c0859b43193eba0b71d1da545c16c64c735138d8ddeadaedfe90136fc
SHA512

67b4f65415d1b228ac93bcf482220067a1f3a3519ffc25df6687808b9d5143d8aa19ba797b96b9c08c6268058c07b3f074b2cf442c47f8874ffee54f8325765a
SSDEEP

3072:+pkJuuEpKi6m/PJivSaAFOg7lkjcWVig058YbEASbod9btj:

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

23.ip.gl.ply.gg:7000

Attributes

Install_directory
%Public%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00050000000445ce-8.dat	family_xworm
behavioral1/memory/3564-10-0x00000000009E0000-0x00000000009F8000-memory.dmp	family_xworm

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

Executes dropped EXE 1 IoCs

pid	Process
3564	.keepme

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	ip-api.com

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3564	.keepme

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1064	4300	XClient.exe	85
PID 4300 wrote to memory of 1064	4300	XClient.exe	85
PID 1064 wrote to memory of 3564	1064	cmd.exe	86
PID 1064 wrote to memory of 3564	1064	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\.shhh.bat" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Users\Admin\AppData\Local\Temp\.keepme
    "C:\Users\Admin\AppData\Local\Temp\.keepme"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3564

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\.keepme

Filesize
71KB

MD5
5dcabac99e75c26966103e37d2d34fff

SHA1
ee5ff56baaa7c854034a1952df3aebcb9051e2d9

SHA256
889f0dbaf5641f17b2fff411473f75c62b551d11bedf4bb16b191f78f38a99e2

SHA512
ec38e9bee65d3ad6ff31c1381a7e7b646544c44c3c944f387e02b7d1825cadf4fe0dfd7d914fa7872f8ba8b2862c0861eae91fce129ef30299afda639681f127

Download Submit
C:\Users\Admin\AppData\Local\Temp\.shhh.bat

Filesize
57B

MD5
cbade861cdb94418af59f05e2c2ba9d2

SHA1
b52c1e9152f513e1c5bfd0a7120d8eab5715c6fa

SHA256
690a862f8ba36d42573f9080aecd43eb6744b842cb382cee2bafdc493dae1ed4

SHA512
fbdea30ef08dfde692d7d55e6b847a49448f095ac0dc7f4cb2aa87d1a965f681397db9ff5f25beb9ad48bf61578ccefdf7191de12ea9e8faba376bca0fd89d70

Download Submit
memory/3564-10-0x00000000009E0000-0x00000000009F8000-memory.dmp

Filesize
96KB

Download
memory/3564-11-0x00007FFA7C530000-0x00007FFA7CFF2000-memory.dmp

Filesize
10.8MB

Download
memory/3564-12-0x00007FFA7C530000-0x00007FFA7CFF2000-memory.dmp

Filesize
10.8MB

Download
memory/3564-13-0x00007FFA7C530000-0x00007FFA7CFF2000-memory.dmp

Filesize
10.8MB

Download
memory/4300-0-0x00007FFA7C533000-0x00007FFA7C535000-memory.dmp

Filesize
8KB

Download
memory/4300-1-0x0000000000770000-0x00000000007C0000-memory.dmp

Filesize
320KB

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