xworm | 4c5eab954154b23bd51103b09adbd3cb842ab9a3969ff69ea54659860c9b7dab

Analysis

max time kernel
13s
max time network
15s
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 18:21

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General

Target

XClient.exe
Size

293KB
MD5

359625f03d8b4582e2f2c60c21408767
SHA1

b35f3c614a1800eb0a4c05110ab97c2a444eea9d
SHA256

4c5eab954154b23bd51103b09adbd3cb842ab9a3969ff69ea54659860c9b7dab
SHA512

6bfa05b40de708eb979d850ad14dd1b350aaf42a87ccfe32403f9e9c9ddaa5b474f8cc7036d9a28f976492315c617c0a11326fc65be7690fd338916bb2660adc
SSDEEP

3072:6pkJuuEpKi6m/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/0x0029000000045052-8.dat	family_xworm
behavioral1/memory/4952-10-0x0000000000780000-0x0000000000798000-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
4952	.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	4952	.keepme

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4520	2168	XClient.exe	83
PID 2168 wrote to memory of 4520	2168	XClient.exe	83
PID 4520 wrote to memory of 4952	4520	cmd.exe	84
PID 4520 wrote to memory of 4952	4520	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\.shhh.bat" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4520
- - C:\Users\Admin\AppData\Local\Temp\.keepme
    "C:\Users\Admin\AppData\Local\Temp\.keepme"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4952

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/2168-0-0x00007FFA6FF33000-0x00007FFA6FF35000-memory.dmp

Filesize
8KB

Download
memory/2168-1-0x00000000009A0000-0x00000000009F0000-memory.dmp

Filesize
320KB

Download
memory/4952-10-0x0000000000780000-0x0000000000798000-memory.dmp

Filesize
96KB

Download
memory/4952-11-0x00007FFA6FF30000-0x00007FFA709F2000-memory.dmp

Filesize
10.8MB

Download
memory/4952-12-0x00007FFA6FF30000-0x00007FFA709F2000-memory.dmp

Filesize
10.8MB

Download
memory/4952-13-0x00007FFA6FF30000-0x00007FFA709F2000-memory.dmp

Filesize
10.8MB

Download