xloader | f988c17ff348d65c83b031d164e3a3850b38f4e6b2c43cd426dfafd68474301a

Analysis

max time kernel
144s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:43

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General

Target

3a2b189ba8182eb62ea6bfc27e8ca898.exe
Size

1.3MB
MD5

3a2b189ba8182eb62ea6bfc27e8ca898
SHA1

4dbb07cf112a88e1a90517102d281f12825d2c83
SHA256

f988c17ff348d65c83b031d164e3a3850b38f4e6b2c43cd426dfafd68474301a
SHA512

e73ce3cc077a7daecc58ad8b3de749cf19cc0f8e49c516f4fca3caeb0179073984df76a2113372131d7c3873f022d7210dce49d676913b12c615663cc4cf1460
SSDEEP

24576:rn+S/d3lYdkeDPEyZzgz8F59dbZt/SQIIgRmw2GPoN7vdiTbnFM:oRPE4zvF5nZt/DVgRmsPoiM

Score

10^/10

xloader wufn loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

wufn

Decoy

rsautoluxe.com

theroseofsharonsalon.com

singnema.com

nathanielwhite108.com

theforumonline.com

iqpt.info

joneshondaservice.com

fafene.com

solanohomebuyerclass.com

zwq.xyz

searchlakeconroehomes.com

briative.com

frystmor.city

systemofyouth.com

sctsmney.com

tv-safetrading.com

thesweetboy.com

occulusblu.com

pawsthemomentpetphotography.com

travelstipsguide.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/3560-8-0x00000000063E0000-0x00000000063F2000-memory.dmp	CustAttr

Xloader payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3032-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

3a2b189ba8182eb62ea6bfc27e8ca898.exe

description pid process target process

PID 3560 set thread context of 3032 3560 3a2b189ba8182eb62ea6bfc27e8ca898.exe 3a2b189ba8182eb62ea6bfc27e8ca898.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

3a2b189ba8182eb62ea6bfc27e8ca898.exe

pid process

3032 3a2b189ba8182eb62ea6bfc27e8ca898.exe
3032 3a2b189ba8182eb62ea6bfc27e8ca898.exe
3032 3a2b189ba8182eb62ea6bfc27e8ca898.exe

description	pid	process	target process
PID 3560 set thread context of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe

pid	process
3032	3a2b189ba8182eb62ea6bfc27e8ca898.exe
3032	3a2b189ba8182eb62ea6bfc27e8ca898.exe
3032	3a2b189ba8182eb62ea6bfc27e8ca898.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3a2b189ba8182eb62ea6bfc27e8ca898.exe

description	pid	process	target process
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe
PID 3560 wrote to memory of 3032	3560	3a2b189ba8182eb62ea6bfc27e8ca898.exe	3a2b189ba8182eb62ea6bfc27e8ca898.exe

C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3560

C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe
"C:\Users\Admin\AppData\Local\Temp\3a2b189ba8182eb62ea6bfc27e8ca898.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3032-15-0x00000000016F0000-0x0000000001A3A000-memory.dmp

Filesize
3.3MB

Download
memory/3032-16-0x00000000016F0000-0x0000000001A3A000-memory.dmp

Filesize
3.3MB

Download
memory/3032-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3560-8-0x00000000063E0000-0x00000000063F2000-memory.dmp

Filesize
72KB

Download
memory/3560-4-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/3560-5-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/3560-7-0x0000000005310000-0x0000000005366000-memory.dmp

Filesize
344KB

Download
memory/3560-6-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/3560-1-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/3560-9-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/3560-10-0x00000000068A0000-0x000000000693E000-memory.dmp

Filesize
632KB

Download
memory/3560-11-0x0000000008EE0000-0x0000000008F0E000-memory.dmp

Filesize
184KB

Download
memory/3560-14-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/3560-3-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/3560-0-0x0000000000500000-0x0000000000654000-memory.dmp

Filesize
1.3MB

Download
memory/3560-2-0x0000000004FE0000-0x000000000507C000-memory.dmp

Filesize
624KB

Download