xloader | c070fb4fd74f3cb1b4b739c8b80ea499734a7e9859ff3a0f5cd5a51ac4e0ca7e

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 06:01

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General

Target

b6af62dfb431da0decdd5b947e3d15a8.exe
Size

1.2MB
MD5

b6af62dfb431da0decdd5b947e3d15a8
SHA1

1479f335152bfb7dc22a24638098f17988fa4c8e
SHA256

c070fb4fd74f3cb1b4b739c8b80ea499734a7e9859ff3a0f5cd5a51ac4e0ca7e
SHA512

e383f052ff9de8fb09bdfc88de15ce8f64fe709933aabd4db010b9a3152c3d37359e1414272f9265ae14a8f9128a93d8dbda6ef6b6f49b4be07915da206f7f91
SSDEEP

24576:4VOsBgo0q4wMCBmCmTOUd+L6kyXWMUcm93NchfLD3qg5erpasQZ:40oHMWmCm6Ud+zyXsxqhfHFwRE

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.

resource	yara_rule
behavioral2/memory/2292-8-0x0000000005810000-0x0000000005822000-memory.dmp	CustAttr

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3124-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3124	b6af62dfb431da0decdd5b947e3d15a8.exe
3124	b6af62dfb431da0decdd5b947e3d15a8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101
PID 2292 wrote to memory of 3124	2292	b6af62dfb431da0decdd5b947e3d15a8.exe	101

C:\Users\Admin\AppData\Local\Temp\b6af62dfb431da0decdd5b947e3d15a8.exe
"C:\Users\Admin\AppData\Local\Temp\b6af62dfb431da0decdd5b947e3d15a8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\b6af62dfb431da0decdd5b947e3d15a8.exe
  "C:\Users\Admin\AppData\Local\Temp\b6af62dfb431da0decdd5b947e3d15a8.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3124

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2292-8-0x0000000005810000-0x0000000005822000-memory.dmp

Filesize
72KB

Download
memory/2292-6-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/2292-2-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/2292-3-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/2292-1-0x0000000000C00000-0x0000000000D42000-memory.dmp

Filesize
1.3MB

Download
memory/2292-5-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/2292-0-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2292-7-0x00000000058F0000-0x0000000005946000-memory.dmp

Filesize
344KB

Download
memory/2292-4-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/2292-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/2292-10-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/2292-11-0x00000000071E0000-0x000000000725C000-memory.dmp

Filesize
496KB

Download
memory/2292-12-0x0000000007260000-0x0000000007294000-memory.dmp

Filesize
208KB

Download
memory/2292-15-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3124-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3124-16-0x0000000001120000-0x000000000146A000-memory.dmp

Filesize
3.3MB

Download