xloader | 1086e2faa19287c271b669be3118a0509f3547cbe638e7f783d0c691be084be8

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 01:57

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General

Target

23962f311cb6016e8f5a84ceb3bab011.exe
Size

936KB
MD5

23962f311cb6016e8f5a84ceb3bab011
SHA1

684290eac2e8dab2b2f3d7d3e598cc87306c1840
SHA256

1086e2faa19287c271b669be3118a0509f3547cbe638e7f783d0c691be084be8
SHA512

b38324d8d0ef841dd536cd04aa8fb04975353bd7cdde56553ae298cbc743200e0c40e48c36d1c66802a8cce1caf051d7a62d7fbc3be9aafa3950e263318699f3
SSDEEP

24576:zTd8cS/d3YK64J3S0R5z2xICwcQo1+HisZzoH:HBK64Ji0R12Ce1KFzo

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/4528-8-0x0000000005BD0000-0x0000000005BE2000-memory.dmp	CustAttr

Xloader payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2512-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

23962f311cb6016e8f5a84ceb3bab011.exe

description pid process target process

PID 4528 set thread context of 2512 4528 23962f311cb6016e8f5a84ceb3bab011.exe 23962f311cb6016e8f5a84ceb3bab011.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

23962f311cb6016e8f5a84ceb3bab011.exe

pid process

2512 23962f311cb6016e8f5a84ceb3bab011.exe
2512 23962f311cb6016e8f5a84ceb3bab011.exe
2512 23962f311cb6016e8f5a84ceb3bab011.exe

description	pid	process	target process
PID 4528 set thread context of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe

pid	process
2512	23962f311cb6016e8f5a84ceb3bab011.exe
2512	23962f311cb6016e8f5a84ceb3bab011.exe
2512	23962f311cb6016e8f5a84ceb3bab011.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

23962f311cb6016e8f5a84ceb3bab011.exe

description	pid	process	target process
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe
PID 4528 wrote to memory of 2512	4528	23962f311cb6016e8f5a84ceb3bab011.exe	23962f311cb6016e8f5a84ceb3bab011.exe

C:\Users\Admin\AppData\Local\Temp\23962f311cb6016e8f5a84ceb3bab011.exe
"C:\Users\Admin\AppData\Local\Temp\23962f311cb6016e8f5a84ceb3bab011.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4528

C:\Users\Admin\AppData\Local\Temp\23962f311cb6016e8f5a84ceb3bab011.exe
"C:\Users\Admin\AppData\Local\Temp\23962f311cb6016e8f5a84ceb3bab011.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2512

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2512-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2512-17-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download
memory/2512-16-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download
memory/4528-1-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4528-10-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4528-0-0x0000000000B00000-0x0000000000BF0000-memory.dmp

Filesize
960KB

Download
memory/4528-7-0x00000000058C0000-0x0000000005916000-memory.dmp

Filesize
344KB

Download
memory/4528-6-0x0000000005690000-0x000000000569A000-memory.dmp

Filesize
40KB

Download
memory/4528-8-0x0000000005BD0000-0x0000000005BE2000-memory.dmp

Filesize
72KB

Download
memory/4528-9-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4528-2-0x0000000005560000-0x00000000055FC000-memory.dmp

Filesize
624KB

Download
memory/4528-11-0x0000000006DD0000-0x0000000006E48000-memory.dmp

Filesize
480KB

Download
memory/4528-5-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4528-15-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4528-4-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/4528-12-0x0000000006E60000-0x0000000006E90000-memory.dmp

Filesize
192KB

Download
memory/4528-3-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download