xloader | 660d63fb00fa5f47737a5b22014f8bdf22080722ac16da61216caa5e99210b65

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:43

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General

Target

39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe
Size

251KB
MD5

130dc13fcd533d00374ef50177d8c54c
SHA1

39c29125a8c776bd6eed886f346804a23d518b77
SHA256

5614fc852594749ecfbc1f741c9a2ad20edce64652a5c422ed4ca7c5943184a7
SHA512

2fce01506706dc9409ed2a231b43c439f76d86e921b7f51c8ba9fc8a044d1004dcce6c0beeda4ec4fcbf15f1df36160073ced6db7916228a5be2512205aa8587
SSDEEP

6144:ownzthvTfFMFvH+RhBCTZQdENPrPe6VgyE0XeZu8/Y:TzHTeF+rY6yNK6SyBsY

Score

10^/10

xloader uar3 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

uar3

Decoy

sgadvocats.com

mjscannabus.com

hilldaley.com

ksdollhouse.com

hotgiftboutique.com

purebloodsmeet.com

relaunched.info

cap-glove.com

productcollection.store

fulikyy.xyz

remoteaviationjobs.com

bestcleancrystal.com

virtualorganizationpartner.com

bookgocar.com

hattuafhv.quest

makonigroup.com

officecom-myaccount.com

malgorzata-lac.com

e-learningeducators.com

hygilaur.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2804-10-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

pid	Process
2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2984 set thread context of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2804	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30
PID 2984 wrote to memory of 2804	2984	39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe	30

C:\Users\Admin\AppData\Local\Temp\39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe
"C:\Users\Admin\AppData\Local\Temp\39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe
  "C:\Users\Admin\AppData\Local\Temp\39c29125a8c776bd6eed886f346804a23d518b77_1643743531128.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nso76B8.tmp\rrkssezi.dll

Filesize
20KB

MD5
0b9de97b386a1a82cee5d3e059b7ec9b

SHA1
cc730fba70941afa39a9827fea215c9f099a6d01

SHA256
ad29dd53baa1e19fe4cacd99b9dea3b6e7fba8c6d89fe0492244de4414948e21

SHA512
b36cef8eb5fdf990ed79fd718a250e6f736e585516b4cfc97b7a0aba6f254e8997d8cf0262b0f4a894dc91e13c2b22aaa1eac554c2e23c42e50e8bc2fae3ad3d

Download Submit
memory/2804-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2984-8-0x0000000001E60000-0x0000000001E62000-memory.dmp

Filesize
8KB

Download