xloader | c87415b188828e354d7f87edc4184c94adb757258e79ab5e1e6e200a8c8df52c

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/01/2025, 07:52

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General

Target

JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe
Size

350KB
MD5

940fb7ef71682b6110d7c2d37a92f5df
SHA1

f399fbab1d1db9c10294a3cb23d71c33947d286b
SHA256

c87415b188828e354d7f87edc4184c94adb757258e79ab5e1e6e200a8c8df52c
SHA512

f49ea7300c4142bc262cce914d1d34e5185fc1080b162dc2d617082e792fa0222ce366af8453ca8f7bc5a454e6a83c93f0be295cc2d9e436458a5d49c3e6e57f
SSDEEP

6144:n7+kn6p2xtxqlkFx6MPLYp7q9LwvzIn+fPlkFQob7aLaArbEk0vJtEW:7+k6c1qK2kY7btABbmHbVIJtE

Score

10^/10

xloader bs8f discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

bs8f

Decoy

vasilnikov.com

parkate.club

pol360.com

handmadequatang.com

consult-set.com

nourkoki.com

theveganfusspot.com

dreamssail.com

pinpinyouqian.xyz

satellitphonestore.com

yotosunny.com

telosaolympics.com

gogetemm.com

yozotnpasumo2.xyz

avantgardemarket.com

glenndcp.com

dirtydriverz.com

avaui.com

anchoredtheblog.com

marianaoliveiraarquitetura.com

Signatures

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

Xloader payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2520-2-0x00000000001B0000-0x00000000001D9000-memory.dmp	xloader
behavioral1/memory/2520-3-0x0000000000400000-0x0000000000887000-memory.dmp	xloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	2520	WerFault.exe	30

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	JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 3012	2520	JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe	31
PID 2520 wrote to memory of 3012	2520	JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe	31
PID 2520 wrote to memory of 3012	2520	JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe	31
PID 2520 wrote to memory of 3012	2520	JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940fb7ef71682b6110d7c2d37a92f5df.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 52
  2⤵
  - Program crash
  PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2520-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2520-2-0x00000000001B0000-0x00000000001D9000-memory.dmp

Filesize
164KB

Download
memory/2520-3-0x0000000000400000-0x0000000000887000-memory.dmp

Filesize
4.5MB

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