xloader | 13bd267ca3d7af495f8cd8f72daf3ea997312671eafe9992a88768e4f3ecc601

General

Target

catzx.exe
Size

556KB
MD5

a505757fb36d0c2945985135b1de90cb
SHA1

0f90b28aa225725493ef72a9915bf0c5082ff992
SHA256

13bd267ca3d7af495f8cd8f72daf3ea997312671eafe9992a88768e4f3ecc601
SHA512

37d993fcb3774673a840d4e13e768c7160120c04746972f8efed6c4687e9872fcc175849193510190fbc5047ce89abcce5c3457955b85e7912c09c12b1f0f011

Score

10^/10

xloader r007 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

r007

Decoy

trashpandaservice.com

mobileads.network

ascolstore.com

gelsinextra.com

bonestell.net

heitoll.xyz

ceapgis.com

mon-lapin.biz

miq-eva.com

rematedesillas.com

playingonline.xyz

hausense.quest

tnyzw.com

appsdial.com

addcolor.city

hagenoblog.com

michaelwesleyj.com

she-zain.com

lorhsems.com

karmaserena.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/344-137-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral2/memory/344-139-0x0000000000400000-0x000000000042A000-memory.dmp	xloader
behavioral2/memory/3404-145-0x0000000000E20000-0x0000000000E4A000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

catzx.execatzx.exehelp.exe

description	pid	process	target process
PID 3256 set thread context of 344	3256	catzx.exe	catzx.exe
PID 344 set thread context of 2416	344	catzx.exe	Explorer.EXE
PID 3404 set thread context of 2416	3404	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

catzx.exehelp.exe

pid	process
344	catzx.exe
344	catzx.exe
344	catzx.exe
344	catzx.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2416 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

catzx.exehelp.exe

pid process

344 catzx.exe
344 catzx.exe
344 catzx.exe
3404 help.exe
3404 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

catzx.exehelp.exe

description pid process

Token: SeDebugPrivilege 344 catzx.exe
Token: SeDebugPrivilege 3404 help.exe

pid	process
2416	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	344	catzx.exe
Token: SeDebugPrivilege	3404	help.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

catzx.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 3256 wrote to memory of 344	3256	catzx.exe	catzx.exe
PID 2416 wrote to memory of 3404	2416	Explorer.EXE	help.exe
PID 2416 wrote to memory of 3404	2416	Explorer.EXE	help.exe
PID 2416 wrote to memory of 3404	2416	Explorer.EXE	help.exe
PID 3404 wrote to memory of 4576	3404	help.exe	cmd.exe
PID 3404 wrote to memory of 4576	3404	help.exe	cmd.exe
PID 3404 wrote to memory of 4576	3404	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2416

C:\Users\Admin\AppData\Local\Temp\catzx.exe
"C:\Users\Admin\AppData\Local\Temp\catzx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3256

C:\Users\Admin\AppData\Local\Temp\catzx.exe
"C:\Users\Admin\AppData\Local\Temp\catzx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:344

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\catzx.exe"
3⤵
PID:4576

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/344-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/344-141-0x0000000000BB0000-0x0000000000BC1000-memory.dmp

Filesize
68KB

Download
memory/344-140-0x0000000001060000-0x00000000013AA000-memory.dmp

Filesize
3.3MB

Download
memory/344-139-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/344-136-0x0000000000000000-mapping.dmp

Download
memory/2416-149-0x0000000008570000-0x00000000086C3000-memory.dmp

Filesize
1.3MB

Download
memory/2416-142-0x0000000003780000-0x0000000003861000-memory.dmp

Filesize
900KB

Download
memory/3256-134-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/3256-135-0x00000000079A0000-0x0000000007A06000-memory.dmp

Filesize
408KB

Download
memory/3256-130-0x00000000007B0000-0x0000000000840000-memory.dmp

Filesize
576KB

Download
memory/3256-133-0x00000000053D0000-0x000000000546C000-memory.dmp

Filesize
624KB

Download
memory/3256-132-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/3256-131-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/3404-143-0x0000000000000000-mapping.dmp

Download
memory/3404-144-0x00000000008C0000-0x00000000008C7000-memory.dmp

Filesize
28KB

Download
memory/3404-145-0x0000000000E20000-0x0000000000E4A000-memory.dmp

Filesize
168KB

Download
memory/3404-146-0x0000000001590000-0x00000000018DA000-memory.dmp

Filesize
3.3MB

Download
memory/3404-148-0x00000000013D0000-0x0000000001460000-memory.dmp

Filesize
576KB

Download
memory/4576-147-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads