xloader | 6666b32f52c7d860404d64bf37bdfbea7f7aa38cb0a12f326c515469551d991f

General

Target

vbc.exe
Size

1.5MB
MD5

446b9bdfbfe21f14cb22ecec666ff7a8
SHA1

bee52647caae69d434aade7a64ad2ee4f50247de
SHA256

6666b32f52c7d860404d64bf37bdfbea7f7aa38cb0a12f326c515469551d991f
SHA512

beaaf39e78b1a7c2e2a54de03631d2df3d374cff09b9c68bd2c89e80f85e60c6223795e3e59a5d8f7871c41afa54be56994679db736d8ffc823f948b9feecfc2

Score

10^/10

xloader arh2 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

arh2

Decoy

hstorc.com

blackountry.com

dhrbakery.com

dezhouofit.com

defipayout.xyz

ginas4t.com

byzbh63.xyz

qrcrashview.com

mialibaby.com

enhaut.net

samainnova.com

yashveerresort.com

delfos.online

dungcumay.com

lj-counseling.net

fliptheswitch.pro

padogbitelawyer.com

aticarev.com

sederino.site

bestplansforpets-japan3.life

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3592-138-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4360-145-0x0000000000990000-0x00000000009BB000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exeWPDShextAutoplay.exeraserver.exe

description	pid	process	target process
PID 2192 set thread context of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 3592 set thread context of 1880	3592	WPDShextAutoplay.exe	Explorer.EXE
PID 4360 set thread context of 1880	4360	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

vbc.exeWPDShextAutoplay.exeraserver.exe

pid	process
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
2192	vbc.exe
3592	WPDShextAutoplay.exe
3592	WPDShextAutoplay.exe
3592	WPDShextAutoplay.exe
3592	WPDShextAutoplay.exe
2192	vbc.exe
2192	vbc.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe
4360	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1880 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

WPDShextAutoplay.exeraserver.exe

pid process

3592 WPDShextAutoplay.exe
3592 WPDShextAutoplay.exe
3592 WPDShextAutoplay.exe
4360 raserver.exe
4360 raserver.exe

pid	process
1880	Explorer.EXE

pid	process
3592	WPDShextAutoplay.exe
3592	WPDShextAutoplay.exe
3592	WPDShextAutoplay.exe
4360	raserver.exe
4360	raserver.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

vbc.exeWPDShextAutoplay.exeExplorer.EXEraserver.exe

description	pid	process
Token: SeDebugPrivilege	2192	vbc.exe
Token: SeDebugPrivilege	3592	WPDShextAutoplay.exe
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeDebugPrivilege	4360	raserver.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

vbc.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 2192 wrote to memory of 3592	2192	vbc.exe	WPDShextAutoplay.exe
PID 1880 wrote to memory of 4360	1880	Explorer.EXE	raserver.exe
PID 1880 wrote to memory of 4360	1880	Explorer.EXE	raserver.exe
PID 1880 wrote to memory of 4360	1880	Explorer.EXE	raserver.exe
PID 4360 wrote to memory of 2124	4360	raserver.exe	cmd.exe
PID 4360 wrote to memory of 2124	4360	raserver.exe	cmd.exe
PID 4360 wrote to memory of 2124	4360	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\WPDShextAutoplay.exe
"C:\Windows\SysWOW64\WPDShextAutoplay.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3592

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4360

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\WPDShextAutoplay.exe"
3⤵
PID:2124

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1880-142-0x00000000086A0000-0x000000000883A000-memory.dmp

Filesize
1.6MB

Download
memory/1880-149-0x0000000002F30000-0x0000000002FD4000-memory.dmp

Filesize
656KB

Download
memory/2124-146-0x0000000000000000-mapping.dmp

Download
memory/2192-131-0x0000000005AE0000-0x0000000006084000-memory.dmp

Filesize
5.6MB

Download
memory/2192-132-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/2192-133-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/2192-134-0x0000000009180000-0x00000000091F6000-memory.dmp

Filesize
472KB

Download
memory/2192-135-0x0000000009160000-0x000000000917E000-memory.dmp

Filesize
120KB

Download
memory/2192-136-0x000000000A890000-0x000000000A92C000-memory.dmp

Filesize
624KB

Download
memory/2192-130-0x0000000000A50000-0x0000000000BD0000-memory.dmp

Filesize
1.5MB

Download
memory/3592-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3592-141-0x00000000009A0000-0x00000000009B1000-memory.dmp

Filesize
68KB

Download
memory/3592-140-0x0000000000B10000-0x0000000000E5A000-memory.dmp

Filesize
3.3MB

Download
memory/3592-137-0x0000000000000000-mapping.dmp

Download
memory/4360-143-0x0000000000000000-mapping.dmp

Download
memory/4360-145-0x0000000000990000-0x00000000009BB000-memory.dmp

Filesize
172KB

Download
memory/4360-144-0x0000000000500000-0x000000000051F000-memory.dmp

Filesize
124KB

Download
memory/4360-147-0x0000000002BB0000-0x0000000002EFA000-memory.dmp

Filesize
3.3MB

Download
memory/4360-148-0x0000000002920000-0x00000000029B0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads