xloader | a3ae710cb1edbfd1f9cc33ab53ffddd288646a040118b2bc252cc6ac070a8308

General

Target

vbc.exe
Size

331KB
MD5

a5c974a5617823b3de03e26b469ad47d
SHA1

197b391fcd3b7b41e07f819535691405194fe2a4
SHA256

a3ae710cb1edbfd1f9cc33ab53ffddd288646a040118b2bc252cc6ac070a8308
SHA512

b660fab41fadc6497216ef3f0e3750f153f5f59f5dba0e30c60afba731b368b65d18576f1f5ca8ef10b52df97423f9addf1d1f9fd296d779c0d8d51e968ae4d1

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.nyclgbxyi.icu/u6nq/

Decoy

lamailefr.com

creativesword.com

mpconnextions.com

tureture-diary.net

ateamtotalcare.com

ihealthsauna.com

contex33.xyz

hotege.club

candiceco.com

southerntwistent.com

foivgohl.com

azetheelynn.art

galsmith.com

alphaquantumfunds.site

mursiony.club

ajobfit.com

resourceunits.com

metropolitanez.net

shaohuizq.com

tedbagsstore.com

Signatures

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

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1624-59-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1624-60-0x000000000041CFF0-mapping.dmp	xloader
behavioral1/memory/1640-61-0x0000000000220000-0x000000000024A000-memory.dmp	xloader
behavioral1/memory/532-70-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1660 cmd.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1660	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exehelp.exe

description	pid	process	target process
PID 1640 set thread context of 1624	1640	vbc.exe	vbc.exe
PID 1624 set thread context of 1220	1624	vbc.exe	Explorer.EXE
PID 1624 set thread context of 1220	1624	vbc.exe	Explorer.EXE
PID 532 set thread context of 1220	532	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

vbc.exehelp.exe

pid	process
1624	vbc.exe
1624	vbc.exe
1624	vbc.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exehelp.exe

pid process

1624 vbc.exe
1624 vbc.exe
1624 vbc.exe
1624 vbc.exe
532 help.exe
532 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exehelp.exe

description pid process

Token: SeDebugPrivilege 1624 vbc.exe
Token: SeDebugPrivilege 532 help.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1624	vbc.exe
Token: SeDebugPrivilege	532	help.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

vbc.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1640 wrote to memory of 1624	1640	vbc.exe	vbc.exe
PID 1220 wrote to memory of 532	1220	Explorer.EXE	help.exe
PID 1220 wrote to memory of 532	1220	Explorer.EXE	help.exe
PID 1220 wrote to memory of 532	1220	Explorer.EXE	help.exe
PID 1220 wrote to memory of 532	1220	Explorer.EXE	help.exe
PID 532 wrote to memory of 1660	532	help.exe	cmd.exe
PID 532 wrote to memory of 1660	532	help.exe	cmd.exe
PID 532 wrote to memory of 1660	532	help.exe	cmd.exe
PID 532 wrote to memory of 1660	532	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1624

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:532

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
- Deletes itself
PID:1660

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

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Downloads

memory/532-72-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/532-70-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/532-75-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/532-73-0x0000000000580000-0x000000000060F000-memory.dmp

Filesize
572KB

Download
memory/532-68-0x0000000000000000-mapping.dmp

Download
memory/532-69-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1220-65-0x0000000003C80000-0x0000000003D39000-memory.dmp

Filesize
740KB

Download
memory/1220-67-0x0000000004B10000-0x0000000004C78000-memory.dmp

Filesize
1.4MB

Download
memory/1220-74-0x0000000004C80000-0x0000000004DB0000-memory.dmp

Filesize
1.2MB

Download
memory/1624-60-0x000000000041CFF0-mapping.dmp

Download
memory/1624-66-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1624-64-0x0000000000200000-0x0000000000210000-memory.dmp

Filesize
64KB

Download
memory/1624-59-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1624-63-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1640-61-0x0000000000220000-0x000000000024A000-memory.dmp

Filesize
168KB

Download
memory/1660-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads