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
behavioral2/memory/3904-114-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3904-115-0x000000000041CFF0-mapping.dmp	xloader
behavioral2/memory/796-116-0x00000000009B0000-0x00000000009DA000-memory.dmp	xloader
behavioral2/memory/412-124-0x0000000002E00000-0x0000000002E28000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exehelp.exe

description	pid	process	target process
PID 796 set thread context of 3904	796	vbc.exe	vbc.exe
PID 3904 set thread context of 3024	3904	vbc.exe	Explorer.EXE
PID 412 set thread context of 3024	412	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

vbc.exehelp.exe

pid	process
3904	vbc.exe
3904	vbc.exe
3904	vbc.exe
3904	vbc.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe
412	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exehelp.exe

pid process

3904 vbc.exe
3904 vbc.exe
3904 vbc.exe
412 help.exe
412 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exehelp.exe

description pid process

Token: SeDebugPrivilege 3904 vbc.exe
Token: SeDebugPrivilege 412 help.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3904	vbc.exe
Token: SeDebugPrivilege	412	help.exe

pid	process
3024	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vbc.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 796 wrote to memory of 3904	796	vbc.exe	vbc.exe
PID 3024 wrote to memory of 412	3024	Explorer.EXE	help.exe
PID 3024 wrote to memory of 412	3024	Explorer.EXE	help.exe
PID 3024 wrote to memory of 412	3024	Explorer.EXE	help.exe
PID 412 wrote to memory of 1452	412	help.exe	cmd.exe
PID 412 wrote to memory of 1452	412	help.exe	cmd.exe
PID 412 wrote to memory of 1452	412	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3024

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:796

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:3904

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:412

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:1452

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/412-125-0x0000000002E30000-0x0000000002EDE000-memory.dmp

Filesize
696KB

Download
memory/412-121-0x0000000000000000-mapping.dmp

Download
memory/412-124-0x0000000002E00000-0x0000000002E28000-memory.dmp

Filesize
160KB

Download
memory/412-123-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/412-126-0x00000000032E0000-0x000000000336F000-memory.dmp

Filesize
572KB

Download
memory/796-116-0x00000000009B0000-0x00000000009DA000-memory.dmp

Filesize
168KB

Download
memory/1452-122-0x0000000000000000-mapping.dmp

Download
memory/3024-120-0x0000000002610000-0x00000000026C2000-memory.dmp

Filesize
712KB

Download
memory/3024-127-0x0000000004760000-0x00000000047F6000-memory.dmp

Filesize
600KB

Download
memory/3904-115-0x000000000041CFF0-mapping.dmp

Download
memory/3904-118-0x00000000009D0000-0x0000000000CF0000-memory.dmp

Filesize
3.1MB

Download
memory/3904-119-0x00000000009A0000-0x00000000009B0000-memory.dmp

Filesize
64KB

Download
memory/3904-114-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads