xloader | 99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c

General

Target

vbc.exe
Size

540KB
MD5

c0225f76705c05744918c724e3018649
SHA1

8fb4c2a855204c51c630b69ccfdf10f1135fe01e
SHA256

99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
SHA512

04b016e7b30c59e316a5b82e42560a82892c52d2fca26e6eacb9fdc2b1254c4b544467a1617989f3166606c8f0d7ebb4e0d85400bab785d29a6cd15e71e5da1c

Score

10^/10

xloader mwev loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

mwev

C2

http://www.scion-go-getter.com/mwev/

Decoy

9linefarms.com

meadow-spring.com

texascountrycharts.com

chinatowndeliver.com

grindsword.com

thegurusigavebirthto.com

rip-online.com

lm-safe-keepingtoyof6.xyz

plumbtechconsulting.com

jgoerlach.com

inbloomsolutions.com

foxandmew.com

tikomobile.store

waybunch.com

thepatriottutor.com

qask.top

pharmacylinked.com

ishii-miona.com

sugarandrocks.com

anabolenpower.net

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3648-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3648-125-0x000000000041D480-mapping.dmp	xloader
behavioral2/memory/3148-132-0x0000000000950000-0x0000000000979000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exemsdt.exe

description	pid	process	target process
PID 3668 set thread context of 3648	3668	vbc.exe	vbc.exe
PID 3648 set thread context of 3024	3648	vbc.exe	Explorer.EXE
PID 3148 set thread context of 3024	3148	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

vbc.exevbc.exemsdt.exe

pid	process
3668	vbc.exe
3668	vbc.exe
3668	vbc.exe
3668	vbc.exe
3648	vbc.exe
3648	vbc.exe
3648	vbc.exe
3648	vbc.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe
3148	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exemsdt.exe

pid process

3648 vbc.exe
3648 vbc.exe
3648 vbc.exe
3148 msdt.exe
3148 msdt.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exevbc.exemsdt.exe

description pid process

Token: SeDebugPrivilege 3668 vbc.exe
Token: SeDebugPrivilege 3648 vbc.exe
Token: SeDebugPrivilege 3148 msdt.exe

pid	process
3024	Explorer.EXE

pid	process
3648	vbc.exe
3648	vbc.exe
3648	vbc.exe
3148	msdt.exe
3148	msdt.exe

description	pid	process
Token: SeDebugPrivilege	3668	vbc.exe
Token: SeDebugPrivilege	3648	vbc.exe
Token: SeDebugPrivilege	3148	msdt.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

vbc.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3668 wrote to memory of 3696	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3696	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3696	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 2236	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 2236	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 2236	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3668 wrote to memory of 3648	3668	vbc.exe	vbc.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	msdt.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	msdt.exe
PID 3024 wrote to memory of 3148	3024	Explorer.EXE	msdt.exe
PID 3148 wrote to memory of 1168	3148	msdt.exe	cmd.exe
PID 3148 wrote to memory of 1168	3148	msdt.exe	cmd.exe
PID 3148 wrote to memory of 1168	3148	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:3696

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:2236

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:3648

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
PID:1168

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/1168-134-0x0000000000000000-mapping.dmp

Download
memory/3024-129-0x0000000005D00000-0x0000000005E45000-memory.dmp

Filesize
1.3MB

Download
memory/3024-136-0x0000000002450000-0x0000000002538000-memory.dmp

Filesize
928KB

Download
memory/3148-135-0x0000000004BA0000-0x0000000004C30000-memory.dmp

Filesize
576KB

Download
memory/3148-133-0x0000000004CB0000-0x0000000004FD0000-memory.dmp

Filesize
3.1MB

Download
memory/3148-131-0x00000000013A0000-0x0000000001513000-memory.dmp

Filesize
1.4MB

Download
memory/3148-132-0x0000000000950000-0x0000000000979000-memory.dmp

Filesize
164KB

Download
memory/3148-130-0x0000000000000000-mapping.dmp

Download
memory/3648-127-0x0000000001370000-0x0000000001690000-memory.dmp

Filesize
3.1MB

Download
memory/3648-125-0x000000000041D480-mapping.dmp

Download
memory/3648-128-0x0000000001230000-0x0000000001241000-memory.dmp

Filesize
68KB

Download
memory/3648-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3668-115-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/3668-123-0x0000000008600000-0x000000000864C000-memory.dmp

Filesize
304KB

Download
memory/3668-122-0x0000000008650000-0x0000000008651000-memory.dmp

Filesize
4KB

Download
memory/3668-121-0x0000000005230000-0x0000000005237000-memory.dmp

Filesize
28KB

Download
memory/3668-120-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/3668-119-0x0000000004D90000-0x000000000528E000-memory.dmp

Filesize
5.0MB

Download
memory/3668-118-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/3668-117-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads