xloader | 413e8df7f149aa643aaa1ef70e953ab2112827b652f1cf05b6420ed6a119962d

General

Target

Se adjunta el pedido, proforma.exe
Size

714KB
MD5

deea7525a547ed7a9ef6c81b04478f3e
SHA1

b29c935913a55c9bad3979d05d97a6ebda871604
SHA256

413e8df7f149aa643aaa1ef70e953ab2112827b652f1cf05b6420ed6a119962d
SHA512

ddb161a25bdc6465ddba19c8781773006e8cbf7b8e909aae20eb4cc577b085c72d75bed40b0d4ab2363003759a344b1aad2235381ab3c10043b3e47e2ee9f139

Score

10^/10

xloader euv4 loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

euv4

C2

http://www.rematedeldia.com/euv4/

Decoy

anniebapartments.com

hagenbicycles.com

herbalist101.com

southerncorrosion.net

kuechenpruefer.com

tajniezdrzi.quest

segurofunerarioar.com

boardsandbeamsdecor.com

alifdanismanlik.com

pkem.top

mddc.clinic

handejqr.com

crux-at.com

awp.email

hugsforbubbs.com

cielotherepy.com

turkcuyuz.com

teamidc.com

lankasirinspa.com

68135.online

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/1020-120-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/1020-123-0x0000000073D80000-0x0000000073DA9000-memory.dmp	xloader
behavioral2/memory/348-129-0x0000000000250000-0x0000000000279000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Se adjunta el pedido, proforma.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Lxtcsmeg = "C:\\Users\\Admin\\Contacts\\Lxtcsmeg\\gemsctxL.url"	Se adjunta el pedido, proforma.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exewlanext.exe

description	pid	process	target process
PID 1020 set thread context of 3024	1020	DpiScaling.exe	Explorer.EXE
PID 348 set thread context of 3024	348	wlanext.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

DpiScaling.exewlanext.exe

pid	process
1020	DpiScaling.exe
1020	DpiScaling.exe
1020	DpiScaling.exe
1020	DpiScaling.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe
348	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exewlanext.exe

pid process

1020 DpiScaling.exe
1020 DpiScaling.exe
1020 DpiScaling.exe
348 wlanext.exe
348 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1020 DpiScaling.exe
Token: SeDebugPrivilege 348 wlanext.exe

pid	process
3024	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1020	DpiScaling.exe
Token: SeDebugPrivilege	348	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Se adjunta el pedido, proforma.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 2768 wrote to memory of 1020	2768	Se adjunta el pedido, proforma.exe	DpiScaling.exe
PID 3024 wrote to memory of 348	3024	Explorer.EXE	wlanext.exe
PID 3024 wrote to memory of 348	3024	Explorer.EXE	wlanext.exe
PID 3024 wrote to memory of 348	3024	Explorer.EXE	wlanext.exe
PID 348 wrote to memory of 60	348	wlanext.exe	cmd.exe
PID 348 wrote to memory of 60	348	wlanext.exe	cmd.exe
PID 348 wrote to memory of 60	348	wlanext.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\Se adjunta el pedido, proforma.exe
"C:\Users\Admin\AppData\Local\Temp\Se adjunta el pedido, proforma.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2768

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1020

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:348

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:60

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/60-131-0x0000000000000000-mapping.dmp

Download
memory/348-127-0x0000000000000000-mapping.dmp

Download
memory/348-132-0x00000000029B0000-0x0000000002A40000-memory.dmp

Filesize
576KB

Download
memory/348-130-0x0000000002CF0000-0x0000000003010000-memory.dmp

Filesize
3.1MB

Download
memory/348-128-0x0000000000350000-0x0000000000367000-memory.dmp

Filesize
92KB

Download
memory/348-129-0x0000000000250000-0x0000000000279000-memory.dmp

Filesize
164KB

Download
memory/1020-123-0x0000000073D80000-0x0000000073DA9000-memory.dmp

Filesize
164KB

Download
memory/1020-125-0x0000000004B70000-0x0000000004B81000-memory.dmp

Filesize
68KB

Download
memory/1020-124-0x0000000004D20000-0x0000000005040000-memory.dmp

Filesize
3.1MB

Download
memory/1020-122-0x0000000002B60000-0x0000000002B61000-memory.dmp

Filesize
4KB

Download
memory/1020-120-0x0000000000000000-mapping.dmp

Download
memory/2768-118-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/2768-119-0x0000000002901000-0x0000000002915000-memory.dmp

Filesize
80KB

Download
memory/3024-126-0x0000000006490000-0x00000000065D9000-memory.dmp

Filesize
1.3MB

Download
memory/3024-133-0x0000000002F70000-0x0000000003036000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads