xloader | f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175

General

Target

cxl.exe
Size

440KB
MD5

f51da2ac8cdfc1ff41921f0fceee4514
SHA1

f910ed6637480ff6930df72d9258029641a186ba
SHA256

f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175
SHA512

830f6fadf25b3b839d648a71e82eb3fb37c0e5376d5ce76044a39321ab54f356cec4f9a8ef08f01ebe2d86b6e6643a24a591b680ab2f88c29ecb8e43e837ed46

Score

10^/10

xloader noha loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

noha

C2

http://www.mglracing.com/noha/

Decoy

iphone13promax.support

trailer-racks.xyz

overseaspoolservice.com

r2d2u.com

dawajeju.com

nextgenproxyvote.com

xn--vhqp8mm8dbtz.group

commonsenserisk.com

cmcqgxtyd.com

data2form.com

bois-applique.com

originallollipop.com

lj0008lj.net

spfldvaccineday.info

phalcosnusa.com

llcmastermachine.com

onlyforu14.rest

bestmarketingautomations.com

officialswitchmusic.com

thepretenseofjustice.com

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
behavioral1/memory/1776-55-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1776-56-0x000000000041D490-mapping.dmp	xloader
behavioral1/memory/1828-65-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

316 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

cxl.exe

pid process

1544 cxl.exe

pid	process
316	cmd.exe

pid	process
1544	cxl.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

cxl.execxl.exechkdsk.exe

description	pid	process	target process
PID 1544 set thread context of 1776	1544	cxl.exe	cxl.exe
PID 1776 set thread context of 1404	1776	cxl.exe	Explorer.EXE
PID 1776 set thread context of 1404	1776	cxl.exe	Explorer.EXE
PID 1828 set thread context of 1404	1828	chkdsk.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

cxl.exechkdsk.exe

pid	process
1776	cxl.exe
1776	cxl.exe
1776	cxl.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe
1828	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

cxl.exechkdsk.exe

pid process

1776 cxl.exe
1776 cxl.exe
1776 cxl.exe
1776 cxl.exe
1828 chkdsk.exe
1828 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cxl.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1776 cxl.exe
Token: SeDebugPrivilege 1828 chkdsk.exe
Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
Suspicious use of SendNotifyMessage 6 IoCs

Processes:

Explorer.EXE

pid process

1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE
1404 Explorer.EXE

pid	process
1404	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1776	cxl.exe
Token: SeDebugPrivilege	1828	chkdsk.exe

pid	process
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE

pid	process
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE
1404	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cxl.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1544 wrote to memory of 1776	1544	cxl.exe	cxl.exe
PID 1404 wrote to memory of 1828	1404	Explorer.EXE	chkdsk.exe
PID 1404 wrote to memory of 1828	1404	Explorer.EXE	chkdsk.exe
PID 1404 wrote to memory of 1828	1404	Explorer.EXE	chkdsk.exe
PID 1404 wrote to memory of 1828	1404	Explorer.EXE	chkdsk.exe
PID 1828 wrote to memory of 316	1828	chkdsk.exe	cmd.exe
PID 1828 wrote to memory of 316	1828	chkdsk.exe	cmd.exe
PID 1828 wrote to memory of 316	1828	chkdsk.exe	cmd.exe
PID 1828 wrote to memory of 316	1828	chkdsk.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:1404

C:\Users\Admin\AppData\Local\Temp\cxl.exe
"C:\Users\Admin\AppData\Local\Temp\cxl.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\Temp\cxl.exe
"C:\Users\Admin\AppData\Local\Temp\cxl.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1776

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\cxl.exe"
3⤵
- Deletes itself
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nslB1C2.tmp\iivedwr.dll
MD5
3e9d045c2d39e938be8d6ca201334b33

SHA1
2d186f686d45dfdd4657b905ae96976696fd8413

SHA256
017ac808ba839b52ff09e5cced4a6a7e1673a8bdbcc4f5e78d8e0ce3b05acc7d

SHA512
48ffe8f61bc0ee3121658600ae91e63631b99c1d7332898ac4e68fcde6348a6ff419d71171905c1ee1f5440e13405bbd1734fe2f3e0e460ffc0a9c86bac724d1

Download Submit
memory/316-63-0x0000000000000000-mapping.dmp

Download
memory/1404-59-0x0000000006050000-0x0000000006170000-memory.dmp

Filesize
1.1MB

Download
memory/1404-68-0x0000000006A60000-0x0000000006B6F000-memory.dmp

Filesize
1.1MB

Download
memory/1404-61-0x0000000004210000-0x000000000430B000-memory.dmp

Filesize
1004KB

Download
memory/1544-53-0x00000000751D1000-0x00000000751D3000-memory.dmp

Filesize
8KB

Download
memory/1776-57-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1776-60-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download
memory/1776-58-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download
memory/1776-56-0x000000000041D490-mapping.dmp

Download
memory/1776-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1828-62-0x0000000000000000-mapping.dmp

Download
memory/1828-65-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1828-66-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/1828-64-0x00000000005A0000-0x00000000005A7000-memory.dmp

Filesize
28KB

Download
memory/1828-67-0x0000000001DE0000-0x0000000001E70000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads