xloader | fa5511f4b07ca39be9b04bee49a2b103cf827a207d316d4d41bad9cede43c9bc

General

Target

Payment Advice.gz.exe
Size

370KB
MD5

5cda0b468d4136fb19e1f79c258acbb9
SHA1

0cb7a1174cf5d5a7089c8ed585c5e670974b9048
SHA256

fa5511f4b07ca39be9b04bee49a2b103cf827a207d316d4d41bad9cede43c9bc
SHA512

e05c563a4caf8aa1def8febbe0042cd97b8b08ff2c6a69215610b321fb77132f6f9f6d804cba0d2cc060e7d81789d379475b03b107087555f717809f51784f44

Score

10^/10

xloader be4o loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

be4o

Decoy

neonewway.club

kuanghong.club

7bkj.com

ooo-club.com

kamchatka-agency.com

sjsndtvitzru.mobi

noireimpactcollective.net

justbe-event.com

easypeasy.community

southcoast.glass

janhenningsen.com

jmxyjj.com

tarihibilet.com

nagradi7.com

percentrostered.net

certvaxid.com

kingseafoodsydney.com

blacksheepwalk.com

waktuk.com

inteligenciaenrefrigeracion.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/568-58-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/568-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1400-67-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

Payment Advice.gz.exeaspnet_compiler.exechkdsk.exe

description	pid	process	target process
PID 1912 set thread context of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 568 set thread context of 1436	568	aspnet_compiler.exe	Explorer.EXE
PID 568 set thread context of 1436	568	aspnet_compiler.exe	Explorer.EXE
PID 1400 set thread context of 1436	1400	chkdsk.exe	Explorer.EXE

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 30 IoCs

Processes:

aspnet_compiler.exechkdsk.exe

pid	process
568	aspnet_compiler.exe
568	aspnet_compiler.exe
568	aspnet_compiler.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe
1400	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1436 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

aspnet_compiler.exechkdsk.exe

pid process

568 aspnet_compiler.exe
568 aspnet_compiler.exe
568 aspnet_compiler.exe
568 aspnet_compiler.exe
1400 chkdsk.exe
1400 chkdsk.exe

pid	process
1436	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment Advice.gz.exeaspnet_compiler.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1912	Payment Advice.gz.exe
Token: SeDebugPrivilege	568	aspnet_compiler.exe
Token: SeDebugPrivilege	1400	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1436 Explorer.EXE
1436 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1436 Explorer.EXE
1436 Explorer.EXE

pid	process
1436	Explorer.EXE
1436	Explorer.EXE

pid	process
1436	Explorer.EXE
1436	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment Advice.gz.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1912 wrote to memory of 568	1912	Payment Advice.gz.exe	aspnet_compiler.exe
PID 1436 wrote to memory of 1400	1436	Explorer.EXE	chkdsk.exe
PID 1436 wrote to memory of 1400	1436	Explorer.EXE	chkdsk.exe
PID 1436 wrote to memory of 1400	1436	Explorer.EXE	chkdsk.exe
PID 1436 wrote to memory of 1400	1436	Explorer.EXE	chkdsk.exe
PID 1400 wrote to memory of 1316	1400	chkdsk.exe	cmd.exe
PID 1400 wrote to memory of 1316	1400	chkdsk.exe	cmd.exe
PID 1400 wrote to memory of 1316	1400	chkdsk.exe	cmd.exe
PID 1400 wrote to memory of 1316	1400	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:1436

C:\Users\Admin\AppData\Local\Temp\Payment Advice.gz.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.gz.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:568

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:1400

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:1316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/568-60-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/568-64-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/568-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-61-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1400-66-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

Filesize
28KB

Download
memory/1400-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1400-68-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/1400-69-0x0000000000970000-0x0000000000A00000-memory.dmp

Filesize
576KB

Download
memory/1400-71-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1436-62-0x0000000006C90000-0x0000000006D8C000-memory.dmp

Filesize
1008KB

Download
memory/1436-65-0x0000000006D90000-0x0000000006F00000-memory.dmp

Filesize
1.4MB

Download
memory/1436-70-0x0000000005EB0000-0x0000000005F64000-memory.dmp

Filesize
720KB

Download
memory/1912-55-0x00000000007D0000-0x00000000007E6000-memory.dmp

Filesize
88KB

Download
memory/1912-54-0x000000001ADD0000-0x000000001ADD2000-memory.dmp

Filesize
8KB

Download
memory/1912-53-0x000000013F340000-0x000000013F3A0000-memory.dmp

Filesize
384KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads