xloader | 6893bbff4695dce3754071670e11d7e7d310ad196b57cdb41cd8c3cd7ea3d8f3

General

Target

bnxcvbzxvxzvxzvzxvzx.exe
Size

680KB
MD5

d5025c93cb55f4249b4a25a56725a052
SHA1

50b93b51d0ffa4baffd40bf96b3967b115886d5d
SHA256

6893bbff4695dce3754071670e11d7e7d310ad196b57cdb41cd8c3cd7ea3d8f3
SHA512

754c71110c83a092bf18ed15ee56cffd3661d0f0801faa9189ce908a0fd1747422d4f73c751d12f10e18a0378abd9b77a099d6a9dc5153725ee26fad32699fc3

Score

10^/10

xloader be4o loader rat

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/460-58-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/460-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1548-70-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeaspnet_compiler.exechkdsk.exe

description	pid	process	target process
PID 1072 set thread context of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 460 set thread context of 1412	460	aspnet_compiler.exe	Explorer.EXE
PID 460 set thread context of 1412	460	aspnet_compiler.exe	Explorer.EXE
PID 1548 set thread context of 1412	1548	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
460	aspnet_compiler.exe
460	aspnet_compiler.exe
460	aspnet_compiler.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe
1548	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

aspnet_compiler.exechkdsk.exe

pid process

460 aspnet_compiler.exe
460 aspnet_compiler.exe
460 aspnet_compiler.exe
460 aspnet_compiler.exe
1548 chkdsk.exe
1548 chkdsk.exe

pid	process
1412	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeaspnet_compiler.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1072	bnxcvbzxvxzvxzvzxvzx.exe
Token: SeDebugPrivilege	460	aspnet_compiler.exe
Token: SeDebugPrivilege	1548	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1072 wrote to memory of 460	1072	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1412 wrote to memory of 1548	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1548	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1548	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1548	1412	Explorer.EXE	chkdsk.exe
PID 1548 wrote to memory of 1140	1548	chkdsk.exe	cmd.exe
PID 1548 wrote to memory of 1140	1548	chkdsk.exe	cmd.exe
PID 1548 wrote to memory of 1140	1548	chkdsk.exe	cmd.exe
PID 1548 wrote to memory of 1140	1548	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:1412

C:\Users\Admin\AppData\Local\Temp\bnxcvbzxvxzvxzvzxvzx.exe
"C:\Users\Admin\AppData\Local\Temp\bnxcvbzxvxzvxzvzxvzx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

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:460

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:1548

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:1140

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

Loading Replay Monitor...

Downloads

memory/460-63-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/460-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/460-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/460-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/460-62-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/460-61-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/460-66-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/460-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/460-67-0x0000000000430000-0x0000000000441000-memory.dmp

Filesize
68KB

Download
memory/1072-54-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp

Filesize
4KB

Download
memory/1072-55-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/1072-59-0x000000001B280000-0x000000001B282000-memory.dmp

Filesize
8KB

Download
memory/1072-53-0x00000000000B0000-0x0000000000160000-memory.dmp

Filesize
704KB

Download
memory/1412-64-0x0000000006640000-0x000000000670A000-memory.dmp

Filesize
808KB

Download
memory/1412-68-0x0000000006960000-0x0000000006A28000-memory.dmp

Filesize
800KB

Download
memory/1412-73-0x0000000003E50000-0x0000000003EFA000-memory.dmp

Filesize
680KB

Download
memory/1548-69-0x0000000000960000-0x0000000000967000-memory.dmp

Filesize
28KB

Download
memory/1548-70-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/1548-71-0x0000000002040000-0x0000000002343000-memory.dmp

Filesize
3.0MB

Download
memory/1548-72-0x0000000001EB0000-0x0000000001F40000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads