xloader | 6893bbff4695dce3754071670e11d7e7d310ad196b57cdb41cd8c3cd7ea3d8f3

General

Target

bnxcvbzxvxzvxzvzxvzx.exe
Size

680KB
MD5

d5025c93cb55f4249b4a25a56725a052
SHA1

50b93b51d0ffa4baffd40bf96b3967b115886d5d
SHA256

6893bbff4695dce3754071670e11d7e7d310ad196b57cdb41cd8c3cd7ea3d8f3
SHA512

754c71110c83a092bf18ed15ee56cffd3661d0f0801faa9189ce908a0fd1747422d4f73c751d12f10e18a0378abd9b77a099d6a9dc5153725ee26fad32699fc3

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3580-131-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3392-144-0x0000000000380000-0x00000000003A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeaspnet_compiler.exeWWAHost.exe

description	pid	process	target process
PID 1496 set thread context of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 3580 set thread context of 2688	3580	aspnet_compiler.exe	Explorer.EXE
PID 3392 set thread context of 2688	3392	WWAHost.exe	Explorer.EXE

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

aspnet_compiler.exeWWAHost.exe

pid	process
3580	aspnet_compiler.exe
3580	aspnet_compiler.exe
3580	aspnet_compiler.exe
3580	aspnet_compiler.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe
3392	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2688 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

aspnet_compiler.exeWWAHost.exe

pid process

3580 aspnet_compiler.exe
3580 aspnet_compiler.exe
3580 aspnet_compiler.exe
3392 WWAHost.exe
3392 WWAHost.exe

pid	process
2688	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeaspnet_compiler.exesvchost.exeWWAHost.exeTiWorker.exe

description	pid	process
Token: SeDebugPrivilege	1496	bnxcvbzxvxzvxzvzxvzx.exe
Token: SeDebugPrivilege	3580	aspnet_compiler.exe
Token: SeShutdownPrivilege	1372	svchost.exe
Token: SeCreatePagefilePrivilege	1372	svchost.exe
Token: SeShutdownPrivilege	1372	svchost.exe
Token: SeCreatePagefilePrivilege	1372	svchost.exe
Token: SeShutdownPrivilege	1372	svchost.exe
Token: SeCreatePagefilePrivilege	1372	svchost.exe
Token: SeDebugPrivilege	3392	WWAHost.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe
Token: SeRestorePrivilege	212	TiWorker.exe
Token: SeSecurityPrivilege	212	TiWorker.exe
Token: SeBackupPrivilege	212	TiWorker.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

bnxcvbzxvxzvxzvzxvzx.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 1496 wrote to memory of 3580	1496	bnxcvbzxvxzvxzvzxvzx.exe	aspnet_compiler.exe
PID 2688 wrote to memory of 3392	2688	Explorer.EXE	WWAHost.exe
PID 2688 wrote to memory of 3392	2688	Explorer.EXE	WWAHost.exe
PID 2688 wrote to memory of 3392	2688	Explorer.EXE	WWAHost.exe
PID 3392 wrote to memory of 4656	3392	WWAHost.exe	cmd.exe
PID 3392 wrote to memory of 4656	3392	WWAHost.exe	cmd.exe
PID 3392 wrote to memory of 4656	3392	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2688

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:1496

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:3580

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:4656

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1372

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1372-139-0x000001E520560000-0x000001E520570000-memory.dmp

Filesize
64KB

Download
memory/1372-141-0x000001E523190000-0x000001E523194000-memory.dmp

Filesize
16KB

Download
memory/1372-140-0x000001E520B20000-0x000001E520B30000-memory.dmp

Filesize
64KB

Download
memory/1496-133-0x0000000003370000-0x0000000003372000-memory.dmp

Filesize
8KB

Download
memory/1496-132-0x00007FFC2C3A3000-0x00007FFC2C3A5000-memory.dmp

Filesize
8KB

Download
memory/1496-130-0x0000000000F50000-0x0000000001000000-memory.dmp

Filesize
704KB

Download
memory/2688-146-0x00000000085C0000-0x000000000874D000-memory.dmp

Filesize
1.6MB

Download
memory/2688-138-0x00000000084A0000-0x00000000085BD000-memory.dmp

Filesize
1.1MB

Download
memory/3392-143-0x0000000001520000-0x000000000186A000-memory.dmp

Filesize
3.3MB

Download
memory/3392-142-0x0000000000DB0000-0x0000000000E8C000-memory.dmp

Filesize
880KB

Download
memory/3392-144-0x0000000000380000-0x00000000003A9000-memory.dmp

Filesize
164KB

Download
memory/3392-145-0x00000000011C0000-0x0000000001250000-memory.dmp

Filesize
576KB

Download
memory/3580-137-0x00000000019F0000-0x0000000001A01000-memory.dmp

Filesize
68KB

Download
memory/3580-136-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/3580-135-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/3580-131-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads