xloader | 51abc2e98d5bd75b74bf30aab05092d714cf2ae43c55e9640c883293ca2d5db9

General

Target

Statement of account, 2021 to 2021.PDF.exe
Size

713KB
MD5

3337f2f040878565081d719c1fe3143e
SHA1

bb0a6a3f211d8f05c108315d393710b357d54879
SHA256

51abc2e98d5bd75b74bf30aab05092d714cf2ae43c55e9640c883293ca2d5db9
SHA512

ad2af7696e34147ddec05fe29a29f480b87f6396cbb83596badea769902e5d275862c97380014fec106ae83c2652fbe5ba62b7fb7c4a5ec4c0f013d7a57972b8

Score

10^/10

xloader pvxz loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pvxz

Decoy

imt-token.club

abravewayocen.online

shcloudcar.com

mshoppingworld.online

ncgf08.xyz

stuinfo.xyz

wesavetheplanetofficial.com

tourbox.xyz

believeinyourselftraining.com

jsboyat.com

aaeconomy.info

9etmorea.info

purosepeti7.com

goticketly.com

pinkmemorypt.com

mylifewellnesscentre.com

iridina.online

petrestore.online

neema.xyz

novelfooditalia.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/2968-137-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral2/memory/3784-144-0x0000000001040000-0x0000000001069000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

52 3784 rundll32.exe

flow	pid	process
52	3784	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Statement of account, 2021 to 2021.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mugohkzd = "C:\\Users\\Admin\\dzkhoguM.url"	Statement of account, 2021 to 2021.PDF.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exerundll32.exe

description	pid	process	target process
PID 2968 set thread context of 1068	2968	DpiScaling.exe	Explorer.EXE
PID 3784 set thread context of 1068	3784	rundll32.exe	Explorer.EXE

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

DpiScaling.exerundll32.exe

pid	process
2968	DpiScaling.exe
2968	DpiScaling.exe
2968	DpiScaling.exe
2968	DpiScaling.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe
3784	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1068 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exerundll32.exe

pid process

2968 DpiScaling.exe
2968 DpiScaling.exe
2968 DpiScaling.exe
3784 rundll32.exe
3784 rundll32.exe

pid	process
1068	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeDpiScaling.exeTiWorker.exerundll32.exe

description	pid	process
Token: SeShutdownPrivilege	4656	svchost.exe
Token: SeCreatePagefilePrivilege	4656	svchost.exe
Token: SeShutdownPrivilege	4656	svchost.exe
Token: SeCreatePagefilePrivilege	4656	svchost.exe
Token: SeShutdownPrivilege	4656	svchost.exe
Token: SeCreatePagefilePrivilege	4656	svchost.exe
Token: SeDebugPrivilege	2968	DpiScaling.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeDebugPrivilege	3784	rundll32.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe
Token: SeSecurityPrivilege	4844	TiWorker.exe
Token: SeBackupPrivilege	4844	TiWorker.exe
Token: SeRestorePrivilege	4844	TiWorker.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1068 Explorer.EXE

pid	process
1068	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Statement of account, 2021 to 2021.PDF.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 2744 wrote to memory of 2968	2744	Statement of account, 2021 to 2021.PDF.exe	DpiScaling.exe
PID 1068 wrote to memory of 3784	1068	Explorer.EXE	rundll32.exe
PID 1068 wrote to memory of 3784	1068	Explorer.EXE	rundll32.exe
PID 1068 wrote to memory of 3784	1068	Explorer.EXE	rundll32.exe
PID 3784 wrote to memory of 3432	3784	rundll32.exe	cmd.exe
PID 3784 wrote to memory of 3432	3784	rundll32.exe	cmd.exe
PID 3784 wrote to memory of 3432	3784	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1068

C:\Users\Admin\AppData\Local\Temp\Statement of account, 2021 to 2021.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of account, 2021 to 2021.PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2744

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:2968

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:3432

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:4656

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:4844

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1068-147-0x0000000008960000-0x0000000008A3A000-memory.dmp

Filesize
872KB

Download
memory/1068-142-0x00000000087F0000-0x0000000008956000-memory.dmp

Filesize
1.4MB

Download
memory/2744-131-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/2968-140-0x000000007249D000-0x000000007249E000-memory.dmp

Filesize
4KB

Download
memory/2968-136-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/2968-137-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/2968-139-0x0000000002DC0000-0x000000000310A000-memory.dmp

Filesize
3.3MB

Download
memory/2968-141-0x0000000002CF0000-0x0000000002D01000-memory.dmp

Filesize
68KB

Download
memory/3784-143-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/3784-144-0x0000000001040000-0x0000000001069000-memory.dmp

Filesize
164KB

Download
memory/3784-145-0x0000000002F10000-0x000000000325A000-memory.dmp

Filesize
3.3MB

Download
memory/3784-146-0x0000000002D70000-0x0000000002E00000-memory.dmp

Filesize
576KB

Download
memory/4656-134-0x0000020BBA770000-0x0000020BBA774000-memory.dmp

Filesize
16KB

Download
memory/4656-133-0x0000020BB7B60000-0x0000020BB7B70000-memory.dmp

Filesize
64KB

Download
memory/4656-132-0x0000020BB7390000-0x0000020BB73A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads