xloader | d4a859db98f9fd7473592c49c36ac926a2a29b27d7db8fc311f468bf82e64588

General

Target

JPG.087654443356.PDF.exe
Size

816KB
MD5

b9e30dedab75a4a3a3394e72f4245959
SHA1

00ce18c3ee60fe09ffefa790484a36fac9b9a6bd
SHA256

d4a859db98f9fd7473592c49c36ac926a2a29b27d7db8fc311f468bf82e64588
SHA512

182c549a2d2bc8216bae7fe11632883941daf86d4727a68e526be0c9be023674659ac978691e8d0a6f1e0befbb5b15cd5c8a892a5887acd63344191a46b41a94

Score

10^/10

xloader pvxz loader persistence rat

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1544-136-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral2/memory/1544-142-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

JPG.087654443356.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bkmpihy = "C:\\Users\\Public\\yhipmkB.url"	JPG.087654443356.PDF.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exe

description	pid	process	target process
PID 1544 set thread context of 2324	1544	logagent.exe	Explorer.EXE
PID 1544 set thread context of 2324	1544	logagent.exe	Explorer.EXE

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	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

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 54 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.546614"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132900735308777351"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.795933"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.080114"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

logagent.exe

pid process

1544 logagent.exe
1544 logagent.exe
1544 logagent.exe
1544 logagent.exe
1544 logagent.exe
1544 logagent.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

logagent.exe

pid process

1544 logagent.exe
1544 logagent.exe
1544 logagent.exe
1544 logagent.exe

pid	process
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe

pid	process
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe
1544	logagent.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

TiWorker.exelogagent.exe

description	pid	process
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeDebugPrivilege	1544	logagent.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe
Token: SeBackupPrivilege	2376	TiWorker.exe
Token: SeRestorePrivilege	2376	TiWorker.exe
Token: SeSecurityPrivilege	2376	TiWorker.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

JPG.087654443356.PDF.exeExplorer.EXE

description	pid	process	target process
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 1128 wrote to memory of 1544	1128	JPG.087654443356.PDF.exe	logagent.exe
PID 2324 wrote to memory of 400	2324	Explorer.EXE	explorer.exe
PID 2324 wrote to memory of 400	2324	Explorer.EXE	explorer.exe
PID 2324 wrote to memory of 400	2324	Explorer.EXE	explorer.exe
PID 2324 wrote to memory of 724	2324	Explorer.EXE	WWAHost.exe
PID 2324 wrote to memory of 724	2324	Explorer.EXE	WWAHost.exe
PID 2324 wrote to memory of 724	2324	Explorer.EXE	WWAHost.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:2324

C:\Users\Admin\AppData\Local\Temp\JPG.087654443356.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\JPG.087654443356.PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1544

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
PID:724

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
PID:400

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3248

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:2376

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1128-130-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/1128-132-0x0000000000406000-0x0000000000407000-memory.dmp

Filesize
4KB

Download
memory/1128-134-0x0000000000736000-0x0000000000737000-memory.dmp

Filesize
4KB

Download
memory/1544-139-0x000000007249D000-0x000000007249E000-memory.dmp

Filesize
4KB

Download
memory/1544-136-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1544-137-0x00000000045D0000-0x000000000491A000-memory.dmp

Filesize
3.3MB

Download
memory/1544-135-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1544-140-0x0000000004450000-0x0000000004461000-memory.dmp

Filesize
68KB

Download
memory/1544-142-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/1544-143-0x000000007249D000-0x000000007249E000-memory.dmp

Filesize
4KB

Download
memory/1544-144-0x00000000045A0000-0x00000000045B1000-memory.dmp

Filesize
68KB

Download
memory/2324-141-0x00000000027E0000-0x00000000028BB000-memory.dmp

Filesize
876KB

Download
memory/2324-145-0x0000000007D80000-0x0000000007E90000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads