xloader | 2179647ebf96503deb5fae78827c5d99757f2926f0226cb5a6e4181e2f0c1a07

General

Target

Alis sifarisi.exe
Size

1.0MB
MD5

54c39236d174c27d217736cd049d8bbd
SHA1

832f5c5c4cbf2b4f888f319654cf002176bbb916
SHA256

2179647ebf96503deb5fae78827c5d99757f2926f0226cb5a6e4181e2f0c1a07
SHA512

1df01d52dc6965d5b42c3f03887b01c0fdd1593666e1733d8776d4a64f22253c062e6f1e29fc403f2217547f96962955fe7733b23b55b0f5fd3a5774acec5c7a

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/972-138-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral2/memory/1248-145-0x0000000002CD0000-0x0000000002CF9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Alis sifarisi.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cndjwdks = "C:\\Users\\Admin\\skdwjdnC.url"	Alis sifarisi.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exehelp.exe

description	pid	process	target process
PID 972 set thread context of 2448	972	logagent.exe	Explorer.EXE
PID 1248 set thread context of 2448	1248	help.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132892236211864624"	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\DownloadMonthlyRateBkBps = "1157726"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownlinkBps = "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\UploadMonthlyInternetBytes = "0"	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\UploadRatePct = "100"	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\DownloadMonthlyCdnBytes = "0"	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\GroupConnectionCount = "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\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 (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\Usage\DownloadMonthlyLinkLocalBytes = "0"	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\DownloadMonthlyCacheHostBytes = "0"	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\InternetConnectionCount = "0"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.656546"	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\MemoryUsageKB = "3824"	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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "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\MemoryUsageKB = "4064"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

logagent.exehelp.exe

pid	process
972	logagent.exe
972	logagent.exe
972	logagent.exe
972	logagent.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe
1248	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2448 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exehelp.exe

pid process

972 logagent.exe
972 logagent.exe
972 logagent.exe
1248 help.exe
1248 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exehelp.exe

description pid process

Token: SeDebugPrivilege 972 logagent.exe
Token: SeDebugPrivilege 1248 help.exe

pid	process
2448	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	972	logagent.exe
Token: SeDebugPrivilege	1248	help.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Alis sifarisi.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 3868 wrote to memory of 972	3868	Alis sifarisi.exe	logagent.exe
PID 2448 wrote to memory of 1248	2448	Explorer.EXE	help.exe
PID 2448 wrote to memory of 1248	2448	Explorer.EXE	help.exe
PID 2448 wrote to memory of 1248	2448	Explorer.EXE	help.exe
PID 1248 wrote to memory of 1496	1248	help.exe	cmd.exe
PID 1248 wrote to memory of 1496	1248	help.exe	cmd.exe
PID 1248 wrote to memory of 1496	1248	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\Alis sifarisi.exe
"C:\Users\Admin\AppData\Local\Temp\Alis sifarisi.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3868

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:972

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2984

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:1496

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1252

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:1928

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/972-142-0x0000000004300000-0x0000000004311000-memory.dmp

Filesize
68KB

Download
memory/972-137-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/972-138-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/972-140-0x0000000004450000-0x000000000479A000-memory.dmp

Filesize
3.3MB

Download
memory/972-141-0x000000007249D000-0x000000007249E000-memory.dmp

Filesize
4KB

Download
memory/1248-144-0x0000000000CA0000-0x0000000000CA7000-memory.dmp

Filesize
28KB

Download
memory/1248-146-0x00000000034D0000-0x000000000381A000-memory.dmp

Filesize
3.3MB

Download
memory/1248-145-0x0000000002CD0000-0x0000000002CF9000-memory.dmp

Filesize
164KB

Download
memory/1248-147-0x0000000003200000-0x0000000003290000-memory.dmp

Filesize
576KB

Download
memory/2448-143-0x0000000002DA0000-0x0000000002E4E000-memory.dmp

Filesize
696KB

Download
memory/2448-148-0x0000000007B40000-0x0000000007C59000-memory.dmp

Filesize
1.1MB

Download
memory/3868-135-0x0000000000406000-0x0000000000407000-memory.dmp

Filesize
4KB

Download
memory/3868-133-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads