xloader | d44bc10f5bd18cc0467b5c3198014ff93c133b12b503b860c8d7eeba0ca60329

General

Target

819d2fdff92e281140049b008d9e368f.exe
Size

889KB
MD5

819d2fdff92e281140049b008d9e368f
SHA1

2ee177f5965d7275e9dd04bb888a7c5578b19e07
SHA256

d44bc10f5bd18cc0467b5c3198014ff93c133b12b503b860c8d7eeba0ca60329
SHA512

be2255c7c1eabf628cfd96281cdbc12b8379be5d94e0080dbd4f8bc86efe02ee252137d68499f5d55b3e20d5eb89e593443a1315ad122b20238d67348e62e90a

Score

10^/10

xloader pdrq loader persistence rat spyware stealer

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

pdrq

Decoy

welchsunstar.com

mppservicesllc.com

wiresofteflon.com

brabov.xyz

compnonoch.site

yourbuilderworks.com

iamsamirahman.com

eriqoes.com

eastudio.design

skyearth-est.com

teethfitness.com

razaancreates.com

shfbfs.com

joyfulbrokekids.com

kjbolden.com

howirep.com

deedeesmainecoons.website

e-powair.com

aheatea.com

shalfey0009.xyz

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1044-143-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1044-147-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1624-161-0x0000000000760000-0x000000000078B000-memory.dmp	xloader
behavioral2/memory/1624-167-0x0000000000760000-0x000000000078B000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

819d2fdff92e281140049b008d9e368f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	819d2fdff92e281140049b008d9e368f.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GDTPBHE8UP = "C:\\Program Files (x86)\\Qx2kdeflh\\rbxhp_pch.exe"	raserver.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

819d2fdff92e281140049b008d9e368f.exeRegSvcs.exeraserver.exe

description	pid	process	target process
PID 3460 set thread context of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 1044 set thread context of 2196	1044	RegSvcs.exe	Explorer.EXE
PID 1624 set thread context of 2196	1624	raserver.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

raserver.exe

description ioc process

File opened for modification C:\Program Files (x86)\Qx2kdeflh\rbxhp_pch.exe raserver.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1340 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Qx2kdeflh\rbxhp_pch.exe	raserver.exe

pid	process
1340	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

819d2fdff92e281140049b008d9e368f.exepowershell.exeRegSvcs.exeraserver.exe

pid	process
3460	819d2fdff92e281140049b008d9e368f.exe
3460	819d2fdff92e281140049b008d9e368f.exe
3460	819d2fdff92e281140049b008d9e368f.exe
3460	819d2fdff92e281140049b008d9e368f.exe
5096	powershell.exe
1044	RegSvcs.exe
1044	RegSvcs.exe
1044	RegSvcs.exe
1044	RegSvcs.exe
5096	powershell.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2196 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

RegSvcs.exeraserver.exe

pid process

1044 RegSvcs.exe
1044 RegSvcs.exe
1044 RegSvcs.exe
1624 raserver.exe
1624 raserver.exe
1624 raserver.exe
1624 raserver.exe

pid	process
2196	Explorer.EXE

pid	process
1044	RegSvcs.exe
1044	RegSvcs.exe
1044	RegSvcs.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe
1624	raserver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

819d2fdff92e281140049b008d9e368f.exepowershell.exeRegSvcs.exeraserver.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3460	819d2fdff92e281140049b008d9e368f.exe
Token: SeDebugPrivilege	5096	powershell.exe
Token: SeDebugPrivilege	1044	RegSvcs.exe
Token: SeDebugPrivilege	1624	raserver.exe
Token: SeShutdownPrivilege	2196	Explorer.EXE
Token: SeCreatePagefilePrivilege	2196	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

819d2fdff92e281140049b008d9e368f.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 3460 wrote to memory of 5096	3460	819d2fdff92e281140049b008d9e368f.exe	powershell.exe
PID 3460 wrote to memory of 5096	3460	819d2fdff92e281140049b008d9e368f.exe	powershell.exe
PID 3460 wrote to memory of 5096	3460	819d2fdff92e281140049b008d9e368f.exe	powershell.exe
PID 3460 wrote to memory of 1340	3460	819d2fdff92e281140049b008d9e368f.exe	schtasks.exe
PID 3460 wrote to memory of 1340	3460	819d2fdff92e281140049b008d9e368f.exe	schtasks.exe
PID 3460 wrote to memory of 1340	3460	819d2fdff92e281140049b008d9e368f.exe	schtasks.exe
PID 3460 wrote to memory of 1148	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1148	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1148	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 3460 wrote to memory of 1044	3460	819d2fdff92e281140049b008d9e368f.exe	RegSvcs.exe
PID 2196 wrote to memory of 1624	2196	Explorer.EXE	raserver.exe
PID 2196 wrote to memory of 1624	2196	Explorer.EXE	raserver.exe
PID 2196 wrote to memory of 1624	2196	Explorer.EXE	raserver.exe
PID 1624 wrote to memory of 4912	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 4912	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 4912	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 3704	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 3704	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 3704	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 4976	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 4976	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 4976	1624	raserver.exe	cmd.exe
PID 1624 wrote to memory of 2384	1624	raserver.exe	Firefox.exe
PID 1624 wrote to memory of 2384	1624	raserver.exe	Firefox.exe
PID 1624 wrote to memory of 2384	1624	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2196

C:\Users\Admin\AppData\Local\Temp\819d2fdff92e281140049b008d9e368f.exe
"C:\Users\Admin\AppData\Local\Temp\819d2fdff92e281140049b008d9e368f.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IlJWnRO.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IlJWnRO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44E8.tmp"
3⤵
- Creates scheduled task(s)
PID:1340

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1148

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1044

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:4912

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3704

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4976

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp44E8.tmp
Filesize
1KB

MD5
959dc3743594bf67b4b9e2208e7a451d

SHA1
024168d5e87c24d3fbd0cc29c75e10683cef1c71

SHA256
5548957edf2a9f3a277cfd4a525d860faf50b459f3537cb5b43d8fe05bd7f1ee

SHA512
1adbea7341be31057d9c2410728124b8bd8baaaa9ef06908f1ba2c4830a50a2b9ea21c7cc2d4119ac4fd832ae62d56633ca68ba31a1eae3b3dca47812aa4c7f5

Download Submit
memory/1044-149-0x0000000001520000-0x0000000001531000-memory.dmp

Filesize
68KB

Download
memory/1044-148-0x00000000019C0000-0x0000000001D0A000-memory.dmp

Filesize
3.3MB

Download
memory/1044-147-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1044-143-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1044-142-0x0000000000000000-mapping.dmp

Download
memory/1148-140-0x0000000000000000-mapping.dmp

Download
memory/1340-137-0x0000000000000000-mapping.dmp

Download
memory/1624-168-0x0000000002680000-0x0000000002710000-memory.dmp

Filesize
576KB

Download
memory/1624-160-0x00000000005F0000-0x000000000060F000-memory.dmp

Filesize
124KB

Download
memory/1624-158-0x0000000000000000-mapping.dmp

Download
memory/1624-161-0x0000000000760000-0x000000000078B000-memory.dmp

Filesize
172KB

Download
memory/1624-165-0x00000000027F0000-0x0000000002B3A000-memory.dmp

Filesize
3.3MB

Download
memory/1624-167-0x0000000000760000-0x000000000078B000-memory.dmp

Filesize
172KB

Download
memory/2196-170-0x0000000007A40000-0x0000000007B47000-memory.dmp

Filesize
1.0MB

Download
memory/2196-169-0x0000000007A40000-0x0000000007B47000-memory.dmp

Filesize
1.0MB

Download
memory/2196-150-0x00000000024F0000-0x00000000025B3000-memory.dmp

Filesize
780KB

Download
memory/3460-132-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/3460-131-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/3460-133-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/3460-130-0x00000000003C0000-0x00000000004A4000-memory.dmp

Filesize
912KB

Download
memory/3460-134-0x00000000086B0000-0x000000000874C000-memory.dmp

Filesize
624KB

Download
memory/3460-135-0x000000000B240000-0x000000000B2A6000-memory.dmp

Filesize
408KB

Download
memory/3704-171-0x0000000000000000-mapping.dmp

Download
memory/4912-162-0x0000000000000000-mapping.dmp

Download
memory/4976-173-0x0000000000000000-mapping.dmp

Download
memory/5096-153-0x0000000071120000-0x000000007116C000-memory.dmp

Filesize
304KB

Download
memory/5096-159-0x0000000007DA0000-0x0000000007E36000-memory.dmp

Filesize
600KB

Download
memory/5096-157-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/5096-156-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/5096-163-0x0000000007D50000-0x0000000007D5E000-memory.dmp

Filesize
56KB

Download
memory/5096-164-0x0000000007E60000-0x0000000007E7A000-memory.dmp

Filesize
104KB

Download
memory/5096-155-0x0000000008170000-0x00000000087EA000-memory.dmp

Filesize
6.5MB

Download
memory/5096-166-0x0000000007E40000-0x0000000007E48000-memory.dmp

Filesize
32KB

Download
memory/5096-154-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

Filesize
120KB

Download
memory/5096-152-0x0000000006DE0000-0x0000000006E12000-memory.dmp

Filesize
200KB

Download
memory/5096-151-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/5096-145-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/5096-144-0x0000000005840000-0x0000000005862000-memory.dmp

Filesize
136KB

Download
memory/5096-141-0x0000000005BA0000-0x00000000061C8000-memory.dmp

Filesize
6.2MB

Download
memory/5096-138-0x0000000002F10000-0x0000000002F46000-memory.dmp

Filesize
216KB

Download
memory/5096-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads