xloader | 591d5e87b26cd03ea5de4713869cc4c492f8c53c0fac150ebdb41eedf3ab9a3a

General

Target

PO.10032021.exe
Size

830KB
MD5

4ba87f01d518f5b660cc487d488dbf3b
SHA1

48ac926df1e641b32935f095523140701d5013c6
SHA256

fbaf103427e20432a3dcf19733b5f447bb6f0b2e5c700c76df55c2d977d080ae
SHA512

8621c3a2cbb7632a47d1b566e80eae51ad91e037fc49c715d1dc255ced2715791e3b4069d83cb3d6c856e4257674f1775dfb0e48bbd844862b9d7ea59f702547

Score

10^/10

xloader pvxz loader persistence rat spyware stealer

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pvxz

C2

http://www.finetipster.com/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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/876-56-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/876-59-0x0000000072480000-0x00000000724A9000-memory.dmp	xloader
behavioral1/memory/548-65-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

igfxldf4l.exe

pid process

1716 igfxldf4l.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

pid	process
1716	igfxldf4l.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\L42XNTK0CNY = "C:\\Program Files (x86)\\L-z4tqdzh\\igfxldf4l.exe"	cscript.exe
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cscript.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.execscript.exe

description	pid	process	target process
PID 876 set thread context of 1392	876	DpiScaling.exe	Explorer.EXE
PID 548 set thread context of 1392	548	cscript.exe	Explorer.EXE

Drops file in Program Files directory 2 IoCs

Processes:

cscript.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\L-z4tqdzh\igfxldf4l.exe	cscript.exe
File created	C:\Program Files (x86)\L-z4tqdzh\igfxldf4l.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3456797065-1076791440-4146276586-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cscript.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

DpiScaling.execscript.exe

pid	process
876	DpiScaling.exe
876	DpiScaling.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe
548	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DpiScaling.execscript.exe

pid process

876 DpiScaling.exe
876 DpiScaling.exe
876 DpiScaling.exe
548 cscript.exe
548 cscript.exe
548 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.execscript.exe

description pid process

Token: SeDebugPrivilege 876 DpiScaling.exe
Token: SeDebugPrivilege 548 cscript.exe

description	pid	process
Token: SeDebugPrivilege	876	DpiScaling.exe
Token: SeDebugPrivilege	548	cscript.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

PO.10032021.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1144 wrote to memory of 876	1144	PO.10032021.exe	DpiScaling.exe
PID 1392 wrote to memory of 548	1392	Explorer.EXE	cscript.exe
PID 1392 wrote to memory of 548	1392	Explorer.EXE	cscript.exe
PID 1392 wrote to memory of 548	1392	Explorer.EXE	cscript.exe
PID 1392 wrote to memory of 548	1392	Explorer.EXE	cscript.exe
PID 548 wrote to memory of 2036	548	cscript.exe	cmd.exe
PID 548 wrote to memory of 2036	548	cscript.exe	cmd.exe
PID 548 wrote to memory of 2036	548	cscript.exe	cmd.exe
PID 548 wrote to memory of 2036	548	cscript.exe	cmd.exe
PID 1392 wrote to memory of 1716	1392	Explorer.EXE	igfxldf4l.exe
PID 1392 wrote to memory of 1716	1392	Explorer.EXE	igfxldf4l.exe
PID 1392 wrote to memory of 1716	1392	Explorer.EXE	igfxldf4l.exe
PID 1392 wrote to memory of 1716	1392	Explorer.EXE	igfxldf4l.exe
PID 548 wrote to memory of 1740	548	cscript.exe	Firefox.exe
PID 548 wrote to memory of 1740	548	cscript.exe	Firefox.exe
PID 548 wrote to memory of 1740	548	cscript.exe	Firefox.exe
PID 548 wrote to memory of 1740	548	cscript.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\PO.10032021.exe
"C:\Users\Admin\AppData\Local\Temp\PO.10032021.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1144

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:876

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.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:548

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:2036

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1740

C:\Program Files (x86)\L-z4tqdzh\igfxldf4l.exe
"C:\Program Files (x86)\L-z4tqdzh\igfxldf4l.exe"
2⤵
- Executes dropped EXE
PID:1716

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:1968

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

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\L-z4tqdzh\igfxldf4l.exe
MD5
8c9da2e414e713d3daff1f18223ae11b

SHA1
9ef90d73fa4d852be9b803a5e990cc908aab8a94

SHA256
60b2a9d679f14f92e284ad21395da53652db137e45ec6473d9033e6c3fe6a37f

SHA512
adc712d94e8226729b336a348e9376d68f1e006871e7a0151f312e125e96226e74bc75e87efd709e31c5cb322a9ed68e2912c9fd03bd6e6800f5900f712105d7

Download Submit
memory/548-67-0x0000000002200000-0x0000000002503000-memory.dmp

Filesize
3.0MB

Download
memory/548-68-0x00000000004F0000-0x0000000000580000-memory.dmp

Filesize
576KB

Download
memory/548-64-0x0000000000AB0000-0x0000000000AD2000-memory.dmp

Filesize
136KB

Download
memory/548-65-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download
memory/548-63-0x0000000000000000-mapping.dmp

Download
memory/876-60-0x0000000001FE0000-0x00000000022E3000-memory.dmp

Filesize
3.0MB

Download
memory/876-59-0x0000000072480000-0x00000000724A9000-memory.dmp

Filesize
164KB

Download
memory/876-58-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/876-61-0x00000000002F0000-0x0000000000301000-memory.dmp

Filesize
68KB

Download
memory/876-56-0x0000000000000000-mapping.dmp

Download
memory/1144-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1144-53-0x0000000076581000-0x0000000076583000-memory.dmp

Filesize
8KB

Download
memory/1392-62-0x0000000006BB0000-0x0000000006D2E000-memory.dmp

Filesize
1.5MB

Download
memory/1392-69-0x0000000008CD0000-0x0000000008E17000-memory.dmp

Filesize
1.3MB

Download
memory/1716-71-0x0000000000000000-mapping.dmp

Download
memory/1716-74-0x0000000072821000-0x0000000072823000-memory.dmp

Filesize
8KB

Download
memory/2036-66-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads