xloader | 4e680042dfe4ffcf835c00c86ba35cbbac2fabd08ae19fa3155c030d984ab6be

General

Target

Order-EM411910902-pdf.exe
Size

247KB
MD5

3891508ecb36809bb3d903066ce5ac5b
SHA1

ee03fadec645758dd05f86354f909b6184431df7
SHA256

4e680042dfe4ffcf835c00c86ba35cbbac2fabd08ae19fa3155c030d984ab6be
SHA512

f3735723b73b3f97bb3d08eb2e5e488ede9790161f1f45b1c414e1bda4072af86cf2adbdddbc31bf471b4037acfaf57fd37588b5b0f8cb644b2960299e1e141f

Score

10^/10

xloader uar3 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

uar3

Decoy

sgadvocats.com

mjscannabus.com

hilldaley.com

ksdollhouse.com

hotgiftboutique.com

purebloodsmeet.com

relaunched.info

cap-glove.com

productcollection.store

fulikyy.xyz

remoteaviationjobs.com

bestcleancrystal.com

virtualorganizationpartner.com

bookgocar.com

hattuafhv.quest

makonigroup.com

officecom-myaccount.com

malgorzata-lac.com

e-learningeducators.com

hygilaur.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4004-131-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4004-134-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1304-139-0x00000000012B0000-0x00000000012D9000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

Order-EM411910902-pdf.exe

pid process

1476 Order-EM411910902-pdf.exe

pid	process
1476	Order-EM411910902-pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Order-EM411910902-pdf.exeOrder-EM411910902-pdf.exeNETSTAT.EXE

description	pid	process	target process
PID 1476 set thread context of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 4004 set thread context of 2436	4004	Order-EM411910902-pdf.exe	Explorer.EXE
PID 1304 set thread context of 2436	1304	NETSTAT.EXE	Explorer.EXE

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
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\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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1304 NETSTAT.EXE

pid	process
1304	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Order-EM411910902-pdf.exeNETSTAT.EXE

pid	process
4004	Order-EM411910902-pdf.exe
4004	Order-EM411910902-pdf.exe
4004	Order-EM411910902-pdf.exe
4004	Order-EM411910902-pdf.exe
1304	NETSTAT.EXE
1304	NETSTAT.EXE
1304	NETSTAT.EXE
1304	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2436 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Order-EM411910902-pdf.exeNETSTAT.EXE

pid process

4004 Order-EM411910902-pdf.exe
4004 Order-EM411910902-pdf.exe
4004 Order-EM411910902-pdf.exe
1304 NETSTAT.EXE
1304 NETSTAT.EXE

pid	process
2436	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

Order-EM411910902-pdf.exesvchost.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	4004	Order-EM411910902-pdf.exe
Token: SeShutdownPrivilege	3468	svchost.exe
Token: SeCreatePagefilePrivilege	3468	svchost.exe
Token: SeShutdownPrivilege	3468	svchost.exe
Token: SeCreatePagefilePrivilege	3468	svchost.exe
Token: SeDebugPrivilege	1304	NETSTAT.EXE
Token: SeShutdownPrivilege	3468	svchost.exe
Token: SeCreatePagefilePrivilege	3468	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Order-EM411910902-pdf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 1476 wrote to memory of 4004	1476	Order-EM411910902-pdf.exe	Order-EM411910902-pdf.exe
PID 2436 wrote to memory of 1304	2436	Explorer.EXE	NETSTAT.EXE
PID 2436 wrote to memory of 1304	2436	Explorer.EXE	NETSTAT.EXE
PID 2436 wrote to memory of 1304	2436	Explorer.EXE	NETSTAT.EXE
PID 1304 wrote to memory of 1180	1304	NETSTAT.EXE	cmd.exe
PID 1304 wrote to memory of 1180	1304	NETSTAT.EXE	cmd.exe
PID 1304 wrote to memory of 1180	1304	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2436

C:\Users\Admin\AppData\Local\Temp\Order-EM411910902-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Order-EM411910902-pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1476

C:\Users\Admin\AppData\Local\Temp\Order-EM411910902-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Order-EM411910902-pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4004

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:632

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2208

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:540

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1176

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2292

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:2612

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Order-EM411910902-pdf.exe"
3⤵
PID:1180

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:3468

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsq4D16.tmp\lifljlpjo.dll
MD5
11bb2c8629cb80c896dcbd9da4f608bb

SHA1
e1a16f1f4a8cc3d2cb1224f3eb6731853b79a960

SHA256
90c6982f11d2bcd1c69b85c8df7bb84fd1eeed5876fd86558c718149b5f3b874

SHA512
2992526f6b4e20d83b50b4b235d1473e43b345527926a59cf93c33fbb33adeeb79f885441e5f42adcf6a2d18532e0c4c70148c555e5b1e9a4d39931581d62caa

Download Submit
memory/1304-138-0x00000000007C0000-0x00000000007CB000-memory.dmp

Filesize
44KB

Download
memory/1304-144-0x0000000001810000-0x00000000018A0000-memory.dmp

Filesize
576KB

Download
memory/1304-143-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/1304-139-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/2436-145-0x0000000002E80000-0x0000000002F54000-memory.dmp

Filesize
848KB

Download
memory/2436-137-0x0000000007E60000-0x0000000007FA2000-memory.dmp

Filesize
1.3MB

Download
memory/3468-140-0x0000021528B60000-0x0000021528B70000-memory.dmp

Filesize
64KB

Download
memory/3468-141-0x0000021529120000-0x0000021529130000-memory.dmp

Filesize
64KB

Download
memory/3468-142-0x000002152B7A0000-0x000002152B7A4000-memory.dmp

Filesize
16KB

Download
memory/4004-136-0x00000000009D0000-0x00000000009E1000-memory.dmp

Filesize
68KB

Download
memory/4004-135-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/4004-134-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4004-133-0x0000000000A10000-0x0000000000D5A000-memory.dmp

Filesize
3.3MB

Download
memory/4004-131-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads