xloader | cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b

General

Target

cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe
Size

234KB
MD5

1fc1fea1f0894c6e97a0b3a4a1b07566
SHA1

240f0ae84d5a5befe322317f8471d3e127a89d93
SHA256

cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
SHA512

c9865285bc1b5db73915159eb87c00a8ece16934722429e54477f4e30282f33af0cb1986bccb53f393132ec1ad743b1b2761ee7a3652c312f1849c200b83eb88

Score

10^/10

xloader vweq loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

vweq

Decoy

malang-media.com

mrsfence.com

lubetops.com

aitimedia.net

montecryptocapital.com

ahwmedia.com

bvmnc.site

bggearstore.com

bcsantacoloma.online

alltimephotography.com

santacruz-roofings.com

leaplifestyleenterprises.com

censovet.com

similkameenfarms.com

undisclosed.email

thetrinityco.com

rapiturs.com

jedlersdorf.info

mh7jk12e.xyz

flygurlblogwordpress.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/876-59-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/876-60-0x000000000041F280-mapping.dmp	xloader
behavioral1/memory/876-62-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1072-68-0x0000000000080000-0x00000000000AB000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.execvtres.exechkdsk.exe

description	pid	process	target process
PID 1788 set thread context of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 876 set thread context of 1268	876	cvtres.exe	Explorer.EXE
PID 1072 set thread context of 1268	1072	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

cvtres.exechkdsk.exe

pid	process
876	cvtres.exe
876	cvtres.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe
1072	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

cvtres.exechkdsk.exe

pid process

876 cvtres.exe
876 cvtres.exe
876 cvtres.exe
1072 chkdsk.exe
1072 chkdsk.exe
1072 chkdsk.exe
1072 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 876 cvtres.exe
Token: SeDebugPrivilege 1072 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	876	cvtres.exe
Token: SeDebugPrivilege	1072	chkdsk.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1788 wrote to memory of 876	1788	cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe	cvtres.exe
PID 1268 wrote to memory of 1072	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 1072	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 1072	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 1072	1268	Explorer.EXE	chkdsk.exe
PID 1072 wrote to memory of 1760	1072	chkdsk.exe	Firefox.exe
PID 1072 wrote to memory of 1760	1072	chkdsk.exe	Firefox.exe
PID 1072 wrote to memory of 1760	1072	chkdsk.exe	Firefox.exe
PID 1072 wrote to memory of 1760	1072	chkdsk.exe	Firefox.exe
PID 1072 wrote to memory of 1760	1072	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe
"C:\Users\Admin\AppData\Local\Temp\cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:876

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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

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Downloads

memory/876-64-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/876-56-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/876-57-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/876-63-0x0000000000C00000-0x0000000000F03000-memory.dmp

Filesize
3.0MB

Download
memory/876-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/876-60-0x000000000041F280-mapping.dmp

Download
memory/876-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1072-66-0x0000000000000000-mapping.dmp

Download
memory/1072-73-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/1072-67-0x00000000006B0000-0x00000000006B7000-memory.dmp

Filesize
28KB

Download
memory/1072-68-0x0000000000080000-0x00000000000AB000-memory.dmp

Filesize
172KB

Download
memory/1072-69-0x0000000002020000-0x0000000002323000-memory.dmp

Filesize
3.0MB

Download
memory/1072-70-0x0000000001E90000-0x0000000001F20000-memory.dmp

Filesize
576KB

Download
memory/1268-65-0x0000000004A50000-0x0000000004B2D000-memory.dmp

Filesize
884KB

Download
memory/1268-71-0x0000000004B30000-0x0000000004C2B000-memory.dmp

Filesize
1004KB

Download
memory/1268-72-0x0000000004B30000-0x0000000004C2B000-memory.dmp

Filesize
1004KB

Download
memory/1788-55-0x0000000000360000-0x0000000000394000-memory.dmp

Filesize
208KB

Download
memory/1788-54-0x0000000000840000-0x000000000087A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads