xloader | beccec456cf3e74a220ae1c8fa65cc0f4ddef57bee5d4f2ec71ad7b99da52369

General

Target

RFQ#220128.exe
Size

749KB
MD5

6d236070946d1a500d0ce9988240975f
SHA1

94ada5c3577d58390b252353f3ec9a7fcca49c35
SHA256

beccec456cf3e74a220ae1c8fa65cc0f4ddef57bee5d4f2ec71ad7b99da52369
SHA512

362e149560e26131d6d00daf1ba7a8bf6f156990bbbb90d8eb3d1a2249277288d109d388046d5cfbc816cd05aaec02d8729d636b340c4ff7f934543b62ba27db

Score

10^/10

xloader s9ne loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

s9ne

Decoy

digital-performance-award.com

fioratti.xyz

designluxre.com

cngangdun.com

restaurantperladelmare.com

davinci65.info

glossmans.com

firstsmileimaging.com

indevmobility.biz

mvptcodesupport.com

crustenc.net

raleighsportsacademy.com

boytoyporn.com

rojaspass.com

acmepaysage.fr

shopatdean.xyz

leonergsteve18870.com

elnahuel.com

ils.network

canto-libero.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
behavioral1/memory/1304-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1820-66-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1148 cmd.exe

pid	process
1148	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ#220128.exeRFQ#220128.exechkdsk.exe

description	pid	process	target process
PID 1688 set thread context of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1304 set thread context of 1412	1304	RFQ#220128.exe	Explorer.EXE
PID 1820 set thread context of 1412	1820	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

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

RFQ#220128.exechkdsk.exe

pid	process
1304	RFQ#220128.exe
1304	RFQ#220128.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe
1820	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RFQ#220128.exechkdsk.exe

pid process

1304 RFQ#220128.exe
1304 RFQ#220128.exe
1304 RFQ#220128.exe
1820 chkdsk.exe
1820 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ#220128.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1304 RFQ#220128.exe
Token: SeDebugPrivilege 1820 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
1412 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1304	RFQ#220128.exe
Token: SeDebugPrivilege	1820	chkdsk.exe

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

pid	process
1412	Explorer.EXE
1412	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

RFQ#220128.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1688 wrote to memory of 1304	1688	RFQ#220128.exe	RFQ#220128.exe
PID 1412 wrote to memory of 1820	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1820	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1820	1412	Explorer.EXE	chkdsk.exe
PID 1412 wrote to memory of 1820	1412	Explorer.EXE	chkdsk.exe
PID 1820 wrote to memory of 1148	1820	chkdsk.exe	cmd.exe
PID 1820 wrote to memory of 1148	1820	chkdsk.exe	cmd.exe
PID 1820 wrote to memory of 1148	1820	chkdsk.exe	cmd.exe
PID 1820 wrote to memory of 1148	1820	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Temp\RFQ#220128.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#220128.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Local\Temp\RFQ#220128.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ#220128.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1304

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RFQ#220128.exe"
3⤵
- Deletes itself
PID:1148

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1304-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1304-63-0x0000000000210000-0x0000000000221000-memory.dmp

Filesize
68KB

Download
memory/1304-61-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download
memory/1304-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1304-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1412-69-0x0000000006D60000-0x0000000006E5B000-memory.dmp

Filesize
1004KB

Download
memory/1412-64-0x00000000048E0000-0x0000000004A45000-memory.dmp

Filesize
1.4MB

Download
memory/1688-57-0x0000000004CB0000-0x0000000004D12000-memory.dmp

Filesize
392KB

Download
memory/1688-53-0x0000000000AE0000-0x0000000000BA2000-memory.dmp

Filesize
776KB

Download
memory/1688-56-0x00000000002C0000-0x00000000002CC000-memory.dmp

Filesize
48KB

Download
memory/1688-55-0x0000000004E60000-0x0000000004E61000-memory.dmp

Filesize
4KB

Download
memory/1688-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1820-65-0x00000000004E0000-0x00000000004E7000-memory.dmp

Filesize
28KB

Download
memory/1820-66-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1820-67-0x0000000001FF0000-0x00000000022F3000-memory.dmp

Filesize
3.0MB

Download
memory/1820-68-0x0000000001F00000-0x0000000001F90000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads