xloader | c5d5cc8f818f3f07bd35e0255b59873957e37336ef4af224879023ecebec2342

General

Target

RFQ - 1100195199 - 1100190914.exe
Size

373KB
MD5

0f3e620da62e90910e5ba126f927e84e
SHA1

60c1802a48d31314b47894214f89be2b20a2dc60
SHA256

c5d5cc8f818f3f07bd35e0255b59873957e37336ef4af224879023ecebec2342
SHA512

9f426f52ad331b28505ec13efc2e3f15a0fc5ddbd3481a254d19424daf5839520131478b57bc266d06410bb4396bc5af18af5916b2b78c3916dcc45486505511

Score

10^/10

xloader nc26 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

nc26

C2

http://www.tattooof.info/nc26/

Decoy

orangecountydeathmarch.com

blissbeautyuk.com

inarticulables.xyz

go-sbs02.com

annonces-pointvirgulefrance.com

ygcdyf.com

loftischoice.com

obesidadfceron.com

jaijin.com

kreditnekarticehr.com

proactiveline.com

sousouhenansheng.com

lynxvms.com

doujiu.xyz

getur-pckg.info

tremas25.com

jiayuesport.com

divyana.website

n1zk.xyz

benaatlc.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
behavioral2/memory/2936-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2936-125-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/2936-128-0x0000000001220000-0x000000000136A000-memory.dmp	xloader
behavioral2/memory/3764-133-0x0000000004A80000-0x0000000004AA9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

RFQ - 1100195199 - 1100190914.exeRFQ - 1100195199 - 1100190914.exechkdsk.exe

description	pid	process	target process
PID 4248 set thread context of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 2936 set thread context of 2712	2936	RFQ - 1100195199 - 1100190914.exe	Explorer.EXE
PID 3764 set thread context of 2712	3764	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 46 IoCs

Processes:

RFQ - 1100195199 - 1100190914.exeRFQ - 1100195199 - 1100190914.exechkdsk.exe

pid	process
4248	RFQ - 1100195199 - 1100190914.exe
4248	RFQ - 1100195199 - 1100190914.exe
4248	RFQ - 1100195199 - 1100190914.exe
4248	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe
3764	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2712 Explorer.EXE

pid	process
2712	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RFQ - 1100195199 - 1100190914.exechkdsk.exe

pid	process
2936	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
2936	RFQ - 1100195199 - 1100190914.exe
3764	chkdsk.exe
3764	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RFQ - 1100195199 - 1100190914.exeRFQ - 1100195199 - 1100190914.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	4248	RFQ - 1100195199 - 1100190914.exe
Token: SeDebugPrivilege	2936	RFQ - 1100195199 - 1100190914.exe
Token: SeDebugPrivilege	3764	chkdsk.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

RFQ - 1100195199 - 1100190914.exeExplorer.EXEchkdsk.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2712

C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248

C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe"
3⤵
PID:4476

C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe"
3⤵
PID:3732

C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2936

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:3764

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RFQ - 1100195199 - 1100190914.exe"
3⤵
PID:4196

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

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Downloads

memory/2712-136-0x0000000006040000-0x00000000061AF000-memory.dmp

Filesize
1.4MB

Download
memory/2712-129-0x0000000005500000-0x000000000569E000-memory.dmp

Filesize
1.6MB

Download
memory/2936-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2936-127-0x0000000001780000-0x0000000001AA0000-memory.dmp

Filesize
3.1MB

Download
memory/2936-128-0x0000000001220000-0x000000000136A000-memory.dmp

Filesize
1.3MB

Download
memory/2936-125-0x000000000041D410-mapping.dmp

Download
memory/3764-133-0x0000000004A80000-0x0000000004AA9000-memory.dmp

Filesize
164KB

Download
memory/3764-132-0x0000000000A50000-0x0000000000A5A000-memory.dmp

Filesize
40KB

Download
memory/3764-135-0x0000000005070000-0x0000000005100000-memory.dmp

Filesize
576KB

Download
memory/3764-134-0x0000000005320000-0x0000000005640000-memory.dmp

Filesize
3.1MB

Download
memory/3764-130-0x0000000000000000-mapping.dmp

Download
memory/4196-131-0x0000000000000000-mapping.dmp

Download
memory/4248-119-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/4248-118-0x00000000050C0000-0x00000000050C1000-memory.dmp

Filesize
4KB

Download
memory/4248-120-0x00000000050C0000-0x00000000055BE000-memory.dmp

Filesize
5.0MB

Download
memory/4248-115-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4248-123-0x0000000007670000-0x00000000076BA000-memory.dmp

Filesize
296KB

Download
memory/4248-121-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/4248-122-0x00000000076C0000-0x00000000076C1000-memory.dmp

Filesize
4KB

Download
memory/4248-117-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download

description	pid	process	target process
PID 4248 wrote to memory of 4476	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 4476	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 4476	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 3732	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 3732	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 3732	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 4248 wrote to memory of 2936	4248	RFQ - 1100195199 - 1100190914.exe	RFQ - 1100195199 - 1100190914.exe
PID 2712 wrote to memory of 3764	2712	Explorer.EXE	chkdsk.exe
PID 2712 wrote to memory of 3764	2712	Explorer.EXE	chkdsk.exe
PID 2712 wrote to memory of 3764	2712	Explorer.EXE	chkdsk.exe
PID 3764 wrote to memory of 4196	3764	chkdsk.exe	cmd.exe
PID 3764 wrote to memory of 4196	3764	chkdsk.exe	cmd.exe
PID 3764 wrote to memory of 4196	3764	chkdsk.exe	cmd.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads