xloader | f27c4430f40881602df511b48cd0704e0c4050a0ef1d8f0b920f8b7d0da77b96

General

Target

PO_098765.exe
Size

626KB
MD5

564508cbfae2c08aec669e47219f9b00
SHA1

36f867db04e9f8a9c9b585df26ba1f4391a0ccbf
SHA256

f27c4430f40881602df511b48cd0704e0c4050a0ef1d8f0b920f8b7d0da77b96
SHA512

c35b9bc7a6662d52d570a9fcf6f825603d72471375f25598d1dd0112312c729cca0fb3089bedbb84678215e8f8a4c9770af3933aa40133edd90957e8ba36c7b4

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.bodymoisturizer.online/q4kr/

Decoy

realmodapk.com

hanoharuka.com

shivalikspiritualproducts.com

womenshealthclinincagra.com

racketpark.com

startuporig.com

azkachinas.com

klanblog.com

linuxradio.tools

siteoficial-liquida.com

glsbuyer.com

bestdeez.com

teens2cash.com

valleyviewconstruct.com

myfortniteskins.com

cambecare.com

csec2011.com

idookap.com

warmwallsrecords.com

smartmirror.one

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2644-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2644-125-0x000000000041D0D0-mapping.dmp	xloader
behavioral2/memory/1524-132-0x0000000000AD0000-0x0000000000AF9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO_098765.exeRegSvcs.exechkdsk.exe

description	pid	process	target process
PID 3984 set thread context of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 2644 set thread context of 3008	2644	RegSvcs.exe	Explorer.EXE
PID 1524 set thread context of 3008	1524	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 51 IoCs

Processes:

PO_098765.exeRegSvcs.exechkdsk.exe

pid	process
3984	PO_098765.exe
3984	PO_098765.exe
3984	PO_098765.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe
1524	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exechkdsk.exe

pid process

2644 RegSvcs.exe
2644 RegSvcs.exe
2644 RegSvcs.exe
1524 chkdsk.exe
1524 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_098765.exeRegSvcs.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 3984 PO_098765.exe
Token: SeDebugPrivilege 2644 RegSvcs.exe
Token: SeDebugPrivilege 1524 chkdsk.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE

pid	process
3008	Explorer.EXE

pid	process
2644	RegSvcs.exe
2644	RegSvcs.exe
2644	RegSvcs.exe
1524	chkdsk.exe
1524	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	3984	PO_098765.exe
Token: SeDebugPrivilege	2644	RegSvcs.exe
Token: SeDebugPrivilege	1524	chkdsk.exe

pid	process
3008	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO_098765.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 3984 wrote to memory of 3992	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 3992	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 3992	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3984 wrote to memory of 2644	3984	PO_098765.exe	RegSvcs.exe
PID 3008 wrote to memory of 1524	3008	Explorer.EXE	chkdsk.exe
PID 3008 wrote to memory of 1524	3008	Explorer.EXE	chkdsk.exe
PID 3008 wrote to memory of 1524	3008	Explorer.EXE	chkdsk.exe
PID 1524 wrote to memory of 2072	1524	chkdsk.exe	cmd.exe
PID 1524 wrote to memory of 2072	1524	chkdsk.exe	cmd.exe
PID 1524 wrote to memory of 2072	1524	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3008

C:\Users\Admin\AppData\Local\Temp\PO_098765.exe
"C:\Users\Admin\AppData\Local\Temp\PO_098765.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:3992

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2644

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:1524

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:2072

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/1524-129-0x0000000000000000-mapping.dmp

Download
memory/1524-134-0x00000000050A0000-0x000000000512F000-memory.dmp

Filesize
572KB

Download
memory/1524-133-0x0000000004CB0000-0x0000000004DFA000-memory.dmp

Filesize
1.3MB

Download
memory/1524-132-0x0000000000AD0000-0x0000000000AF9000-memory.dmp

Filesize
164KB

Download
memory/1524-131-0x0000000000CA0000-0x0000000000CAA000-memory.dmp

Filesize
40KB

Download
memory/2072-130-0x0000000000000000-mapping.dmp

Download
memory/2644-125-0x000000000041D0D0-mapping.dmp

Download
memory/2644-126-0x00000000019F0000-0x0000000001D10000-memory.dmp

Filesize
3.1MB

Download
memory/2644-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-127-0x0000000001400000-0x0000000001410000-memory.dmp

Filesize
64KB

Download
memory/3008-135-0x0000000002CA0000-0x0000000002D64000-memory.dmp

Filesize
784KB

Download
memory/3008-128-0x00000000053A0000-0x000000000551B000-memory.dmp

Filesize
1.5MB

Download
memory/3984-114-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3984-122-0x0000000006D10000-0x0000000006D8F000-memory.dmp

Filesize
508KB

Download
memory/3984-121-0x0000000008620000-0x0000000008621000-memory.dmp

Filesize
4KB

Download
memory/3984-120-0x0000000005620000-0x0000000005622000-memory.dmp

Filesize
8KB

Download
memory/3984-119-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/3984-118-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/3984-117-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/3984-116-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/3984-123-0x0000000006C40000-0x0000000006C70000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads