xloader | bdcd5929ef23f438273b22491c48aa8db7c31041b3c7078fc37a230583d98d2a

General

Target

PO_S32G01521.exe
Size

450KB
MD5

7c67d687aa9d574fcea531bda2eda1da
SHA1

9ca303e862a7d00d2768abcf83211fceb72e836c
SHA256

44810a90a17a6d1286bdd1862a82c7062371ccece40cbd8e22dce7028e011825
SHA512

55ad7074da83ff222622fad62e2f657d7c888d7ed2398346c9e897ac77d8f5f275513eeb11e82081242fb3c17d7f1eb739e024ff617dd1d0f4ed4d78d8859b6a

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
behavioral1/memory/1324-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1324-67-0x000000000041D0D0-mapping.dmp	xloader
behavioral1/memory/1896-75-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO_S32G01521.exeRegSvcs.exechkdsk.exe

description	pid	process	target process
PID 1036 set thread context of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1324 set thread context of 1208	1324	RegSvcs.exe	Explorer.EXE
PID 1324 set thread context of 1208	1324	RegSvcs.exe	Explorer.EXE
PID 1896 set thread context of 1208	1896	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 28 IoCs

Processes:

PO_S32G01521.exeRegSvcs.exechkdsk.exe

pid	process
1036	PO_S32G01521.exe
1036	PO_S32G01521.exe
1036	PO_S32G01521.exe
1036	PO_S32G01521.exe
1036	PO_S32G01521.exe
1324	RegSvcs.exe
1324	RegSvcs.exe
1324	RegSvcs.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe
1896	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exechkdsk.exe

pid process

1324 RegSvcs.exe
1324 RegSvcs.exe
1324 RegSvcs.exe
1324 RegSvcs.exe
1896 chkdsk.exe
1896 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO_S32G01521.exeRegSvcs.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1036 PO_S32G01521.exe
Token: SeDebugPrivilege 1324 RegSvcs.exe
Token: SeDebugPrivilege 1896 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE

pid	process
1324	RegSvcs.exe
1324	RegSvcs.exe
1324	RegSvcs.exe
1324	RegSvcs.exe
1896	chkdsk.exe
1896	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1036	PO_S32G01521.exe
Token: SeDebugPrivilege	1324	RegSvcs.exe
Token: SeDebugPrivilege	1896	chkdsk.exe

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

PO_S32G01521.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1468	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1276	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1036 wrote to memory of 1324	1036	PO_S32G01521.exe	RegSvcs.exe
PID 1208 wrote to memory of 1896	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1896	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1896	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1896	1208	Explorer.EXE	chkdsk.exe
PID 1896 wrote to memory of 1476	1896	chkdsk.exe	cmd.exe
PID 1896 wrote to memory of 1476	1896	chkdsk.exe	cmd.exe
PID 1896 wrote to memory of 1476	1896	chkdsk.exe	cmd.exe
PID 1896 wrote to memory of 1476	1896	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:1208

C:\Users\Admin\AppData\Local\Temp\PO_S32G01521.exe
"C:\Users\Admin\AppData\Local\Temp\PO_S32G01521.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:1468

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
PID:1276

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:1324

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:1896

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1476

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/1036-62-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/1036-63-0x0000000000490000-0x0000000000492000-memory.dmp

Filesize
8KB

Download
memory/1036-64-0x0000000004F10000-0x0000000004F89000-memory.dmp

Filesize
484KB

Download
memory/1036-65-0x00000000009C0000-0x00000000009EE000-memory.dmp

Filesize
184KB

Download
memory/1036-60-0x00000000011B0000-0x00000000011B1000-memory.dmp

Filesize
4KB

Download
memory/1208-70-0x0000000003F10000-0x000000000401A000-memory.dmp

Filesize
1.0MB

Download
memory/1208-79-0x0000000004B80000-0x0000000004C75000-memory.dmp

Filesize
980KB

Download
memory/1208-72-0x00000000075E0000-0x0000000007782000-memory.dmp

Filesize
1.6MB

Download
memory/1324-71-0x00000000002B0000-0x00000000002C0000-memory.dmp

Filesize
64KB

Download
memory/1324-68-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/1324-69-0x0000000000170000-0x0000000000180000-memory.dmp

Filesize
64KB

Download
memory/1324-67-0x000000000041D0D0-mapping.dmp

Download
memory/1324-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-76-0x0000000000000000-mapping.dmp

Download
memory/1896-73-0x0000000000000000-mapping.dmp

Download
memory/1896-74-0x0000000000020000-0x0000000000027000-memory.dmp

Filesize
28KB

Download
memory/1896-75-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1896-77-0x0000000001F00000-0x0000000002203000-memory.dmp

Filesize
3.0MB

Download
memory/1896-78-0x0000000001D30000-0x0000000001DBF000-memory.dmp

Filesize
572KB

Download
memory/1896-80-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads