xloader | 13c2ff62d1e29d6e88c828851f842b17acb6293da92bdf5223e87a67bf00ed31

General

Target

DOC.exe
Size

463KB
MD5

e2e027360aa11a532949fb6c013009d5
SHA1

2488a833ee33ea4ce3ff0e5e7615e35d647816e2
SHA256

13c2ff62d1e29d6e88c828851f842b17acb6293da92bdf5223e87a67bf00ed31
SHA512

240a63a3c245d1dd963cc33b290796e646276f9488692037f26009efde4ad39b9c6af6d0c4d21ca19b5ade4a677b4b2d7e83003a519c2dbfbf408c086ca0f04a

Score

10^/10

xloader n58i loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1316-59-0x000000000041D470-mapping.dmp	xloader
behavioral1/memory/1316-58-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1436-66-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

316 cmd.exe

pid	process
316	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

DOC.exeDOC.exechkdsk.exe

description	pid	process	target process
PID 1992 set thread context of 1316	1992	DOC.exe	DOC.exe
PID 1316 set thread context of 1232	1316	DOC.exe	Explorer.EXE
PID 1436 set thread context of 1232	1436	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:

DOC.exechkdsk.exe

pid	process
1316	DOC.exe
1316	DOC.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe
1436	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DOC.exechkdsk.exe

pid process

1316 DOC.exe
1316 DOC.exe
1316 DOC.exe
1436 chkdsk.exe
1436 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DOC.exechkdsk.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1316 DOC.exe
Token: SeDebugPrivilege 1436 chkdsk.exe
Token: SeShutdownPrivilege 1232 Explorer.EXE
Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 6 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1316	DOC.exe
Token: SeDebugPrivilege	1436	chkdsk.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DOC.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1992 wrote to memory of 1316	1992	DOC.exe	DOC.exe
PID 1232 wrote to memory of 1436	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 1436	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 1436	1232	Explorer.EXE	chkdsk.exe
PID 1232 wrote to memory of 1436	1232	Explorer.EXE	chkdsk.exe
PID 1436 wrote to memory of 316	1436	chkdsk.exe	cmd.exe
PID 1436 wrote to memory of 316	1436	chkdsk.exe	cmd.exe
PID 1436 wrote to memory of 316	1436	chkdsk.exe	cmd.exe
PID 1436 wrote to memory of 316	1436	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1316

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:1436

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DOC.exe"
3⤵
- Deletes itself
PID:316

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/316-64-0x0000000000000000-mapping.dmp

Download
memory/1232-70-0x0000000002B50000-0x0000000002B60000-memory.dmp

Filesize
64KB

Download
memory/1232-69-0x0000000006E60000-0x0000000006F9A000-memory.dmp

Filesize
1.2MB

Download
memory/1232-62-0x00000000042A0000-0x00000000043E8000-memory.dmp

Filesize
1.3MB

Download
memory/1316-61-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/1316-59-0x000000000041D470-mapping.dmp

Download
memory/1316-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1316-60-0x0000000000B90000-0x0000000000E93000-memory.dmp

Filesize
3.0MB

Download
memory/1436-65-0x0000000000D60000-0x0000000000D67000-memory.dmp

Filesize
28KB

Download
memory/1436-63-0x0000000000000000-mapping.dmp

Download
memory/1436-66-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1436-67-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1436-68-0x0000000000930000-0x00000000009C0000-memory.dmp

Filesize
576KB

Download
memory/1992-57-0x00000000006D0000-0x00000000006FB000-memory.dmp

Filesize
172KB

Download
memory/1992-56-0x00000000059B0000-0x0000000005A10000-memory.dmp

Filesize
384KB

Download
memory/1992-52-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/1992-55-0x00000000003B0000-0x00000000003B7000-memory.dmp

Filesize
28KB

Download
memory/1992-54-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads