xloader | 735f5380f09fcef1e71401fb89987dd7186c1322b9b5a91f36a4839265f8fab0

General

Target

arrival notice.exe
Size

762KB
MD5

4196c697fa8a52ecddad63bf5ac9e8f9
SHA1

1179a7916f59fa2d88829a56f3f045e1cf32c418
SHA256

cfdb27a9ff39bd1aa5a0a43fe6e272c269a311f5748d8a13b2e705f7d66f16bd
SHA512

8c78d2a8276fd10c118732b194865fcd40615beb8ad47459e0ce5c67097d57d66c5764c0eaf8ebdbb7591b3ff03c26f0aa90d7dd7484b8f4709c9a79c607d5a0

Score

10^/10

xloader n58i loader rat suricata

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1628-60-0x000000000041D470-mapping.dmp	xloader
behavioral1/memory/1628-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/528-70-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1120 cmd.exe

pid	process
1120	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

arrival notice.exearrival notice.exemstsc.exe

description	pid	process	target process
PID 1624 set thread context of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1628 set thread context of 1240	1628	arrival notice.exe	Explorer.EXE
PID 1628 set thread context of 1240	1628	arrival notice.exe	Explorer.EXE
PID 528 set thread context of 1240	528	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

arrival notice.exearrival notice.exemstsc.exe

pid	process
1624	arrival notice.exe
1624	arrival notice.exe
1624	arrival notice.exe
1628	arrival notice.exe
1628	arrival notice.exe
1628	arrival notice.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe
528	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

arrival notice.exemstsc.exe

pid process

1628 arrival notice.exe
1628 arrival notice.exe
1628 arrival notice.exe
1628 arrival notice.exe
528 mstsc.exe
528 mstsc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

arrival notice.exearrival notice.exemstsc.exe

description pid process

Token: SeDebugPrivilege 1624 arrival notice.exe
Token: SeDebugPrivilege 1628 arrival notice.exe
Token: SeDebugPrivilege 528 mstsc.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE
1240 Explorer.EXE
1240 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE
1240 Explorer.EXE
1240 Explorer.EXE

pid	process
1628	arrival notice.exe
1628	arrival notice.exe
1628	arrival notice.exe
1628	arrival notice.exe
528	mstsc.exe
528	mstsc.exe

description	pid	process
Token: SeDebugPrivilege	1624	arrival notice.exe
Token: SeDebugPrivilege	1628	arrival notice.exe
Token: SeDebugPrivilege	528	mstsc.exe

pid	process
1240	Explorer.EXE
1240	Explorer.EXE
1240	Explorer.EXE
1240	Explorer.EXE

pid	process
1240	Explorer.EXE
1240	Explorer.EXE
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

arrival notice.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1624 wrote to memory of 1628	1624	arrival notice.exe	arrival notice.exe
PID 1240 wrote to memory of 528	1240	Explorer.EXE	mstsc.exe
PID 1240 wrote to memory of 528	1240	Explorer.EXE	mstsc.exe
PID 1240 wrote to memory of 528	1240	Explorer.EXE	mstsc.exe
PID 1240 wrote to memory of 528	1240	Explorer.EXE	mstsc.exe
PID 528 wrote to memory of 1120	528	mstsc.exe	cmd.exe
PID 528 wrote to memory of 1120	528	mstsc.exe	cmd.exe
PID 528 wrote to memory of 1120	528	mstsc.exe	cmd.exe
PID 528 wrote to memory of 1120	528	mstsc.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:1240

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624

C:\Users\Admin\AppData\Local\Temp\arrival notice.exe
"C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1628

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\arrival notice.exe"
3⤵
- Deletes itself
PID:1120

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/528-72-0x0000000002020000-0x00000000020B0000-memory.dmp

Filesize
576KB

Download
memory/528-69-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/528-67-0x0000000076161000-0x0000000076163000-memory.dmp

Filesize
8KB

Download
memory/528-66-0x0000000000000000-mapping.dmp

Download
memory/528-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/528-68-0x0000000000A50000-0x0000000000B54000-memory.dmp

Filesize
1.0MB

Download
memory/1120-71-0x0000000000000000-mapping.dmp

Download
memory/1240-63-0x0000000006980000-0x0000000006A95000-memory.dmp

Filesize
1.1MB

Download
memory/1240-73-0x0000000006B60000-0x0000000006CE0000-memory.dmp

Filesize
1.5MB

Download
memory/1240-65-0x0000000004A70000-0x0000000004B37000-memory.dmp

Filesize
796KB

Download
memory/1624-53-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/1624-58-0x00000000009B0000-0x00000000009DB000-memory.dmp

Filesize
172KB

Download
memory/1624-57-0x0000000004F10000-0x0000000004F71000-memory.dmp

Filesize
388KB

Download
memory/1624-56-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/1624-55-0x0000000000330000-0x0000000000337000-memory.dmp

Filesize
28KB

Download
memory/1628-60-0x000000000041D470-mapping.dmp

Download
memory/1628-64-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/1628-62-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/1628-61-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1628-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads