xloader | 657b9a1c9c0fe3f47a7c23fd38ef1626ee6ff9fc3d964f92a1a3745790ac8105

General

Target

PROFOMA INVOICE.exe
Size

866KB
MD5

24736913b455be2ed3d1cc67c767afc4
SHA1

8026db0f265178cf013ac579c1b7267f4014bf2c
SHA256

a109f0b9407728fef1b41d766e8228085ee04661156d84ef543777bf311f450b
SHA512

49dd3e5ecbf6d4cd310a45d0b52e36a363d701f0a9cc14a1d3c103b613eb5a756fdc9ce8b028d69b56c4c8137d29ea3d57865b4ff75dac44bf982e5c80ee56ee

Score

10^/10

xloader c2ue loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.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/812-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/812-61-0x000000000041D3A0-mapping.dmp	xloader
behavioral1/memory/752-69-0x00000000000C0000-0x00000000000E9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

656 cmd.exe

pid	process
656	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PROFOMA INVOICE.exePROFOMA INVOICE.exechkdsk.exe

description	pid	process	target process
PID 1120 set thread context of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 812 set thread context of 1428	812	PROFOMA INVOICE.exe	Explorer.EXE
PID 812 set thread context of 1428	812	PROFOMA INVOICE.exe	Explorer.EXE
PID 752 set thread context of 1428	752	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 21 IoCs

Processes:

PROFOMA INVOICE.exechkdsk.exe

pid	process
812	PROFOMA INVOICE.exe
812	PROFOMA INVOICE.exe
812	PROFOMA INVOICE.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe
752	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PROFOMA INVOICE.exechkdsk.exe

pid process

812 PROFOMA INVOICE.exe
812 PROFOMA INVOICE.exe
812 PROFOMA INVOICE.exe
812 PROFOMA INVOICE.exe
752 chkdsk.exe
752 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PROFOMA INVOICE.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 812 PROFOMA INVOICE.exe
Token: SeDebugPrivilege 752 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1428 Explorer.EXE
1428 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	812	PROFOMA INVOICE.exe
Token: SeDebugPrivilege	752	chkdsk.exe

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

pid	process
1428	Explorer.EXE
1428	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PROFOMA INVOICE.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1120 wrote to memory of 812	1120	PROFOMA INVOICE.exe	PROFOMA INVOICE.exe
PID 1428 wrote to memory of 752	1428	Explorer.EXE	chkdsk.exe
PID 1428 wrote to memory of 752	1428	Explorer.EXE	chkdsk.exe
PID 1428 wrote to memory of 752	1428	Explorer.EXE	chkdsk.exe
PID 1428 wrote to memory of 752	1428	Explorer.EXE	chkdsk.exe
PID 752 wrote to memory of 656	752	chkdsk.exe	cmd.exe
PID 752 wrote to memory of 656	752	chkdsk.exe	cmd.exe
PID 752 wrote to memory of 656	752	chkdsk.exe	cmd.exe
PID 752 wrote to memory of 656	752	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:1428

C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1120

C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:812

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:752

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
3⤵
- Deletes itself
PID:656

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/656-71-0x0000000000000000-mapping.dmp

Download
memory/752-67-0x0000000000000000-mapping.dmp

Download
memory/752-72-0x0000000001E90000-0x0000000001F20000-memory.dmp

Filesize
576KB

Download
memory/752-70-0x0000000001FB0000-0x00000000022B3000-memory.dmp

Filesize
3.0MB

Download
memory/752-69-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/752-68-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/812-62-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/812-63-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/812-65-0x0000000000330000-0x0000000000341000-memory.dmp

Filesize
68KB

Download
memory/812-61-0x000000000041D3A0-mapping.dmp

Download
memory/812-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-54-0x0000000001200000-0x0000000001201000-memory.dmp

Filesize
4KB

Download
memory/1120-59-0x00000000009D0000-0x00000000009FB000-memory.dmp

Filesize
172KB

Download
memory/1120-58-0x0000000007E80000-0x0000000007EF9000-memory.dmp

Filesize
484KB

Download
memory/1120-57-0x00000000007E0000-0x00000000007EE000-memory.dmp

Filesize
56KB

Download
memory/1120-56-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/1428-64-0x0000000006370000-0x00000000064CF000-memory.dmp

Filesize
1.4MB

Download
memory/1428-66-0x0000000007210000-0x000000000735D000-memory.dmp

Filesize
1.3MB

Download
memory/1428-73-0x0000000008EC0000-0x0000000009037000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads