xloader | 67dc8a7809969daae173568204d468ae93d0985a8fc2b0caafebc30be43cc110

General

Target

Profoma Invoice.doc.exe
Size

992KB
MD5

4f25ed58038558b2e83f18896b245791
SHA1

80be9861fa9f10581fc77e0c4a1405dd5042365d
SHA256

03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
SHA512

8e586af0f9214b59075811bb15779ef7460e436c18c1995c70d3aafb3c6cb4d5def9671ae829df49d294588845f34e997b9b293366f289b3c7f782b55aa6dd63

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/1792-67-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1792-68-0x000000000041D3A0-mapping.dmp	xloader
behavioral1/memory/1780-74-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1724 cmd.exe

pid	process
1724	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Profoma Invoice.doc.exeProfoma Invoice.doc.exechkdsk.exe

description	pid	process	target process
PID 1672 set thread context of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1792 set thread context of 1208	1792	Profoma Invoice.doc.exe	Explorer.EXE
PID 1780 set thread context of 1208	1780	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 24 IoCs

Processes:

Profoma Invoice.doc.exeProfoma Invoice.doc.exechkdsk.exe

pid	process
1672	Profoma Invoice.doc.exe
1672	Profoma Invoice.doc.exe
1792	Profoma Invoice.doc.exe
1792	Profoma Invoice.doc.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe
1780	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Profoma Invoice.doc.exechkdsk.exe

pid process

1792 Profoma Invoice.doc.exe
1792 Profoma Invoice.doc.exe
1792 Profoma Invoice.doc.exe
1780 chkdsk.exe
1780 chkdsk.exe

pid	process
1792	Profoma Invoice.doc.exe
1792	Profoma Invoice.doc.exe
1792	Profoma Invoice.doc.exe
1780	chkdsk.exe
1780	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Profoma Invoice.doc.exeProfoma Invoice.doc.exechkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1672	Profoma Invoice.doc.exe
Token: SeDebugPrivilege	1792	Profoma Invoice.doc.exe
Token: SeDebugPrivilege	1780	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
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 19 IoCs

Processes:

Profoma Invoice.doc.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1672 wrote to memory of 1488	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1488	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1488	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1488	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1672 wrote to memory of 1792	1672	Profoma Invoice.doc.exe	Profoma Invoice.doc.exe
PID 1208 wrote to memory of 1780	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1780	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1780	1208	Explorer.EXE	chkdsk.exe
PID 1208 wrote to memory of 1780	1208	Explorer.EXE	chkdsk.exe
PID 1780 wrote to memory of 1724	1780	chkdsk.exe	cmd.exe
PID 1780 wrote to memory of 1724	1780	chkdsk.exe	cmd.exe
PID 1780 wrote to memory of 1724	1780	chkdsk.exe	cmd.exe
PID 1780 wrote to memory of 1724	1780	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\Profoma Invoice.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.doc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.doc.exe
"{path}"
3⤵
PID:1488

C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.doc.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1792

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:1780

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.doc.exe"
3⤵
- Deletes itself
PID:1724

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

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Downloads

memory/1208-71-0x0000000003F10000-0x0000000004058000-memory.dmp

Filesize
1.3MB

Download
memory/1208-78-0x0000000004CA0000-0x0000000004D5C000-memory.dmp

Filesize
752KB

Download
memory/1672-65-0x0000000005D40000-0x0000000005DBB000-memory.dmp

Filesize
492KB

Download
memory/1672-60-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1672-66-0x0000000000670000-0x000000000069B000-memory.dmp

Filesize
172KB

Download
memory/1672-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1672-62-0x0000000004360000-0x0000000004361000-memory.dmp

Filesize
4KB

Download
memory/1672-63-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1724-75-0x0000000000000000-mapping.dmp

Download
memory/1780-77-0x0000000000440000-0x00000000004D0000-memory.dmp

Filesize
576KB

Download
memory/1780-76-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/1780-72-0x0000000000000000-mapping.dmp

Download
memory/1780-73-0x0000000000D50000-0x0000000000D57000-memory.dmp

Filesize
28KB

Download
memory/1780-74-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1792-67-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1792-69-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download
memory/1792-70-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/1792-68-0x000000000041D3A0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads