xloader | 236140ea5c5aaaf8157b7e9609851c13dc3233fb291dc334d49d0a6c6ee43e82

General

Target

Payment Advice.exe
Size

992KB
MD5

4f25ed58038558b2e83f18896b245791
SHA1

80be9861fa9f10581fc77e0c4a1405dd5042365d
SHA256

03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
SHA512

8e586af0f9214b59075811bb15779ef7460e436c18c1995c70d3aafb3c6cb4d5def9671ae829df49d294588845f34e997b9b293366f289b3c7f782b55aa6dd63

Score

10^/10

xloader c2ue loader rat

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/932-67-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/932-68-0x000000000041D3A0-mapping.dmp	xloader
behavioral1/memory/1844-77-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

620 cmd.exe

pid	process
620	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Payment Advice.exePayment Advice.exechkdsk.exe

description	pid	process	target process
PID 1644 set thread context of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 932 set thread context of 1244	932	Payment Advice.exe	Explorer.EXE
PID 932 set thread context of 1244	932	Payment Advice.exe	Explorer.EXE
PID 1844 set thread context of 1244	1844	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 23 IoCs

Processes:

Payment Advice.exechkdsk.exe

pid	process
932	Payment Advice.exe
932	Payment Advice.exe
932	Payment Advice.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe
1844	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Payment Advice.exechkdsk.exe

pid process

932 Payment Advice.exe
932 Payment Advice.exe
932 Payment Advice.exe
932 Payment Advice.exe
1844 chkdsk.exe
1844 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Advice.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 932 Payment Advice.exe
Token: SeDebugPrivilege 1844 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	932	Payment Advice.exe
Token: SeDebugPrivilege	1844	chkdsk.exe

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment Advice.exePayment Advice.exechkdsk.exe

description	pid	process	target process
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 1644 wrote to memory of 932	1644	Payment Advice.exe	Payment Advice.exe
PID 932 wrote to memory of 1844	932	Payment Advice.exe	chkdsk.exe
PID 932 wrote to memory of 1844	932	Payment Advice.exe	chkdsk.exe
PID 932 wrote to memory of 1844	932	Payment Advice.exe	chkdsk.exe
PID 932 wrote to memory of 1844	932	Payment Advice.exe	chkdsk.exe
PID 1844 wrote to memory of 620	1844	chkdsk.exe	cmd.exe
PID 1844 wrote to memory of 620	1844	chkdsk.exe	cmd.exe
PID 1844 wrote to memory of 620	1844	chkdsk.exe	cmd.exe
PID 1844 wrote to memory of 620	1844	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1644

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
4⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
5⤵
- Deletes itself
PID:620

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1752

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1704

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1716

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1708

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1748

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1732

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1700

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1696

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1672

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1004

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1152

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1216

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:820

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2036

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2040

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1324

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:816

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:836

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1212

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1312

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1292

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/620-75-0x0000000000000000-mapping.dmp

Download
memory/932-69-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/932-72-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/932-67-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/932-68-0x000000000041D3A0-mapping.dmp

Download
memory/932-70-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/1244-80-0x0000000004220000-0x00000000042D9000-memory.dmp

Filesize
740KB

Download
memory/1244-73-0x00000000078A0000-0x0000000007A2F000-memory.dmp

Filesize
1.6MB

Download
memory/1244-71-0x0000000006670000-0x000000000679E000-memory.dmp

Filesize
1.2MB

Download
memory/1644-66-0x0000000000C90000-0x0000000000CBB000-memory.dmp

Filesize
172KB

Download
memory/1644-60-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/1644-65-0x0000000004A70000-0x0000000004AEB000-memory.dmp

Filesize
492KB

Download
memory/1644-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1644-63-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/1644-62-0x0000000005010000-0x0000000005011000-memory.dmp

Filesize
4KB

Download
memory/1844-74-0x0000000000000000-mapping.dmp

Download
memory/1844-76-0x0000000000AE0000-0x0000000000AE7000-memory.dmp

Filesize
28KB

Download
memory/1844-77-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1844-78-0x0000000002080000-0x0000000002383000-memory.dmp

Filesize
3.0MB

Download
memory/1844-79-0x0000000001EF0000-0x0000000001F80000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads