xloader | 2abdd1acce1502983aa1064db5d94a894391aeb300c14e8c372138491aef2036

General

Target

IMG-pic 0699821.exe
Size

1001KB
MD5

14f80d04ac41196b969f4a6a60016a5a
SHA1

7fbf938dcb3c873b4e6bb0b0ca00cff825c59d65
SHA256

e07717afe65c94d4cae860225c8d6aaa4d3bde732598d34c96f98ff927e1d489
SHA512

d2c757df0c99e93f40f6000cdf64493d62ee41f32471091800616f1aaca1063cc48c1f0d26b6d5ea2a5d44cb636b6e86cf4b1dcfe540242cf8640b17c896642a

Score

10^/10

xloader epns loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

epns

C2

http://www.lnvietnam.online/epns/

Decoy

mmfaccao.com

blttsperma.quest

946abe.net

indispensablehands.com

jkformationfrance.com

phonerepaire.com

lienquan-trian.com

youkuti.com

empowermindbodystudios.com

seunicapf.com

fk-link.xyz

kunai.tech

difficultbutdoablebrand.com

ejworkspace.com

teracorp.biz

thekids.today

quintaalentejana.com

annaviruksham.com

jshengrong.com

nsmetalmakina.xyz

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/512-58-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/512-59-0x000000000041D410-mapping.dmp	xloader
behavioral1/memory/512-64-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1396-69-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IMG-pic 0699821.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xfcjzto = "C:\\Users\\Public\\Libraries\\otzjcfX.url"	IMG-pic 0699821.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

IMG-pic 0699821.exeIMG-pic 0699821.exehelp.exe

description	pid	process	target process
PID 1192 set thread context of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 512 set thread context of 1244	512	IMG-pic 0699821.exe	Explorer.EXE
PID 512 set thread context of 1244	512	IMG-pic 0699821.exe	Explorer.EXE
PID 1396 set thread context of 1244	1396	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

IMG-pic 0699821.exehelp.exe

pid	process
512	IMG-pic 0699821.exe
512	IMG-pic 0699821.exe
512	IMG-pic 0699821.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe
1396	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

IMG-pic 0699821.exehelp.exe

pid process

512 IMG-pic 0699821.exe
512 IMG-pic 0699821.exe
512 IMG-pic 0699821.exe
512 IMG-pic 0699821.exe
1396 help.exe
1396 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG-pic 0699821.exehelp.exe

description pid process

Token: SeDebugPrivilege 512 IMG-pic 0699821.exe
Token: SeDebugPrivilege 1396 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	512	IMG-pic 0699821.exe
Token: SeDebugPrivilege	1396	help.exe

pid	process
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

IMG-pic 0699821.exeExplorer.EXE

description	pid	process	target process
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1192 wrote to memory of 512	1192	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1244 wrote to memory of 1396	1244	Explorer.EXE	help.exe
PID 1244 wrote to memory of 1396	1244	Explorer.EXE	help.exe
PID 1244 wrote to memory of 1396	1244	Explorer.EXE	help.exe
PID 1244 wrote to memory of 1396	1244	Explorer.EXE	help.exe

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

C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-pic 0699821.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:512

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/512-65-0x0000000000310000-0x0000000000321000-memory.dmp

Filesize
68KB

Download
memory/512-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/512-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/512-59-0x000000000041D410-mapping.dmp

Download
memory/512-61-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/512-62-0x00000000002B0000-0x00000000002C1000-memory.dmp

Filesize
68KB

Download
memory/512-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1192-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1192-56-0x0000000000391000-0x00000000003A5000-memory.dmp

Filesize
80KB

Download
memory/1192-54-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1244-63-0x0000000004AB0000-0x0000000004B99000-memory.dmp

Filesize
932KB

Download
memory/1244-66-0x0000000006110000-0x00000000061E7000-memory.dmp

Filesize
860KB

Download
memory/1244-72-0x00000000049C0000-0x0000000004A6E000-memory.dmp

Filesize
696KB

Download
memory/1396-67-0x0000000000000000-mapping.dmp

Download
memory/1396-68-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/1396-69-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1396-70-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/1396-71-0x0000000000750000-0x00000000007E0000-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