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

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1120-118-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1120-119-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/2340-126-0x00000000009A0000-0x00000000009C9000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xfcjzto = "C:\\Users\\Public\\Libraries\\otzjcfX.url"	IMG-pic 0699821.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

IMG-pic 0699821.exeIMG-pic 0699821.exechkdsk.exe

description	pid	process	target process
PID 2352 set thread context of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1120 set thread context of 3064	1120	IMG-pic 0699821.exe	Explorer.EXE
PID 2340 set thread context of 3064	2340	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 56 IoCs

Processes:

IMG-pic 0699821.exechkdsk.exe

pid	process
1120	IMG-pic 0699821.exe
1120	IMG-pic 0699821.exe
1120	IMG-pic 0699821.exe
1120	IMG-pic 0699821.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe
2340	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

IMG-pic 0699821.exechkdsk.exe

pid process

1120 IMG-pic 0699821.exe
1120 IMG-pic 0699821.exe
1120 IMG-pic 0699821.exe
2340 chkdsk.exe
2340 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG-pic 0699821.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1120 IMG-pic 0699821.exe
Token: SeDebugPrivilege 2340 chkdsk.exe

pid	process
3064	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1120	IMG-pic 0699821.exe
Token: SeDebugPrivilege	2340	chkdsk.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG-pic 0699821.exeExplorer.EXE

description	pid	process	target process
PID 2352 wrote to memory of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2352 wrote to memory of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2352 wrote to memory of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2352 wrote to memory of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2352 wrote to memory of 1120	2352	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 3064 wrote to memory of 2340	3064	Explorer.EXE	chkdsk.exe
PID 3064 wrote to memory of 2340	3064	Explorer.EXE	chkdsk.exe
PID 3064 wrote to memory of 2340	3064	Explorer.EXE	chkdsk.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3064

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:2352

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:1120

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
PID:2340

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1120-122-0x00000000005E0000-0x00000000005F1000-memory.dmp

Filesize
68KB

Download
memory/1120-118-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1120-119-0x000000000041D410-mapping.dmp

Download
memory/1120-120-0x0000000000AB0000-0x0000000000DD0000-memory.dmp

Filesize
3.1MB

Download
memory/2340-124-0x0000000000000000-mapping.dmp

Download
memory/2340-125-0x0000000000A80000-0x0000000000A8A000-memory.dmp

Filesize
40KB

Download
memory/2340-127-0x0000000005450000-0x0000000005770000-memory.dmp

Filesize
3.1MB

Download
memory/2340-126-0x00000000009A0000-0x00000000009C9000-memory.dmp

Filesize
164KB

Download
memory/2340-128-0x0000000005220000-0x00000000052B0000-memory.dmp

Filesize
576KB

Download
memory/2352-117-0x00000000023E1000-0x00000000023F5000-memory.dmp

Filesize
80KB

Download
memory/2352-116-0x0000000000670000-0x0000000000693000-memory.dmp

Filesize
140KB

Download
memory/3064-123-0x0000000002620000-0x00000000026DD000-memory.dmp

Filesize
756KB

Download
memory/3064-129-0x0000000005E20000-0x0000000005F65000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads