xloader | 19b95be1b0c890804845c8c6e19cef972c89bfc8156201c3490f047ebfc42ed4

General

Target

Docs No-65224XXX [ORDER-2021].exe
Size

973KB
MD5

994a2d143c5619a11906c87244855858
SHA1

dc6c06fb2c1acf3164db514878209ec6aec95cac
SHA256

19b95be1b0c890804845c8c6e19cef972c89bfc8156201c3490f047ebfc42ed4
SHA512

271531df66b27cdc1e4f53774c820c186218d6c17a19387a47530a7b1910960e0d517150f88082ea3b03c9abb85f2ccfa9c8ca2d5e7864844179145b32e9b607

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1700-117-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1700-118-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/1700-123-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/420-128-0x0000000000600000-0x0000000000629000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Docs No-65224XXX [ORDER-2021].exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qzneds = "C:\\Users\\Public\\sdenzQ.url"	Docs No-65224XXX [ORDER-2021].exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Docs No-65224XXX [ORDER-2021].exeDocs No-65224XXX [ORDER-2021].exeraserver.exe

description	pid	process	target process
PID 3496 set thread context of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 1700 set thread context of 3028	1700	Docs No-65224XXX [ORDER-2021].exe	Explorer.EXE
PID 1700 set thread context of 3028	1700	Docs No-65224XXX [ORDER-2021].exe	Explorer.EXE
PID 420 set thread context of 3028	420	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

Docs No-65224XXX [ORDER-2021].exeraserver.exe

pid	process
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe
420	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3028 Explorer.EXE

pid	process
3028	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Docs No-65224XXX [ORDER-2021].exeraserver.exe

pid	process
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
1700	Docs No-65224XXX [ORDER-2021].exe
420	raserver.exe
420	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Docs No-65224XXX [ORDER-2021].exeraserver.exe

description pid process

Token: SeDebugPrivilege 1700 Docs No-65224XXX [ORDER-2021].exe
Token: SeDebugPrivilege 420 raserver.exe

description	pid	process
Token: SeDebugPrivilege	1700	Docs No-65224XXX [ORDER-2021].exe
Token: SeDebugPrivilege	420	raserver.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Docs No-65224XXX [ORDER-2021].exeExplorer.EXE

description	pid	process	target process
PID 3496 wrote to memory of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 3496 wrote to memory of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 3496 wrote to memory of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 3496 wrote to memory of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 3496 wrote to memory of 1700	3496	Docs No-65224XXX [ORDER-2021].exe	Docs No-65224XXX [ORDER-2021].exe
PID 3028 wrote to memory of 420	3028	Explorer.EXE	raserver.exe
PID 3028 wrote to memory of 420	3028	Explorer.EXE	raserver.exe
PID 3028 wrote to memory of 420	3028	Explorer.EXE	raserver.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe
"C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3496

C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe
"C:\Users\Admin\AppData\Local\Temp\Docs No-65224XXX [ORDER-2021].exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1700

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:420

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/420-126-0x0000000000000000-mapping.dmp

Download
memory/420-130-0x00000000010B0000-0x0000000001140000-memory.dmp

Filesize
576KB

Download
memory/420-129-0x00000000047F0000-0x0000000004B10000-memory.dmp

Filesize
3.1MB

Download
memory/420-127-0x00000000013D0000-0x00000000013EF000-memory.dmp

Filesize
124KB

Download
memory/420-128-0x0000000000600000-0x0000000000629000-memory.dmp

Filesize
164KB

Download
memory/1700-121-0x00000000009D0000-0x00000000009E1000-memory.dmp

Filesize
68KB

Download
memory/1700-123-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1700-124-0x0000000000E40000-0x0000000000E51000-memory.dmp

Filesize
68KB

Download
memory/1700-120-0x0000000000A10000-0x0000000000D30000-memory.dmp

Filesize
3.1MB

Download
memory/1700-118-0x000000000041D410-mapping.dmp

Download
memory/1700-117-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3028-122-0x0000000004D00000-0x0000000004E0B000-memory.dmp

Filesize
1.0MB

Download
memory/3028-125-0x0000000004E20000-0x0000000004F23000-memory.dmp

Filesize
1.0MB

Download
memory/3028-131-0x0000000006A70000-0x0000000006C00000-memory.dmp

Filesize
1.6MB

Download
memory/3496-115-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/3496-116-0x0000000000AB1000-0x0000000000AC5000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads