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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1828-118-0x000000000041D410-mapping.dmp	xloader
behavioral2/memory/1828-117-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3592-125-0x00000000005D0000-0x00000000005F9000-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.exemstsc.exe

description	pid	process	target process
PID 2492 set thread context of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 1828 set thread context of 3036	1828	IMG-pic 0699821.exe	Explorer.EXE
PID 3592 set thread context of 3036	3592	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

IMG-pic 0699821.exemstsc.exe

pid	process
1828	IMG-pic 0699821.exe
1828	IMG-pic 0699821.exe
1828	IMG-pic 0699821.exe
1828	IMG-pic 0699821.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe
3592	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3036 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

IMG-pic 0699821.exemstsc.exe

pid process

1828 IMG-pic 0699821.exe
1828 IMG-pic 0699821.exe
1828 IMG-pic 0699821.exe
3592 mstsc.exe
3592 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG-pic 0699821.exemstsc.exe

description pid process

Token: SeDebugPrivilege 1828 IMG-pic 0699821.exe
Token: SeDebugPrivilege 3592 mstsc.exe

pid	process
3036	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1828	IMG-pic 0699821.exe
Token: SeDebugPrivilege	3592	mstsc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG-pic 0699821.exeExplorer.EXE

description	pid	process	target process
PID 2492 wrote to memory of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2492 wrote to memory of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2492 wrote to memory of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2492 wrote to memory of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 2492 wrote to memory of 1828	2492	IMG-pic 0699821.exe	IMG-pic 0699821.exe
PID 3036 wrote to memory of 3592	3036	Explorer.EXE	mstsc.exe
PID 3036 wrote to memory of 3592	3036	Explorer.EXE	mstsc.exe
PID 3036 wrote to memory of 3592	3036	Explorer.EXE	mstsc.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3036

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:2492

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:1828

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3592

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/1828-121-0x0000000000E70000-0x0000000000E81000-memory.dmp

Filesize
68KB

Download
memory/1828-118-0x000000000041D410-mapping.dmp

Download
memory/1828-117-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1828-120-0x0000000000960000-0x0000000000C80000-memory.dmp

Filesize
3.1MB

Download
memory/2492-116-0x00000000022A1000-0x00000000022B5000-memory.dmp

Filesize
80KB

Download
memory/2492-115-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3036-122-0x0000000005C20000-0x0000000005D86000-memory.dmp

Filesize
1.4MB

Download
memory/3036-128-0x0000000002690000-0x0000000002779000-memory.dmp

Filesize
932KB

Download
memory/3592-123-0x0000000000000000-mapping.dmp

Download
memory/3592-124-0x0000000000DA0000-0x000000000109C000-memory.dmp

Filesize
3.0MB

Download
memory/3592-125-0x00000000005D0000-0x00000000005F9000-memory.dmp

Filesize
164KB

Download
memory/3592-126-0x0000000004630000-0x0000000004950000-memory.dmp

Filesize
3.1MB

Download
memory/3592-127-0x0000000004530000-0x00000000045C0000-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