xloader | eeae09d50e42da395681151c3de21e56aa732236cf7a8be2ef7cded10827eed2

General

Target

Original Scan_Doc Ref 28538013241899233.exe
Size

912KB
MD5

6fb08a5130cdfc1ba7da0133a916733c
SHA1

4c781c859da4a76de1e8c942b4d712c37fb8ca72
SHA256

18421819d1c37b2be9b6ce90781a538e28f1238486a2f3d60ef682e0fb80f529
SHA512

5572042fab4d2d8d88bb42745ffc33da8af5c9b763cbd8a8a2d50442b46db6b120a79f2cc7c47bbabf10aaff4a7de97251ea3f7148e2d8c1bf0ad90917cbf4fc

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
behavioral1/memory/692-57-0x000000000041D410-mapping.dmp	xloader
behavioral1/memory/692-56-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1580-65-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Blocklisted process makes network request 2 IoCs

Processes:

msiexec.exe

flow pid process

13 1580 msiexec.exe
33 1580 msiexec.exe

flow	pid	process
13	1580	msiexec.exe
33	1580	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Original Scan_Doc Ref 28538013241899233.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Whwpmnj = "C:\\Users\\Public\\Libraries\\jnmpwhW.url"	Original Scan_Doc Ref 28538013241899233.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Original Scan_Doc Ref 28538013241899233.exeOriginal Scan_Doc Ref 28538013241899233.exemsiexec.exe

description	pid	process	target process
PID 2008 set thread context of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 692 set thread context of 1392	692	Original Scan_Doc Ref 28538013241899233.exe	Explorer.EXE
PID 1580 set thread context of 1392	1580	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Original Scan_Doc Ref 28538013241899233.exemsiexec.exe

pid	process
692	Original Scan_Doc Ref 28538013241899233.exe
692	Original Scan_Doc Ref 28538013241899233.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe
1580	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1392 Explorer.EXE

pid	process
1392	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Original Scan_Doc Ref 28538013241899233.exemsiexec.exe

pid	process
692	Original Scan_Doc Ref 28538013241899233.exe
692	Original Scan_Doc Ref 28538013241899233.exe
692	Original Scan_Doc Ref 28538013241899233.exe
1580	msiexec.exe
1580	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Original Scan_Doc Ref 28538013241899233.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 692 Original Scan_Doc Ref 28538013241899233.exe
Token: SeDebugPrivilege 1580 msiexec.exe

description	pid	process
Token: SeDebugPrivilege	692	Original Scan_Doc Ref 28538013241899233.exe
Token: SeDebugPrivilege	1580	msiexec.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Original Scan_Doc Ref 28538013241899233.exeExplorer.EXE

description	pid	process	target process
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 2008 wrote to memory of 692	2008	Original Scan_Doc Ref 28538013241899233.exe	Original Scan_Doc Ref 28538013241899233.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe
PID 1392 wrote to memory of 1580	1392	Explorer.EXE	msiexec.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe
"C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe
"C:\Users\Admin\AppData\Local\Temp\Original Scan_Doc Ref 28538013241899233.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:692

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1580

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

Loading Replay Monitor...

Downloads

memory/692-58-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/692-59-0x00000000006E0000-0x00000000006F1000-memory.dmp

Filesize
68KB

Download
memory/692-57-0x000000000041D410-mapping.dmp

Download
memory/692-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1392-60-0x00000000068A0000-0x00000000069D5000-memory.dmp

Filesize
1.2MB

Download
memory/1392-67-0x00000000069E0000-0x0000000006AAB000-memory.dmp

Filesize
812KB

Download
memory/1580-61-0x0000000000000000-mapping.dmp

Download
memory/1580-63-0x0000000000D00000-0x0000000000D14000-memory.dmp

Filesize
80KB

Download
memory/1580-64-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3.0MB

Download
memory/1580-65-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1580-66-0x0000000000BB0000-0x0000000000C40000-memory.dmp

Filesize
576KB

Download
memory/2008-55-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2008-54-0x0000000075FA1000-0x0000000075FA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads