xloader | 4daead502dfca41fa6e5789eb458e5bc60ed7da6c8af2229596e1e0697f50701

General

Target

vbc.exe
Size

1.0MB
MD5

9c57cf589c6ff051d2aec2bbaf515dfb
SHA1

846b8e1244b7a7e2cbddbd837c77708b6bb0bb32
SHA256

4daead502dfca41fa6e5789eb458e5bc60ed7da6c8af2229596e1e0697f50701
SHA512

2947df318501ce13e7b99cf65fc0f18db3086f6ac97727831ffdb253a28fdce3ce10d1d1998b80423d313ae5d375ad2f65ff9b3741774e2a3632de7862364a0e

Score

10^/10

xloader arh2 loader persistence rat suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

arh2

Decoy

hstorc.com

blackountry.com

dhrbakery.com

dezhouofit.com

defipayout.xyz

ginas4t.com

byzbh63.xyz

qrcrashview.com

mialibaby.com

enhaut.net

samainnova.com

yashveerresort.com

delfos.online

dungcumay.com

lj-counseling.net

fliptheswitch.pro

padogbitelawyer.com

aticarev.com

sederino.site

bestplansforpets-japan3.life

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/3856-137-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/3856-142-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/3568-148-0x0000000000A90000-0x0000000000ABB000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

NETSTAT.EXE

description ioc process

Key created \Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run NETSTAT.EXE

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	NETSTAT.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exeshrpubw.exeNETSTAT.EXE

description	pid	process	target process
PID 4840 set thread context of 3856	4840	vbc.exe	shrpubw.exe
PID 3856 set thread context of 3116	3856	shrpubw.exe	Explorer.EXE
PID 3856 set thread context of 3116	3856	shrpubw.exe	Explorer.EXE
PID 3568 set thread context of 3116	3568	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NETSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\Hgbclr2o\qv1twz8tsndh.exe NETSTAT.EXE
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

3568 NETSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Hgbclr2o\qv1twz8tsndh.exe	NETSTAT.EXE

pid	process
3568	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

vbc.exeshrpubw.exeNETSTAT.EXE

pid	process
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
4840	vbc.exe
3856	shrpubw.exe
3856	shrpubw.exe
3856	shrpubw.exe
3856	shrpubw.exe
4840	vbc.exe
4840	vbc.exe
3856	shrpubw.exe
3856	shrpubw.exe
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE
3568	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3116 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

shrpubw.exeNETSTAT.EXE

pid process

3856 shrpubw.exe
3856 shrpubw.exe
3856 shrpubw.exe
3856 shrpubw.exe
3568 NETSTAT.EXE
3568 NETSTAT.EXE

pid	process
3116	Explorer.EXE

pid	process
3856	shrpubw.exe
3856	shrpubw.exe
3856	shrpubw.exe
3856	shrpubw.exe
3568	NETSTAT.EXE
3568	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

vbc.exeshrpubw.exeExplorer.EXENETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	4840	vbc.exe
Token: SeDebugPrivilege	3856	shrpubw.exe
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE
Token: SeShutdownPrivilege	3116	Explorer.EXE
Token: SeCreatePagefilePrivilege	3116	Explorer.EXE
Token: SeDebugPrivilege	3568	NETSTAT.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

vbc.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 4840 wrote to memory of 3856	4840	vbc.exe	shrpubw.exe
PID 3116 wrote to memory of 3568	3116	Explorer.EXE	NETSTAT.EXE
PID 3116 wrote to memory of 3568	3116	Explorer.EXE	NETSTAT.EXE
PID 3116 wrote to memory of 3568	3116	Explorer.EXE	NETSTAT.EXE
PID 3568 wrote to memory of 2824	3568	NETSTAT.EXE	cmd.exe
PID 3568 wrote to memory of 2824	3568	NETSTAT.EXE	cmd.exe
PID 3568 wrote to memory of 2824	3568	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\SysWOW64\shrpubw.exe
"C:\Windows\SysWOW64\shrpubw.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3856

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3568

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\shrpubw.exe"
3⤵
PID:2824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

Scripting

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2824-146-0x0000000000000000-mapping.dmp

Download
memory/3116-141-0x00000000028C0000-0x000000000298D000-memory.dmp

Filesize
820KB

Download
memory/3116-144-0x0000000002990000-0x0000000002AED000-memory.dmp

Filesize
1.4MB

Download
memory/3116-151-0x0000000002E90000-0x0000000002F2C000-memory.dmp

Filesize
624KB

Download
memory/3568-145-0x0000000000000000-mapping.dmp

Download
memory/3568-147-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/3568-148-0x0000000000A90000-0x0000000000ABB000-memory.dmp

Filesize
172KB

Download
memory/3568-149-0x00000000011F0000-0x000000000153A000-memory.dmp

Filesize
3.3MB

Download
memory/3568-150-0x00000000010D0000-0x0000000001160000-memory.dmp

Filesize
576KB

Download
memory/3856-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3856-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3856-139-0x0000000001430000-0x000000000177A000-memory.dmp

Filesize
3.3MB

Download
memory/3856-143-0x0000000000DB0000-0x0000000000DC1000-memory.dmp

Filesize
68KB

Download
memory/3856-136-0x0000000000000000-mapping.dmp

Download
memory/3856-140-0x0000000000D40000-0x0000000000D51000-memory.dmp

Filesize
68KB

Download
memory/4840-134-0x0000000008E00000-0x0000000008E76000-memory.dmp

Filesize
472KB

Download
memory/4840-132-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/4840-131-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/4840-135-0x0000000008ED0000-0x0000000008EEE000-memory.dmp

Filesize
120KB

Download
memory/4840-130-0x0000000000840000-0x0000000000950000-memory.dmp

Filesize
1.1MB

Download
memory/4840-133-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads