formbook | df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c

General

Target

INQNEW~0.exe
Size

276KB
MD5

ebb0fecde4a2e88c63c27c82810113b5
SHA1

c5658bec21ea4dfe2d0a66089d2d18bf081c778f
SHA256

df1b0eef4f32a5c2527691175375962957db71bc913d37f6e71150e599b2b31c
SHA512

05960c717d5f30ca5b1424a3a2806c2a7a00b6ec4a3949bdb7db4d7f5fd885119cf18cbb752537ddcb7bc277ecf683d060c40baee3ac6bdb6f76cb5a50598ad8

Score

10^/10

formbook xloader be4o loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

be4o

Decoy

laboratoriobioixcha.com

tictocperushop.online

wild-oceans.com

belaruscountry.com

kicktmall.com

fitcoinweb.tech

mores.one

gogear.one

gxrcksy.com

samrcq.com

impossible-icecream.com

bravesxx.com

bookchainart.com

sleepsolutionsofmboro.com

ocbrazilbusinessclub.com

advisor76.xyz

xitaotech.com

mgsdtytifgf3414.xyz

johnson-brown.net

cr3drt.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2024-59-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2024-60-0x000000000041F270-mapping.dmp	xloader
behavioral1/memory/2024-65-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/1720-70-0x0000000000070000-0x000000000009B000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\MBDX6TP8O = "C:\\Program Files (x86)\\U7nddpld\\regsvc1be.exe"	wscript.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

Processes:

INQNEW~0.exevbc.exewscript.exe

description	pid	process	target process
PID 2020 set thread context of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2024 set thread context of 1300	2024	vbc.exe	Explorer.EXE
PID 2024 set thread context of 1300	2024	vbc.exe	Explorer.EXE
PID 1720 set thread context of 1300	1720	wscript.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wscript.exe

description ioc process

File opened for modification C:\Program Files (x86)\U7nddpld\regsvc1be.exe wscript.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\U7nddpld\regsvc1be.exe	wscript.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

vbc.exewscript.exe

pid	process
2024	vbc.exe
2024	vbc.exe
2024	vbc.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe
1720	wscript.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

vbc.exewscript.exe

pid process

2024 vbc.exe
2024 vbc.exe
2024 vbc.exe
2024 vbc.exe
1720 wscript.exe
1720 wscript.exe
1720 wscript.exe
1720 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exewscript.exe

description pid process

Token: SeDebugPrivilege 2024 vbc.exe
Token: SeDebugPrivilege 1720 wscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2024	vbc.exe
Token: SeDebugPrivilege	1720	wscript.exe

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

INQNEW~0.exevbc.exewscript.exe

description	pid	process	target process
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2020 wrote to memory of 2024	2020	INQNEW~0.exe	vbc.exe
PID 2024 wrote to memory of 1720	2024	vbc.exe	wscript.exe
PID 2024 wrote to memory of 1720	2024	vbc.exe	wscript.exe
PID 2024 wrote to memory of 1720	2024	vbc.exe	wscript.exe
PID 2024 wrote to memory of 1720	2024	vbc.exe	wscript.exe
PID 1720 wrote to memory of 1648	1720	wscript.exe	cmd.exe
PID 1720 wrote to memory of 1648	1720	wscript.exe	cmd.exe
PID 1720 wrote to memory of 1648	1720	wscript.exe	cmd.exe
PID 1720 wrote to memory of 1648	1720	wscript.exe	cmd.exe
PID 1720 wrote to memory of 1884	1720	wscript.exe	Firefox.exe
PID 1720 wrote to memory of 1884	1720	wscript.exe	Firefox.exe
PID 1720 wrote to memory of 1884	1720	wscript.exe	Firefox.exe
PID 1720 wrote to memory of 1884	1720	wscript.exe	Firefox.exe
PID 1720 wrote to memory of 1884	1720	wscript.exe	Firefox.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer wscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	wscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1300

C:\Users\Admin\AppData\Local\Temp\INQNEW~0.exe
"C:\Users\Admin\AppData\Local\Temp\INQNEW~0.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
4⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1720

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
5⤵
PID:1648

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
5⤵
PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Scripting

1

T1064

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1300-64-0x00000000044A0000-0x000000000458E000-memory.dmp

Filesize
952KB

Download
memory/1300-75-0x0000000006220000-0x000000000636E000-memory.dmp

Filesize
1.3MB

Download
memory/1300-67-0x0000000005F90000-0x000000000607F000-memory.dmp

Filesize
956KB

Download
memory/1648-71-0x0000000000000000-mapping.dmp

Download
memory/1720-68-0x0000000000000000-mapping.dmp

Download
memory/1720-74-0x0000000001EE0000-0x0000000001F70000-memory.dmp

Filesize
576KB

Download
memory/1720-72-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/1720-70-0x0000000000070000-0x000000000009B000-memory.dmp

Filesize
172KB

Download
memory/1720-69-0x0000000000AB0000-0x0000000000AD6000-memory.dmp

Filesize
152KB

Download
memory/2020-54-0x00000000013C0000-0x000000000140A000-memory.dmp

Filesize
296KB

Download
memory/2020-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

Download
memory/2024-59-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2024-57-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2024-66-0x00000000002D0000-0x00000000002E1000-memory.dmp

Filesize
68KB

Download
memory/2024-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2024-56-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2024-60-0x000000000041F270-mapping.dmp

Download
memory/2024-63-0x0000000000280000-0x0000000000291000-memory.dmp

Filesize
68KB

Download
memory/2024-62-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads