formbook | 6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114

General

Target

mpa.exe
Size

260KB
MD5

44a6829e3ee6c5d98fccde99b502f7e2
SHA1

a64dce6694fc716860a52b367317efc095e46756
SHA256

6b80459293e1eae78fa4efafbc8ddae1fb2bdb73c35c0b1880fdb65d80a49114
SHA512

94a51cc57016387bc64107f4b159dd9bfb588fca597bbec9137e94ef832e2a1471a742bd20de3405f2c9cdf4b3b7436ac6889295ba424d678236232d148c26cd

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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4928-133-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3084-141-0x0000000000490000-0x00000000004BB000-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:

raserver.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WXJDN = "C:\\Program Files (x86)\\Pqtfp\\qvtfpx.exe"	raserver.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 3 IoCs

Processes:

mpa.exevbc.exeraserver.exe

description	pid	process	target process
PID 5096 set thread context of 4928	5096	mpa.exe	vbc.exe
PID 4928 set thread context of 372	4928	vbc.exe	Explorer.EXE
PID 3084 set thread context of 372	3084	raserver.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

raserver.exe

description ioc process

File opened for modification C:\Program Files (x86)\Pqtfp\qvtfpx.exe raserver.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Pqtfp\qvtfpx.exe	raserver.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

vbc.exeraserver.exe

pid	process
4928	vbc.exe
4928	vbc.exe
4928	vbc.exe
4928	vbc.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe
3084	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

372 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.exeraserver.exe

pid process

4928 vbc.exe
4928 vbc.exe
4928 vbc.exe
3084 raserver.exe
3084 raserver.exe
3084 raserver.exe
3084 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exeraserver.exe

description pid process

Token: SeDebugPrivilege 4928 vbc.exe
Token: SeDebugPrivilege 3084 raserver.exe

pid	process
372	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4928	vbc.exe
Token: SeDebugPrivilege	3084	raserver.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

mpa.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 5096 wrote to memory of 4928	5096	mpa.exe	vbc.exe
PID 372 wrote to memory of 3084	372	Explorer.EXE	raserver.exe
PID 372 wrote to memory of 3084	372	Explorer.EXE	raserver.exe
PID 372 wrote to memory of 3084	372	Explorer.EXE	raserver.exe
PID 3084 wrote to memory of 4424	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 4424	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 4424	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 2368	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 2368	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 2368	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 3564	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 3564	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 3564	3084	raserver.exe	cmd.exe
PID 3084 wrote to memory of 2084	3084	raserver.exe	Firefox.exe
PID 3084 wrote to memory of 2084	3084	raserver.exe	Firefox.exe
PID 3084 wrote to memory of 2084	3084	raserver.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\mpa.exe
"C:\Users\Admin\AppData\Local\Temp\mpa.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5096

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
PID:4928

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- 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
PID:3084

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:4424

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2368

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3564

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2084

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

2

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

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

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memory/372-144-0x0000000008550000-0x0000000008676000-memory.dmp

Filesize
1.1MB

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memory/372-137-0x0000000008B00000-0x0000000008CA4000-memory.dmp

Filesize
1.6MB

Download
memory/2368-145-0x0000000000000000-mapping.dmp

Download
memory/3084-141-0x0000000000490000-0x00000000004BB000-memory.dmp

Filesize
172KB

Download
memory/3084-138-0x0000000000000000-mapping.dmp

Download
memory/3084-143-0x0000000002A10000-0x0000000002AA0000-memory.dmp

Filesize
576KB

Download
memory/3084-140-0x0000000000420000-0x000000000043F000-memory.dmp

Filesize
124KB

Download
memory/3084-142-0x00000000026C0000-0x0000000002A0A000-memory.dmp

Filesize
3.3MB

Download
memory/3564-147-0x0000000000000000-mapping.dmp

Download
memory/4424-139-0x0000000000000000-mapping.dmp

Download
memory/4928-136-0x0000000000DC0000-0x0000000000DD1000-memory.dmp

Filesize
68KB

Download
memory/4928-135-0x0000000001230000-0x000000000157A000-memory.dmp

Filesize
3.3MB

Download
memory/4928-133-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4928-132-0x0000000000000000-mapping.dmp

Download
memory/5096-130-0x0000000000640000-0x0000000000686000-memory.dmp

Filesize
280KB

Download
memory/5096-131-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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