formbook | 87ad8520f278359ec2d233f63e18b0d3bbf94824fd9392c87ebf86214827cb5d

General

Target

Payment Advice.exe
Size

465KB
MD5

8fd1c8220848296150359907a2f6c6a4
SHA1

6f091b491eb980efb9608a7025ec53d62c6de75b
SHA256

87ad8520f278359ec2d233f63e18b0d3bbf94824fd9392c87ebf86214827cb5d
SHA512

788055f8648d9c8b935c062cbc4eec8271167f95b5cf4b5361478087fe50f0605115c5ff60b0d5946ecbf630cbfe9fa8807518a241c2ff2d06dbbe7f6b53397c

Score

10^/10

formbook xloader a8hq loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/800-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/800-140-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/5036-146-0x00000000001B0000-0x00000000001DB000-memory.dmp	xloader
behavioral2/memory/5036-151-0x00000000001B0000-0x00000000001DB000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

mbxx8pxdqt.exe

pid process

536 mbxx8pxdqt.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

pid	process
536	mbxx8pxdqt.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JDD01NW8J6 = "C:\\Program Files (x86)\\Enfh\\mbxx8pxdqt.exe"	wlanext.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment Advice.exePayment Advice.exewlanext.exe

description	pid	process	target process
PID 1564 set thread context of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 800 set thread context of 424	800	Payment Advice.exe	Explorer.EXE
PID 5036 set thread context of 424	5036	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEwlanext.exe

description	ioc	process
File created	C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe	wlanext.exe
File opened for modification	C:\Program Files (x86)\Enfh	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

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

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

Payment Advice.exePayment Advice.exewlanext.exe

pid	process
1564	Payment Advice.exe
1564	Payment Advice.exe
800	Payment Advice.exe
800	Payment Advice.exe
800	Payment Advice.exe
800	Payment Advice.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

424 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Payment Advice.exewlanext.exe

pid process

800 Payment Advice.exe
800 Payment Advice.exe
800 Payment Advice.exe
5036 wlanext.exe
5036 wlanext.exe
5036 wlanext.exe
5036 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment Advice.exePayment Advice.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1564 Payment Advice.exe
Token: SeDebugPrivilege 800 Payment Advice.exe
Token: SeDebugPrivilege 5036 wlanext.exe

pid	process
424	Explorer.EXE

pid	process
800	Payment Advice.exe
800	Payment Advice.exe
800	Payment Advice.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe
5036	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	1564	Payment Advice.exe
Token: SeDebugPrivilege	800	Payment Advice.exe
Token: SeDebugPrivilege	5036	wlanext.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Payment Advice.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1564 wrote to memory of 4328	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 4328	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 4328	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 1564 wrote to memory of 800	1564	Payment Advice.exe	Payment Advice.exe
PID 424 wrote to memory of 5036	424	Explorer.EXE	wlanext.exe
PID 424 wrote to memory of 5036	424	Explorer.EXE	wlanext.exe
PID 424 wrote to memory of 5036	424	Explorer.EXE	wlanext.exe
PID 5036 wrote to memory of 1268	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 1268	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 1268	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4152	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4152	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4152	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4424	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4424	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 4424	5036	wlanext.exe	cmd.exe
PID 5036 wrote to memory of 3620	5036	wlanext.exe	Firefox.exe
PID 5036 wrote to memory of 3620	5036	wlanext.exe	Firefox.exe
PID 5036 wrote to memory of 3620	5036	wlanext.exe	Firefox.exe
PID 424 wrote to memory of 536	424	Explorer.EXE	mbxx8pxdqt.exe
PID 424 wrote to memory of 536	424	Explorer.EXE	mbxx8pxdqt.exe
PID 424 wrote to memory of 536	424	Explorer.EXE	mbxx8pxdqt.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:424

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"{path}"
3⤵
PID:4328

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Adds 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:5036

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
3⤵
PID:1268

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:4152

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:4424

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3620

C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe
"C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe"
2⤵
- Executes dropped EXE
PID:536

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

2

T1112

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:\Program Files (x86)\Enfh\mbxx8pxdqt.exe
Filesize
465KB

MD5
8fd1c8220848296150359907a2f6c6a4

SHA1
6f091b491eb980efb9608a7025ec53d62c6de75b

SHA256
87ad8520f278359ec2d233f63e18b0d3bbf94824fd9392c87ebf86214827cb5d

SHA512
788055f8648d9c8b935c062cbc4eec8271167f95b5cf4b5361478087fe50f0605115c5ff60b0d5946ecbf630cbfe9fa8807518a241c2ff2d06dbbe7f6b53397c

Download Submit
C:\Program Files (x86)\Enfh\mbxx8pxdqt.exe
Filesize
465KB

MD5
8fd1c8220848296150359907a2f6c6a4

SHA1
6f091b491eb980efb9608a7025ec53d62c6de75b

SHA256
87ad8520f278359ec2d233f63e18b0d3bbf94824fd9392c87ebf86214827cb5d

SHA512
788055f8648d9c8b935c062cbc4eec8271167f95b5cf4b5361478087fe50f0605115c5ff60b0d5946ecbf630cbfe9fa8807518a241c2ff2d06dbbe7f6b53397c

Download Submit
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

Download Submit
memory/424-143-0x0000000002BB0000-0x0000000002C72000-memory.dmp

Filesize
776KB

Download
memory/424-152-0x0000000007FE0000-0x00000000080D2000-memory.dmp

Filesize
968KB

Download
memory/424-150-0x0000000007FE0000-0x00000000080D2000-memory.dmp

Filesize
968KB

Download
memory/536-157-0x0000000000000000-mapping.dmp

Download
memory/800-137-0x0000000000000000-mapping.dmp

Download
memory/800-140-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/800-141-0x0000000001B10000-0x0000000001E5A000-memory.dmp

Filesize
3.3MB

Download
memory/800-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/800-142-0x0000000001A80000-0x0000000001A91000-memory.dmp

Filesize
68KB

Download
memory/1268-147-0x0000000000000000-mapping.dmp

Download
memory/1564-131-0x0000000005100000-0x000000000519C000-memory.dmp

Filesize
624KB

Download
memory/1564-132-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/1564-133-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/1564-134-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/1564-130-0x0000000000810000-0x000000000088A000-memory.dmp

Filesize
488KB

Download
memory/1564-135-0x00000000053D0000-0x0000000005426000-memory.dmp

Filesize
344KB

Download
memory/4152-153-0x0000000000000000-mapping.dmp

Download
memory/4328-136-0x0000000000000000-mapping.dmp

Download
memory/4424-155-0x0000000000000000-mapping.dmp

Download
memory/5036-151-0x00000000001B0000-0x00000000001DB000-memory.dmp

Filesize
172KB

Download
memory/5036-149-0x00000000008F0000-0x0000000000980000-memory.dmp

Filesize
576KB

Download
memory/5036-148-0x0000000000D70000-0x00000000010BA000-memory.dmp

Filesize
3.3MB

Download
memory/5036-145-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/5036-146-0x00000000001B0000-0x00000000001DB000-memory.dmp

Filesize
172KB

Download
memory/5036-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads