formbook | 976a06a6e0f8503df2f8b22cadde37e63f842aa7145da7f360418fcc890b8395

General

Target

Original Shipment Document.exe
Size

476KB
MD5

5acff997403b61e5588f11b45c7aca96
SHA1

1bbf2a3016e5cb97fe7de40b43c0d81784a68f2a
SHA256

976a06a6e0f8503df2f8b22cadde37e63f842aa7145da7f360418fcc890b8395
SHA512

95da7709bed3eab07f8b0cd2f3dd53a9101bfedeac30cce3800007e5cd646f2414f16accd0a9fc8d55d4705705487c07fb4de7d77ea280b2de18f23fb4bed830

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/220-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/220-142-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3964-145-0x00000000008A0000-0x00000000008CB000-memory.dmp	xloader
behavioral2/memory/3964-149-0x00000000008A0000-0x00000000008CB000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

winfrcl32yh.exe

pid process

3136 winfrcl32yh.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
3136	winfrcl32yh.exe

Adds 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\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HVLPKZIXZD = "C:\\Program Files (x86)\\Lp6f\\winfrcl32yh.exe"	raserver.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Original Shipment Document.exeOriginal Shipment Document.exeraserver.exe

description	pid	process	target process
PID 3768 set thread context of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 220 set thread context of 3004	220	Original Shipment Document.exe	Explorer.EXE
PID 3964 set thread context of 3004	3964	raserver.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEraserver.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lp6f\winfrcl32yh.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Lp6f\winfrcl32yh.exe	raserver.exe
File opened for modification	C:\Program Files (x86)\Lp6f	Explorer.EXE
File created	C:\Program Files (x86)\Lp6f\winfrcl32yh.exe	Explorer.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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

Original Shipment Document.exeraserver.exe

pid	process
220	Original Shipment Document.exe
220	Original Shipment Document.exe
220	Original Shipment Document.exe
220	Original Shipment Document.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3004 Explorer.EXE

pid	process
3004	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Original Shipment Document.exeraserver.exe

pid	process
220	Original Shipment Document.exe
220	Original Shipment Document.exe
220	Original Shipment Document.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe
3964	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Original Shipment Document.exeraserver.exe

description pid process

Token: SeDebugPrivilege 220 Original Shipment Document.exe
Token: SeDebugPrivilege 3964 raserver.exe

description	pid	process
Token: SeDebugPrivilege	220	Original Shipment Document.exe
Token: SeDebugPrivilege	3964	raserver.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Original Shipment Document.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3768 wrote to memory of 220	3768	Original Shipment Document.exe	Original Shipment Document.exe
PID 3004 wrote to memory of 3964	3004	Explorer.EXE	raserver.exe
PID 3004 wrote to memory of 3964	3004	Explorer.EXE	raserver.exe
PID 3004 wrote to memory of 3964	3004	Explorer.EXE	raserver.exe
PID 3964 wrote to memory of 5032	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 5032	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 5032	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 400	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 400	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 400	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 3980	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 3980	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 3980	3964	raserver.exe	cmd.exe
PID 3964 wrote to memory of 2268	3964	raserver.exe	Firefox.exe
PID 3964 wrote to memory of 2268	3964	raserver.exe	Firefox.exe
PID 3964 wrote to memory of 2268	3964	raserver.exe	Firefox.exe
PID 3004 wrote to memory of 3136	3004	Explorer.EXE	winfrcl32yh.exe
PID 3004 wrote to memory of 3136	3004	Explorer.EXE	winfrcl32yh.exe
PID 3004 wrote to memory of 3136	3004	Explorer.EXE	winfrcl32yh.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\Original Shipment Document.exe
"C:\Users\Admin\AppData\Local\Temp\Original Shipment Document.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3768

C:\Users\Admin\AppData\Local\Temp\Original Shipment Document.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:220

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.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:3964

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Original Shipment Document.exe"
3⤵
PID:5032

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:400

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:3980

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2268

C:\Program Files (x86)\Lp6f\winfrcl32yh.exe
"C:\Program Files (x86)\Lp6f\winfrcl32yh.exe"
2⤵
- Executes dropped EXE
PID:3136

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)\Lp6f\winfrcl32yh.exe
Filesize
476KB

MD5
5acff997403b61e5588f11b45c7aca96

SHA1
1bbf2a3016e5cb97fe7de40b43c0d81784a68f2a

SHA256
976a06a6e0f8503df2f8b22cadde37e63f842aa7145da7f360418fcc890b8395

SHA512
95da7709bed3eab07f8b0cd2f3dd53a9101bfedeac30cce3800007e5cd646f2414f16accd0a9fc8d55d4705705487c07fb4de7d77ea280b2de18f23fb4bed830

Download Submit
C:\Program Files (x86)\Lp6f\winfrcl32yh.exe
Filesize
476KB

MD5
5acff997403b61e5588f11b45c7aca96

SHA1
1bbf2a3016e5cb97fe7de40b43c0d81784a68f2a

SHA256
976a06a6e0f8503df2f8b22cadde37e63f842aa7145da7f360418fcc890b8395

SHA512
95da7709bed3eab07f8b0cd2f3dd53a9101bfedeac30cce3800007e5cd646f2414f16accd0a9fc8d55d4705705487c07fb4de7d77ea280b2de18f23fb4bed830

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/220-135-0x0000000000000000-mapping.dmp

Download
memory/220-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/220-138-0x0000000001380000-0x00000000016CA000-memory.dmp

Filesize
3.3MB

Download
memory/220-142-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/220-139-0x0000000000E00000-0x0000000000E11000-memory.dmp

Filesize
68KB

Download
memory/400-151-0x0000000000000000-mapping.dmp

Download
memory/3004-140-0x0000000002900000-0x0000000002A12000-memory.dmp

Filesize
1.1MB

Download
memory/3004-150-0x00000000080E0000-0x000000000820B000-memory.dmp

Filesize
1.2MB

Download
memory/3004-148-0x00000000080E0000-0x000000000820B000-memory.dmp

Filesize
1.2MB

Download
memory/3136-155-0x0000000000000000-mapping.dmp

Download
memory/3768-134-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/3768-133-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

Filesize
624KB

Download
memory/3768-132-0x0000000004CA0000-0x0000000004D32000-memory.dmp

Filesize
584KB

Download
memory/3768-131-0x0000000005340000-0x00000000058E4000-memory.dmp

Filesize
5.6MB

Download
memory/3768-130-0x00000000002A0000-0x000000000031E000-memory.dmp

Filesize
504KB

Download
memory/3964-149-0x00000000008A0000-0x00000000008CB000-memory.dmp

Filesize
172KB

Download
memory/3964-147-0x00000000025D0000-0x0000000002660000-memory.dmp

Filesize
576KB

Download
memory/3964-146-0x00000000028B0000-0x0000000002BFA000-memory.dmp

Filesize
3.3MB

Download
memory/3964-145-0x00000000008A0000-0x00000000008CB000-memory.dmp

Filesize
172KB

Download
memory/3964-144-0x0000000000450000-0x000000000046F000-memory.dmp

Filesize
124KB

Download
memory/3964-141-0x0000000000000000-mapping.dmp

Download
memory/3980-153-0x0000000000000000-mapping.dmp

Download
memory/5032-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads