formbook | ee3971f3a905a7bd6126d3d02e0ecaa71bbe41136d3faa0680eec42a4cf20af9

General

Target

STATEMENT OF ACCOUNT.exe
Size

332KB
MD5

ee68d3b0f702077810bddec50179f75d
SHA1

e84957da433e6df765486f71391edf69f882f50a
SHA256

ee3971f3a905a7bd6126d3d02e0ecaa71bbe41136d3faa0680eec42a4cf20af9
SHA512

957eeeef26c139874fc7983078872b491f534ccc447f98d920ac43d11df7b36ffd3cfa1519fb178d6d103a04237b31f4cd5523cedbea778095a93fc0343cebe4

Score

10^/10

spyware evasion trojan stealer formbook persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

STATEMENT OF ACCOUNT.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1232 wrote to memory of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1348 wrote to memory of 1460	1348	Explorer.EXE	wlanext.exe
PID 1348 wrote to memory of 1460	1348	Explorer.EXE	wlanext.exe
PID 1348 wrote to memory of 1460	1348	Explorer.EXE	wlanext.exe
PID 1348 wrote to memory of 1460	1348	Explorer.EXE	wlanext.exe
PID 1460 wrote to memory of 744	1460	wlanext.exe	cmd.exe
PID 1460 wrote to memory of 744	1460	wlanext.exe	cmd.exe
PID 1460 wrote to memory of 744	1460	wlanext.exe	cmd.exe
PID 1460 wrote to memory of 744	1460	wlanext.exe	cmd.exe
PID 1460 wrote to memory of 1280	1460	wlanext.exe	Firefox.exe
PID 1460 wrote to memory of 1280	1460	wlanext.exe	Firefox.exe
PID 1460 wrote to memory of 1280	1460	wlanext.exe	Firefox.exe
PID 1460 wrote to memory of 1280	1460	wlanext.exe	Firefox.exe
PID 1460 wrote to memory of 1280	1460	wlanext.exe	Firefox.exe

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-910373003-3952921535-3480519689-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1348 Explorer.EXE
1348 Explorer.EXE
1348 Explorer.EXE
1348 Explorer.EXE
1348 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1348 Explorer.EXE
1348 Explorer.EXE
1348 Explorer.EXE
1348 Explorer.EXE
Drops startup file 1 IoCs

Processes:

STATEMENT OF ACCOUNT.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe STATEMENT OF ACCOUNT.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

STATEMENT OF ACCOUNT.exeRegAsm.exewlanext.exe

pid process

1232 STATEMENT OF ACCOUNT.exe
1420 RegAsm.exe
1420 RegAsm.exe
1420 RegAsm.exe
1460 wlanext.exe
1460 wlanext.exe
1460 wlanext.exe
1460 wlanext.exe

pid	process
1348	Explorer.EXE
1348	Explorer.EXE
1348	Explorer.EXE
1348	Explorer.EXE
1348	Explorer.EXE

pid	process
1348	Explorer.EXE
1348	Explorer.EXE
1348	Explorer.EXE
1348	Explorer.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe	STATEMENT OF ACCOUNT.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

pid	process
1232	STATEMENT OF ACCOUNT.exe
1420	RegAsm.exe
1420	RegAsm.exe
1420	RegAsm.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

RegAsm.exewlanext.exe

pid	process
1420	RegAsm.exe
1420	RegAsm.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe
1460	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1420 RegAsm.exe
Token: SeDebugPrivilege 1460 wlanext.exe
Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\W2d4\vgak6g4cfw.exe wlanext.exe

description	pid	process
Token: SeDebugPrivilege	1420	RegAsm.exe
Token: SeDebugPrivilege	1460	wlanext.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\W2d4\vgak6g4cfw.exe	wlanext.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

STATEMENT OF ACCOUNT.exeRegAsm.exewlanext.exe

description	pid	process	target process
PID 1232 set thread context of 1420	1232	STATEMENT OF ACCOUNT.exe	RegAsm.exe
PID 1420 set thread context of 1348	1420	RegAsm.exe	Explorer.EXE
PID 1460 set thread context of 1348	1460	wlanext.exe	Explorer.EXE

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run entry 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\8PTXHFWXGV = "C:\\Program Files (x86)\\W2d4\\vgak6g4cfw.exe"	wlanext.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Checks whether UAC is enabled
PID:1348

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Drops startup file
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
PID:1232

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
PID:1420

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Modifies Internet Explorer settings
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Drops file in Program Files directory
- Suspicious use of SetThreadContext
- Adds Run entry to start application
PID:1460

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:744

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1280

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logim.jpeg

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C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logrf.ini

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C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logri.ini

Download Submit
C:\Users\Admin\AppData\Roaming\5K-1P89C\5K-logrv.ini

Download Submit
memory/744-4-0x0000000000000000-mapping.dmp

Download
memory/1280-9-0x000000013FDA0000-0x000000013FE33000-memory.dmp

Filesize
588KB

Download
memory/1280-8-0x0000000000000000-mapping.dmp

Download
memory/1420-1-0x000000000041E380-mapping.dmp

Download
memory/1420-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1460-3-0x0000000000DB0000-0x0000000000DC6000-memory.dmp

Filesize
88KB

Download
memory/1460-7-0x0000000003950000-0x0000000003A7E000-memory.dmp

Filesize
1.2MB

Download
memory/1460-6-0x0000000077090000-0x00000000771EC000-memory.dmp

Filesize
1.4MB

Download
memory/1460-5-0x0000000002FA0000-0x0000000003133000-memory.dmp

Filesize
1.6MB

Download
memory/1460-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads